Lt1 water pump replacement.

• Lt1 water pump replacement 1. The belt driven pump is the circulation pump. Nov 1, 2008 · LT1 Electric Water Pump - High Volts Low Temps Redux. For what you have the mechanical pump will be fine. BMR front and rear sway bars Hotchkis springs, CIA trans crossmember; 1. I went ahead and bought a new opti, plug wires, seals etc. It is available from several manufactures. Not compatible with factory vacuum pumps. If you want to save cash, it would seem sensible to If LT1 - rebuild waterpump. And now I need your advice and your great experience too! I have seen some videos on youtube about how to change water pump on LT1 engine, all of them shoewd this process like very simple, but I'm new to this and still have more questions. The instructions should start off with (remove engine from car) :smile: Feb 23, 2019 · A video describing the correct orientation of the water pump driveshaft coupler on a gen II LT1 engine, along with the reason why the orientation matters. 42s - PS Mid-length Headers - Hooker Catback - K/N CAI - LS1 Steering Rack/Shaft - UMI LCA - UMI Nov 27, 2019 · Also note that in 1971, Corvette water pumps went to a larger 3/4-inch diameter shaft. May 13, 2012 · LT1 Water Pump replacement 05-13-2012, 09:42 PM. Is it because mine might be erroded on the inside and/or is it just a good idea to replace it Dec 21, 2009 · ~4th Gen LT1 F-body Fastener Torque and Spec Matrix~ Fastener Application Water Pump Mounting Bolt 30 lb. Where is it? The opti is mounted on the front of the LT1, above the crank snout and behind the water pump. Is it possible to remove the hub from the end of the crankshaft while the engine is in the car and does May 13, 2011 · Remove the three screws from the air pump holding it to the bracket with a 10 mm deep well socket. This engine has 8,000 miles since its rebuild. Before assembling the coupling to the water pump, apply a light coat of grease to the seals and the splines. Thread Tools. Nov 17, 2007 · $904 later its fixed. 5 2. #1362 LT1 Water Pump Removal of Stock Water Pump Replace if necessary. One side hit the coil, the other was hidden behind the PS pump pulley and the front by Jun 6, 2018 · Large selection of marine raw water pumps, manifolds and other marine engine parts including carburetors and pumps. 6 7/16 rockers, patriot ultra gold extreme springs. Since the water pump is no longer belt driven, the vehicle will still be driveable even if the serpentine belt fails. Materials Required:-Sandpaper-1/4" drive 1/2" socket-O2 sensor socket-Factory coupler for water pump/water pump drive shaft-New timing cover seal for water pump drive shaft The LT1 / LT4 / L83 / L86 all have water pumps with pulleys that are off center. RIP-Brother Rat 1996 Formula LT1, M6,Eaton Posi, Moser Axles, 4. After getting everything together, I found that at temperature it would spray coolant everywhere, appearing to come from the passenger side water pump Apr 1, 2017 · I have replaced 4 water pumps and no need to remove the opti to replace the engine oil seal that is mounted on the engine , that drives the water pump. Once I got the water pump off, I found the bearing was out on the output shaft. Might be the transmission. Compare that to an L98 water pump which will run about 30-40 bucks. May 18, 2017 · Replace water pump on 1997 Camaro Z/28 or any LT1. Chevrolet Performance Water Pump Drive Seals. Mar 6, 2012 · It may be a good idea to order the seal behind the water pump and opti spark if your going to replace it. Jun 5, 2017 · I want to replace my water pump. mac and 65 Impala I got to what I thought was the bearing and the dealership sent me something entirely different. my question - where do the o-rings go? are they replacements for the water pump driveshaft coupling or what? I’ve got a 10k mile engine apart; The water pump drive shaft seals tend to leak oil and the water pumps don’t last long on higher mileage LT1s; I suspect it’s because the bearing in the pump itself is too small, or there is misalignment between the block and the pump on the dowels. New thick rubber gasket on my ac Delco unit from Summit racing. Remove the water pump gaskets. SKU WIK346. Looking for a replacement part you don’t see. It might be a good time to replace the cap and rotor though depending on mileage and condition. It ran fine for the hour drive so the opti seems OK at the moment. the water pump drive coupler requires a good cleaning and lube so it does not bind, if this is stuck , can damage the water pump. Started with draining the Dexcool and yes, I made a heck of a mess After I remove the basic; air ducts, disconnect all plugs it Jan 25, 2017 · ICT Billet Gen 5 LT - BOLT KIT ONLY Truck Camaro Water Pump Thermostat LT1 L83 L86 LV3 LT4 551374 ICT Billet Gen 5 LT - BOLT KIT ONLY Truck Camaro Water Pump Thermostat