Estimated lifespan for Water Pump 94 LT1 Corvette
I'm asking this question so that I can change my waterpump before it goes and takes the OPTISPARK with it :( My car is a 1994 LT1 Corvette with 48,600 miles on it. How much time do I have remaining on this waterpump? estimates are what I'm looking for :yesnod:
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (C4ForGeeGee)
yours is lasted longer than most.... check the other posts here...most are running around 20-35k miles so your lucky so far. Its usually a gradual process...you should notice your AC getting weak first or a fine mist at the bottom of your windshield... If that is happening do it now before it pukes on ya.
vr, volt btw...im changing mine today as we speak...hehe not fun let me know if you have any questions. |
Re: Estimated lifespan for Water Pump 94 LT1 Corvette (C4ForGeeGee)
Mine lasted 14,000 miles.
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (Voltech_LT4)
Thanks for the answers, I think I'll change mine for the hell of it :D
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (C4ForGeeGee)
I have noticed the AC not blowing very cold... Is this a tell-tale sign?
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (baddmann)
I have noticed the AC not blowing very cold... Is this a tell-tale sign? |
Re: Estimated lifespan for Water Pump 94 LT1 Corvette (STL94LT1)
Well I thought about that, but after a little while it starts blowing cold. It just seems to be a slow starter, and after reading earlier posts I thought I would ask...
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (baddmann)
if you dont change your coolant or add additives, the seals will not have proper lubrication. Most people who dont change their coolant when their supposed to have waterpumps that fail. Mine has been on for 71k miles and still running strong. I change my colant every year and add the gm additive (which was required specifically for the waterpump). I also revv to 7100 rpm, so it seems the waterpump spins like superfast too. :D
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (5abivt)
not to badmouth any of you, i have had friends whose pumps have gone fast too, i juist wanted to say its usually those who have negative feedback that speak of these sorts of things. :mad
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (5abivt)
why is it that when the water pump fails the optispark dies?
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (5abivt)
I should look it up to be sure, but the GM recommendations for the orange coolant is 100K miles or 5 years. How does lack of maintenance explain failures at 30k miles on LT4's which are only about 6 years old now?
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (LT4BUD)
I guess I'm lucky, but I bought mine used with 25K on it and it appeared to be the original one.
I now have 122K on it and the optispark. I do lots of highway driving and racked up those miles in two years. I've always been a believer that age gets most of this stuff faster than miles do. Meaning cars that don't get driven as much seem to deteriorate seals and things much faster. Keeping my fingers crossed! Jim [Modified by 427Hotrod, 11:07 PM 8/17/2002] |
Re: Estimated lifespan for Water Pump 94 LT1 Corvette (LT4BUD)
I should look it up to be sure, but the GM recommendations for the orange coolant is 100K miles or 5 years. How does lack of maintenance explain failures at 30k miles on LT4's which are only about 6 years old now? |
Re: Estimated lifespan for Water Pump 94 LT1 Corvette (GS Ragtop)
Mine lasted 32,000 miles with bi-annual coolant changes, including redline water wetter which I believe has cooling pump lubricants included. Luckily I discovered my tell tale cooling pump leak early on and my optispark was fine. :)
Seems like 30,000 miles or so is the norm. That is not a particularly good example of engineering for a modern engine. :sad: |
Re: Estimated lifespan for Water Pump 94 LT1 Corvette (Ron92Blackrose)
I am converting mine to an electric at 41k after it took out my optispark :mad
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (konroh)
Hmm. Mine's original with 77,777 on the OD. Guess I should get it done before its a problem.
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (92TripleBlack)
I changed my waterpump and optispark (plugs etc) at 102K...but everything was still working fine. Just changed them for preventative maintenance.
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Re: Estimated lifespan for Water Pump 94 LT1 Corvette (konroh)
I just changed my water pump (which leaked out the weaping hole), and I have no problems with the opti spark. She runs as mean as ever. I wouldnt replace it unless it goes....but you could buy the parts so if the opti does go youll be ready for it. Just make sure you buy the two water pump gaskets and some Red RTV and some anti seeze for the water pump bolts. I would just have them put aside in the garage... Does anyone know the symptoms of a bad Opti SPark? What does the car do? It must really have to get wet, (or the 96 venting worked) because my water pump was leaking all over and mine is fine. (but I did wait several days before changing the pump).
vr, volt :cheers: |
Re: Estimated lifespan for Water Pump 94 LT1 Corvette (cougarSVT)
why is it that when the water pump fails the optispark dies? |
Re: Estimated lifespan for Water Pump 94 LT1 Corvette (427Hotrod)
I guess I'm lucky, but I bought mine used with 25K on it and it appeared to be the original one. I now have 122K on it and the optispark. I do lots of highway driving and racked up those miles in two years. I've always been a believer that age gets most of this stuff faster than miles do. Meaning