LT1 L83 L86 LV3 LT4 551374 . Additionally, water pumps as we know fail. The original head gaskets on the LT1 were wider and had holes that held the pushrods in place for assembly, but the replacement gaskets look a lot like the ones used on a regular 350. Model: 1032212 LT1 Electric Water Pump. Open 7 days a week from 9am - 7pm Eastern Time. You will find the fit, finish and function meets all GM specifications. Hopefully I can pull it out, I’m thinking about installing an electric water pump. 2L V8: Water Pumps - Amazon. Since I have to pull it out I figured I may as well replace the following: Pump (more later) Pump gaskets Pump O-ring Pump drive O-ring (on timing chain cover) Rad hoses Heater Nov 4, 2009 · C4 Tech/Performance - Replacement Optispark and Water pump install - Part 1 (includes pictures) - A little background story: A few month's back, my '92 developed a very strange hesitation problem which would show up a few seconds after the car started running - only to last a few seconds - then disappear all together. Will free flow 50GPM with its heavy-duty electric motor while only drawing 6 AMPS. Feb 23, 2010 · C4 General Discussion - LT1 Water Pump Options - 94 LT1/ZF6 106k miles Car has been in storage for about 3 months. 6 rrs,and lifters,cnc stock ported heads,Walbro 255,edelbrock ported air gap intake,58mm t/b,pacesetter Lts,Summit 2. We removed the thermostat, and it works fine, so it has to be the water May 31, 2007 · C4 Tech/Performance - 1992 lt1 water pump install questions - changing opti and water pump when replacing water pump is it ok to rtv both sides of the new gasket or is this not necessary also info on surface prep; fine wire wheel on drill to clean surface/brake cleaner to clean it any other ideas also i bought new Mar 20, 2022 · BH tuning, Transgo shift kit, Eaton posi W/ 3:73 gears, EDGE 9. Apr 13, 2011 · C4 Tech/Performance - Coolant temp sensor - LT1 - Can the sensor be removed without draining the coolant? It was suggested by someone to remove the radiator cap and squeeze the top radiator hose, then replace the cap. The drive assy and bearing is new 25k miles ago when the engine was rebuilt. At cold idle I get 40 psi At warm Idle I get 20psi and at wot a steady 50 to 60psi. The hose on the pump can be capped off. We have a local industrial bearing distributor in town where we can get most replacement bearings and seals if we have Aug 18, 2010 · I replaced my oil pump with an m55hv and I couldnt be happier with it. Feb 29, 2016 · Once the six bolts are removed, take the water pump off of the engine. 7L LT1 Water Pump Drive Shaft Coupler Compatible with Chevrolet Corvette 1992-1996, Impala SS 1992-1996 & Pontiac Firebird 1993-1997 & Buick Roadmaster 1994-1996, Replace# 10128334 LT1 Water Pump Seal Tool Water Pump Drive Seal 10217886 Installer for Chevrolet LT1 L99 May 7, 2006 · C4 Tech/Performance - HELP! LT1 Water Pump Drive Seal / Shaft - The seal is leaking, I got it out, and noticed that the water pump drive shaft can be moved a bit side-side. Remove the secondary air injection pump and bracket. Take care of all gaskets that are exposed (water pump,throttle body, timing cover, whatever) and also seals for water pump and opti at timing cover. Oct 10, 2007 · A-Premium 5. Needs to be plugged on the new one. And I did this entire procedure WITHOUT using oil or grease of any kind. Back when I replaced my waterpump on my 94 TA, it was $175. Would anyone recommend an REPLACEMENT PARTS; SUPERCHARGER . Nov 1, 2010 · The shell of the water pump will only need to be removed if the Opti-Spark or the front cover needs to be removed. I’ll have to install a new pan gasket. The reason is that the electric water pump turns at a constant rate, regardless of RPM. It'll make some improvement in your HP at high RPM. HOT ROD Staff Writer Nov 01, 2008. LT1 water pump drive shaft seal solution. The 93 Corvette water pump has a fitting on the front. Remove the water pump and gaskets. Dealers can charge upwards of $1200 to simple change a distributor. 1992-95 (C4) LT1 Water Pump Aug 28, 2024 · If you are swapping the water pump get a Meziere electric pump. New pump. Apr 16, 2014 · The coolant temp sensor that goes into the head is different than the one that goes into the water pump. Remove the electrical connector from the coolant sensor. Here a quick tech tip on how to correctly install a gm lt1 opti spark timing cover seal opti spark used in this build https://goo. The GM Optispark is an optically-triggered ignition distributor used on the LT1, LT4 and L99 engines. Replacement Seal Kit are available for BBC, SBC, LT1, Big Block Mopar, 5. Oct 19, 2004 · 4th Gen Optispark and Water pump Replacement Written by Robert (call me "Bob") Forney and Charles O'Toole, but mostly by Bob Here are the symptoms of a faulty opti-spark: * Car suddenly dies and won't restart * Starts but immediately dies * Extended cranking to start * Rough idle * May 9, 2012 · Here's my thinking At this point, as I assemble my 396, I need to buy the following (as relating to the water pump):-LT4 extreme duty timing set - appx. I also suggest the relay kit Meziere makes for their water pumps. 1994 Red T/A - 116,000 - Rebuilt Trans - 2200 Stall - 3. These parts are manufactured to meet fit, shape and function expectations, making them a smart choice for General Motors vehicles as well as most brands and models. I had to move it to its new home this weekend and noticed an 8 wet spot on the cement beneath the water pump area. 6 Full Roller Rockers, Trik Flow pushrods, LT4 timing set, Accel injectors, OBD1 conversion, CATS tuning software, Sep 30, 2012 · If the hose from the TB is connected to the water pump, their flow is actually bucking each other. The stock pump will flow more at high rpm than the electric water pump thus better cooling at high rpm. I have seen an LT1 engine with a belt driven fan. 5 x-pipe with dynomax bullets,march underdrive pulleys,gm opti,msd cap and rotor,Msd 6AL,Moore 10mm race wires,SLP line lock,SLP fan switch,aluminum D/S,Built 4l60e,TCI 3,000 stall,B Jan 8, 2011 · I did this few weeks ago- Since my rebuild, I had a small oil leak. 10 Gears CC305 Cam, Crane 10308-1 Valve Springs, Crane 11746 NSA 1. All SUPERCHARGER Black Chevy LT1 Mechanical Water Pump 1992-1997 This mechanical water pump is designed to have a natural pump Jan 18, 2008 · Great write-up Need your source for parts I have a highly modified LT1 pump in my 32 Ford, that needs a rebuild. I go through each step showing how to remove the water pum May 13, 2012 · LT1 Water Pump replacement 05-13-2012, 09:42 PM. IMPORTANT CAREFULLY READ THESE INSTRUCTIONS BEFORE INSTALLATION! CAUTION! NEVER REMOVE RADIATOR CAP WHEN ENGINE IS HOT! LT1 Water Pumps These water pumps are designed to fit the following applications: May 29, 2006 · C4 Tech/Performance - 93 LT1 Water Pump removal procedure needed - HELP! my water pump died on me and now I must replace it, question: dose anybody have any experences, step by step methods or the factory procedure for replacing a Water Pump on a LT1 engine? I will need all the above so your input will be greatly Thread: LT1 Water Pump Replacement. 3 auto,CAI,descreened maf,throttle restrictor delete,mobil 1 syn Mar 23, 2019 · Do any of you fellow forum members have any opinions, thoughts, ideas, or advice on what is the best replacement water pump to get for my 96 Impala ? I’m leaning towards the ACDelco Genuine Original OEM pump 251-255. Indmar Raw Water Pump fits man Ford and GM engines like std and HO 351, TBI, MCX, RTP, Predator, LQ9, LY6, 8. This results in a dramatically more reliable water pump that should easily last 100,000 miles or more. This is a fairly detailed repair should take you mechanic install the pump. I have done this a few times with success and not a single drip of oil has leaked fr May 11, 2024 · Buy LT1 Water Pump Seal Tool Water Pump Drive Seal 10217886 Installer for Chevrolet LT1 L99: Water Pumps - Amazon. Can anyone tell me if there are any tricks I need to look out for? I am going to replace the thermostat and the coolant and belt at the same time. That's commonly called a throttle body bypass and keeps the TB cooler. Also have a look at the intake manifold front and back for signs of oil leak there too, and if your replacing the opti, you might as well, since your there, replace the spark plug wires and spark plugs. Thanks! May 13, 2008 · The water pump to block match up is completely different; you cannot install a common small block water pump. The seal appears to actually have two seals; a front (tan) and a back (black). com FREE DELIVERY possible on eligible purchases This is part 2 for the Repair titled: "How to replace the Opti-Spark Distributor and Water Pump on a 4th Generation Firebird equipped with LT-1 Engine". Yes, it was/is from the infamous LT1 location. By machucam in forum External Engine Re: LT1 water pump bearing replacement 04-19-05 01:10 PM - Post# 675301 In response to D. Fit All 1992-1994 Except ZR1 Tech Tip: On 1992-1996 LT1 Corvettes, you must remove the water pump to service the OptiSpark Distributor. Includes gaskets. 17. It's always good practice to, at a minimum, remove disassemble clean reassemble and reinstall the optispark every time you do the water pump. Exact same pump only an inch and a half shorter. Here is a simple way to install the water pump shaft seal. Refer to Water Pump Cleaning and Inspection in Engine Mechanical - 5. If you have any installation questions, call our Tech Service personnel at 216-961-1800 from 7am to 4pm EST. I fixed it. Am I supposed to disconnect them? Should I stick the socket through the PS Jul 7, 2016 · With 197K mikes on the car I figured that the water pump was about due for failure. May 28, 2007 · Just a little lt1. From skidim, I ordered what I thought was the correct water pump specific for the LT1 Engine (Indmar Part #68-5020, S685020) but the flange holes do not line up with the mounting Oct 16, 2018 · New Aftermarket H J 39089 Installer Tool for Water Pump Drive Seal OEM quality aftermarket replacement part Compatible with Chevrolet Used in 1992-97 LT1 engine timing covers Used in 1994-1996 L99 engine timing covers Material: Aluminum Tool Only!! (Tool Can NOT be returned once they have been used. Jul 2, 2019 · Cool, thanks man. But if you removed your mechanical water pump and Apr 3, 2005 · C4 Tech/Performance - LT1 Water Pump Drive Seal Replacement - I need to know the best way to install the seal in the timing cover for the WP drive shaft. longtubes, 3 inch x pipe with no cats or mufflers, cc306, ls7 lifters, high tech pushrods, gm guide plates, cc ultra pro mag 1. I have a Meziere water pump on my 2006 GTO and enjoy it. Jan 18, 2010 · Well, I am glad that I tackled this project. Remove the water pump. Water Pump, Replacement, Standard Volume, GM, Each. All SUPERCHARGER Chevy LT1 Mechanical Water Pump 1992-1997 This mechanical water pump is designed to have a natural pump finish Nov 5, 2007 · Well I had my car overheating, and it turned out it was the coupler going from the water pump drive shaft and the water pump. Not Yet Reviewed. Zero issues. Ahh and I’ll have to drop the oil pan down to get the timing cover off. I didn't use any on the thermostat. 7L LT1 Water Pump Drive Shaft Coupler Compatible with Chevrolet Corvette 1992-1996, Impala SS 1992-1996 & Pontiac Firebird 1993-1997 & Buick Roadmaster 1994-1996, Replace# 10128334: Water Pumps - Amazon. its predecessor, which only had 2 bolts on each side. 56 gears all stock Installing new Water Pump drive seal in Timing Cover Sep 26, 2008 · That is exactly what I had decided too. We ship worldwide and will try to match anyone's price on the same product. Apr 25, 2010 · C4 Tech/Performance - 96 LT1 Water Pump Rebuild - Has anyone attempted to replace the seal in a water pump Vs replacing the entire pump? My neighbor is going to remove the water pump in his 96 LT1. I got a fel-pro timing cover seal kit from ebay. $119. These Chevrolet Performance water pump drive seals are designed to provide a reliable seal for your GM LT1/LT4 water pump driveshaft. Note the pipe connection on the lower left. Aug 27, 2022 · If you look closely, the LT1 model is the same as the LSx race model. 4) The highest flowing electric water pump is the Meziere HD. Apr 10, 2011 · 94 z28 m6 mystic teal. 5" 3000 stall , BMR rear lower and upper control arms. Type II Class II military grade anodized surface coating. 6 Pro magmuim RR; CIA budget headers w/ high flow cats; 2 1/2" cat back with X pipe; chrome dual cone CAI, 52mm throttle body, 30lb SVO injectors, Wilwood brake calipers, Power Stop drilled and slotted Mar 17, 2010 · It probably isn't worthwhile for a street-driven car. Remove the two bolts holding the thermostat housing to the old water pump. Apr 15, 2008 · C4 Tech/Performance - LT1 Water Pump Replacement ??? - I am in the middle of replacing the water pump on my 94 LT1. gl/os7njN Mar 10, 2003 · 4. Pumps will work with a 12V or 16V electrical system. May 1, 2010 · the water pump isnt actually dripping yet there is just some green residue by the weep hole so my goal is to replace it before it drips on the opti and save myself the 400 for a new one of those too. They are both in the same section of rockauto however, so it is an easy mistake to make. Aug 9, 2002 · C4 Tech/Performance - Water Pump Replacement on '95 LT1 - - Looks straight forward. if you have oil leak there , then it most all the time is a bad install. ThanksYup, another youtube video of the LT1 Seal Replacement process! I This LT water pump has been designed to meet or exceed all OEM specifications. They can range from 140 - 170 bucks. $40-Water pump assembly (leaking/splines wasted) - appx. Well, as you can guess after all that work, in -30C weather (I kind not), it still over heated. I've changed dozens of water pumps in my time but had no idea that the same engineer who designed the headlight replacement also had a hand in the water pump placement. Remove the water pump bolts and the stud. When removing the water pump, it is important to remember that the LT1/LT4 water pump is attached to the engine with 3 bolts on each side, vs. See All 12 Photos. Johnson crankshaft mounted pump. $290 with thermostat housing and bleed screw. ACDelco gold water pumps are the high-quality alternative to OE parts. Mar 13, 2024 · I reviewed the threads on the removal replacement of these components thoroughly, and am pleased to announce that as of this morning I am 1 hour and 20 minutes in, and I have pulled the coil/air pump bracket, water pump, water pump drive coupler, the serpentine belt, and all 3 of the damper to hub bolts. Mac Bad news, D. How To Replace The Opti-Spark And Water Pump On Your C4 Step 1: Disconnect the Sep 25, 2016 · I am new to the forum and new to the LT1. Noticed that some vendors include the thermostat housing/neck but others don't. Is the water pump and sleeve actually the front support for the water Here is how I have installed the water pump drive seal on my LT1 motor. PRP’s LT1 electric water pumps are CNC machined out of 6061 billet aluminum and is a direct fit for LT1 engines. Notice: Use the correct fastener in the correct location. Then a week later it was overheating so I Orderd a new water pump driveshaft and the coupler. now i am 300 miles from home in a holet room beacuse it stared to act up again the car was running rough because the water pump was leaking onto the opti spark which caused i Apr 22, 2015 · C4 General Discussion - Water Pump Coupler Question - '94 LT1 - So I've gone through the first half of the WP replacement job (and thankfully my Opti stayed pretty dry despite not removing the knock sensors lol slow and steady seemed to work) but as its my first time I have a question before installation of the new Indmar Raw Water Pump. Uses 1997-2002 Corvette power steering pump, and Dorman 300-301 Power steering pulley only. 1. my Click "Show More" below to read everything I have to say about this particular video. If you can only find a bearing with the seals, they can be removed with little effort. Nov 29, 2009 · In the LT1 this problem is solved by driving the water pump directly via a spur gear driven by the camshaft sprocket. Upon hooking everything up after getting my boat out of Feb 11, 2008 · If I had a high speed road race, (high rpm for long periods of time), I'd keep the stock water pump(and hope one day that Stewart Components puts out a high flow LT1 pump). Apr 24, 2024 · This curated C4 Opti-Spark and water pump replacement is fully credited to “LT1*C4” and is being presented to our CorvSport community in an unedited format. If you do a lot of drag racing the electric water pump can help cool down the engine between rounds. Apr 16, 2014 · C4 Tech/Performance - LT1 Timing Cover Seal Replacement (picture) - I'm at the half-way point of changing optispark. The L82 / L84 / L87 water pump returns the pulley back closer to center of the This video will show you how to replace the water pump on a 1992-1994 C4 Corvette, Buy new water pump: https://amzn. Each kit comes complete with a two part spring loaded mechanical seal. . When you install new pump drive a tee fitting into weep hole, silicone or epoxy around it to seal it. No other symptoms. A cam-driven pump revs with the engine; at top end RPM, the pump places a significant load on the engine, costing several HP. Warranty Chevrolet Performance LT1 Water Pump Driveshafts 10128334. Because of its location, it had to be mounted behind the water pump and the balancer making removal very time consuming. Package includes: 10pcs flange bolts; Compatible with: All GM LT Gen 5 series water pumps and thermostat housings from 2014-Present LS/LT1 Cast Front Runner™ Replacement Water Pump Cartridge Assembly Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Required May 24, 2014 · The furthest cylinder from the water pump on each head will create a spot of very little to zero coolant flow due to the flow of the coolant and shape of the head. I rebuilt the original pump on my LT1 and the impeller was steel. It has a CNC machined billet impeller designed with an increased vane count and a reduced impeller clearance to achieve greater flow rates, higher head pressure and a more efficient flow than other OEM water pumps. The hose from the TB should dump into the upper portion of the radiator. $250-Water pump drive shaft (splines wasted) - appx. Install the coupling with the groove toward the engine. They run about 60$ from the gm up here for the coupler. Clean and inspect the water pump. The center bolt on the driver side is a challenge, but can be removed without removal of the power steering pump. What PITA it was getting out! I read the Helms manual and it didn't say to remove any other stuff than the fanbelt. On a flat clean surface, place the old water pump next to the new water pump. This is the last thing I needed off my old engine to install onto my new Apr 21, 2010 · road dirt, grime and water to attack the Optispark. That way if pump starts leaking in the future, coolant won't run onto opti. Changing a water pump on a LT1 engine. Anybody else have this same problem? Nov 1, 2012 · For those who need a part number for the LT1 water pump drive bearing it is 6201C3 the dimensions are 12mm bore, 32mm Diameter 10mm width. Install new gaskets, with the tabs up, the water pump with the drive coupling, and mounting bolts. Any gotchas I need to be aware of? What is the best replacement GM or aftermakket (like NAPA) [Modified by Mac78and95, 12:13 AM 8/9/2002] [Modified by Mac78and95, 12:14 AM 8/9/2002] Oct 10, 2007 · ACDelco Gold Water Pumps . I noticed the water pump drive and opti seals are made of a rubber infused paper or something, in other words REALLY CRAPPY! Feb 25, 2008 · 1996 T/A m6 under construction for ground up rebuild 1986 s-10 my daily driver,soon to be LT-1 powered :devil dead) 1998 s10 singlecab shortbed 4. Jun 26, 2013 · Re: Indmar LT1 350ci Circulating Water Pump Replacement Got the old water pump out, and the bearings on it were toast. No oil leaks. Make sure you get a bearing without seals and is open on both sides. Step 7 – Exchange thermostat and tensioner pulley. I want to change the seals in the timing cover and the gasket to the cover while it's all apart. com FREE DELIVERY possible on eligible purchases Replacing the Optispark and water pump on a 1993 LT1 Corvette. i figured i would wrap the opti in like a plastic freezer bag and tape it up good or somethin to help keep the water away, you have any good Remove the water pump bolts. These Mar 8, 2012 · Tool J-39088 to install the water pump shaft seal? Im confused because everything looks straightforward on this. com FREE DELIVERY possible on eligible purchases Sep 21, 2013 · THE DREADED WATER PUMP SHAFT SEAL MADE EASY. The 1970-and-earlier models had fan clutches and water pump pulleys with smaller holes to go over a 1/2-inch This stock replacement water pump shaft seal is manufactured by GM or by one of its authorized suppliers for use as a factory replacement part. 2000LS1Bird. The only real difference between the two is the absence of the heater core hose connector on the original. ft. I too decided on the drivers side of the water pump, in the housing right at the fitting for the hose that goes back to the radiator. timing cover gasket, crank seal, opti seal, water pump drive seal, and two little o-rings. $175 Grand total: appx. sbc perimeter bolt valve covers, msd opti and wires, mezeire electric wp, under drive pulley, no a/c, egr, or air Sep 7, 2013 · C4 Tech/Performance - '92 Water Pump Replacement - Need to replace waterpump ('92 LT1) and have a few questions before I buy the new one. Mar 16, 2015 · If you can clean the oil/water out of it and it looks good then reassemble with loctite and reinstall. You’ll note in these steps that LT1*C4 took the time to put the detailed instructions in the pictures. Mar 20, 2005 · C4 Tech/Performance - 96 LT1 water pump replacement and ????? - Well after 68K miles the water pump has started to leak from the weep hole. This fixed my misfire issues. Aug 14, 2012 · I recently completed installing a new optispark, and threw in new seals on the timing cover while I was in there (crank, opti, water pump). What's the trick with the last water pump boltthe middle driver's side one? There are two wires/hoses in the way, tight against the housing. also O rings need be replaced on that Feb 27, 2022 · C4 General Discussion - Supplier for Quality Water Pump (LT1) - Looks like I'm going to be replacing the water pump on my '96 ( only 32,000 miles) and of course I want a good quality part. These high-quality water pumps are backed by General Motors. I did a lot of research before I decided to go with this pump and actually found a reference in 2 books, mellings and a gm book recommended it as a replacement. To replace it the water pump must be Apr 5, 2022 · Buy A-Premium 5. That means I have to take the f'ing water pump off. #22071. This creates a high pressure area, when a hole is introduced to this area it creates a low pressure relief in the high pressure area. Dec 12, 2008 · RIP Jay I miss you already Bro'. Explaining and showing how to properly install the LT1 water pump drive seal on any LT1 Camaro, Firebird, Trans Am, Impala, Roadmaster, or Corvette. Apr 29, 2011 · No water or engine oil leaks at all now!!!! The fuel pump from Pep Boys (Carter) was a bit shorter than the original presenting a couple of problems. Shown here on a 1993 Camaro but should be similar on all LT1 engines. ) Oct 7, 2014 · I replace my optispark on my 94 z28 and now it is leaking oil i took it all back apart and it looks like it is leaking from the water pump drive shaft seal in this thread in this sub-forum in the entire site Dec 9, 2022 · Buy VIPCAR 01124 Water Pump for Chevrolet ‘LT1 LT4 LT5’ Engine, 2014-2019 Corvette 6. Remove the two plastic fasteners from the water pump. My mechanic has a 95 and mentioned the water pump issue leaking onto the distributor i know this is true because my uncle owns a 97 camaro. 15 Disconnect the electrical connection running to the coolant temperature sensor on the water pump. I have heard of people using a 'thimble'-looking device to enable them to slip the timing cover (w/ seals installed in the timing cover) past the water pump shaft splines so that the splines dont tear up the water pump shaft seal. Installation Procedure Install the water pump and gaskets to the engine block. water pump, tensioner, and balancer . If its not then replace it. This further mitigates the opti issues as the weephole in the original water pump can be plugged. Damn labor cost $400. Oct 26, 2013 · The $94 wp is a import knock off, the $219 pump should be genuine GM. Jul 6, 2015 · Hey whats up FBNATION i don't wanna waste anyone's time or anything, but i just bought a 1994 firebird formula v8 from the original owner 58,000 miles. Most LT1 cars won't need this oil seal solution. to/3hRJwtc#corvette #c4corvette #waterpum Heater performance will improve if you move the supply to the front of the water pump and add a valve to that hose. $170-Water pump drive coupler (splines wasted) - appx. And while pump is off. The owner fabricated a bracket to mount a pulley and fan in front of the LT1 water pump; LOTS of work. Apr 2, 2020 · New Water Pump Drive Seal 10217886 and H J 39089 Tool Installer OEM quality aftermarket replacement part Compatible with Chevrolet, Buick and Pontiac Used in 1992-97 LT1 engine timing covers Used in 1994-1996 L99 engine timing covers Material: Aluminum Exact item is pictured Quantity: 1 Seal & 1 Installer Tool Replaces the following Part Here I show how I removed the water pump drive gear and plate out of the LT1 block. Aug 5, 2001 · C4 Tech/Performance - LT1 water pump questions - Hey all, I've almost got my 96's water pump off. The timing chain cover will not interchange; the shape and bolt pattern is different. It goes strait to the radiator. Please note this pump DOES NOT FIT LT1 CORVETTE OR LTR ENGINES. 95 Made in the USA from Aircraft grade Billet aluminum. Remove the water pump to cylinder block bolts and remove water Mar 23, 2009 · The original cap i replaced when the water pump went, then the 2nd cap went when the coil lead burned through the front of it, 3rd was the accel cap that was bad out of the box, now i think the accel optispark has gone bad after about 100 miles. GM LT1/LT4 1993-1997 Camaro and Firebird Aluminum Water Pump OEM replacement Aluminum Housing Material Satin Finish Stamped Steel Impeller Material Gaskets Replacement Water Pump Triple Chrome Plated Fits LT1 and LT4 Engines Thermostat and Housing Not Included | Tuff Stuff Performance 1992-1996 Corvette Water Pump LT1 Chrome | Chevrolet | 40th Anniversary Collectors Edition Grand Sport Pace Car Hack on how to install the water pump shaft seal on a lt1 engine with out messing up the new seal, also replacing the optispark seal This video is part 1 of the repair Titled: How to replace the Water Pump and Opti-Spark Distributor on a LT-1 Engine found in 4th Generation Firebird and Che Apr 24, 2007 · :LS1LT1flag: last summer i had the water pump replaced that was because the car was overheating and spitting antifreeze,this was a 6 months ago and about 3000 miles ago. the raw water pump pull the impeller out and change it if you have any concerns about it or if it is more than a season or Jan 15, 2007 · Hey all, A mechanic told me my head gaskets were shot, so they said replace them and your engine will stop over heating. Don't forget to change your seal when you change your GM LT1/LT4 water pump. I recently bought a 97 trans am of which needed some ignition work. I used an upgraded vented Optispark. Replaces GM PART # 12518277 perfectly. 16 Remove the two air pump-to-engine-block bolts with a 9/16-inch deep socket. Includes vacuum pump delete plate. Runs great al;though I still have a slight shutter on take-off. $635 Flowkooler's 1691 pump fits the 1993-1996 Chevy Corvette LT1. I have a 1999 MariStar 230VRS with the LT1 Corvette motor. NOT THE SAME AS A VETTE!!!! Camaro Z's are MUCH harder to do then a vette Sep 1, 1999 · The 350 LT1 head gaskets are not interchangeable with regular 350 Chevy head gaskets because they have different water passages due to the reverse cooling. The "opti" has two parts, a low-voltage optical section and a high-voltage cap and rotor section. water pump replacement help. the circulation pump should be fairly easy to turn with the belt detached. Show Printable Version; 05-12-2010, 05:23 PM #1. If L98 - buy the whole waterpump. _____ I have a 1996 Pontiac trans Am and need to replace the water pump on the LT1 V8 engine. You can also just leave the TB out of the loop. Remove all drive belts. Due to the nature of the replacement work, it is wise to replace OptiSpark distributor and water pump as a set. I already was bypassing the TB by using a steam line from a 93 F'bird. Part Number: GMB-130-1750. Using stock replacement parts from Eckler's, such as this water pump shaft seal, is a sound investment in the restoration or repair of your Corvette. Nov 2, 2007 · 1977 Impala coupe/94 9c1 frame and LT1 swap. NOTE: Coolant leaks from the water pump are a leading cause of Opti-Spark ignition system failures on LT1 and LT4 Corvette engines. 9 Diesel, Large Remote and Inline Remote water pumps. I run 5w-30. I have custom upper, heater feed, heater return pipes, plus a plug on another place a pipe used to be, so rebuilding mine is pretty important to me, rather than buying a rebuilt. The water Pump Driveshaft is about $100. I think I need to fold the rear seal After all, if your going to replace a part it makes sense to upgrade its capacity if that a reasonable cost option, so if you have replaced your 1996 LT1 water pump and found what you used to do it was either a problem or an improvement over the original water pump Id like to hear about it in either case , and know the part number ,brand and Jun 9, 2013 · replacing the camshaft / water pump drive seal and opti seal on a 1995 cadillac fleetwood brougham LT1 Jul 26, 2014 · In the LT1 this problem is solved by driving the water pump directly via a spur gear driven by the camshaft sprocket. :thumbsup:. Basically create a small vacuum so when the sensor is pulled and replaced quickly no coolant will Oct 25, 2010 · LT1 water pump drive shaft o-ring (93-97) = 12553792 LT1 water pump gasket (93-97) = 10128343 M6 stock replacement LS1 clutch kit (flywheel, clutch, pressure Jan 28, 2017 · Converting Chevy, Buick and Oldsmobile LT-1 and LT-4 engines to Meziere electric water pump. I'd appreciate any advice from folks who have recent experience with purchasing replacement water pumps for an LT1 engine. Again: No one has definitively determined the engine RpM crossover points when the camdriven water pump begins to outflow each of the electric water pumps. The cap of the fuel pump assembly could not be used due to the height issues. It is precision cast for a perfect fit out of lightweight aluminum, with an added a heavy duty impeller shaft and bearings to ensure long-lasting performance. Upon hooking everything up after getting my boat out of REPLACEMENT PARTS; SUPERCHARGER . Jan 16, 2019 · C4 Tech/Performance - '94 LT1 waterpump splined shaft seal - I am doing an Optispark changeout on my Vette and I have a question as to where to put the o-ring that came in the box with the waterpump. If the vehicle is equipped with a mechanical fan, remove the coolant fan pulley bracket. 1993-1996 C4 ACDelco Water Pump - OEM Number(s) (88926213) Our 1993-1996 LT1 and LT4 Water Pump is a direct fit ACDelco replacement. Fun times! What do you think about if I just install an ewp and leave the broken water pump gear alone. New AC Delco Opti, AC Delco opti vent harness, AC Delco distributor front cover seal, new advance auto water pump, AC Delco water pump shaft seal and O-rings, AC Delco thermostat, AC Delco coolant temp sensor. When they go, more times than not the pump starts with a small Shop Cooling, Water Pump, Replacement Water Pump at Corvette Depot Important Update on Corvette Water Pump, LT1 & LT4, AC Delco, 1993-1996. Then run tubing from tee. Tighten the bolts to 41 Nm (30 lb ft). Testing Meziere's LT1 Electric Water Pump. Nov 13, 2008 · So this Fel-Pro timing cover gasket kit i bought came with a number of things. The raw water pump is driven directly off the front of the crank pulley. Sep 30, 2014 · And Permatex water pump&thermostat housing rev silicone gasket for the gaskets. 020 over speed pro pistons,comp custom cam,comp push rods,comp 1. By 2000LS1Bird in forum LT1 Replies: 5 Last Post: 06-10-2010, 08:33 PM. LT1 Water Pump Replacement. I alos found that the bearing in the Opti had a lot of play and, the "wheel" was bent inside so, I repalced the complete unit. View Profile View Forum Posts View Blog Entries How to replace the water pump on an LT1 or LT4 engine in a C4 Corvette, Impala, Camaro, Impalaetc. let us know by contacting us at Info@prpracingproducts. com or calling 215-969-3550 NEW, 1993 - 1997 Firebird LT1 Aluminum Water Pump now on SALE! Direct replacement for the camshaft driven water pumps on LT-1 engines at a fraction of the cost of dealer parts. 7L Unit Repair. The automotive water pump is the same as the Indmar pump. 9/16" 2 bolts 3/8"-16 x 2" Apr 13, 2019 · The previous owners also had a smaller water pump installed (F5B-9), and after taking to the guys at Indmar, they recommended installing the proper raw water pump. 1977 Impala coupe 305/th200/8. I have destroyed 3 seals during the install. Jan 17, 2008 · LT1 waterpumps are a bit pricey when compared with the L98. vdldh myau cnp qywi vfwo wouwqbl ghlaxyc hnwsrdkh ztzha kpalur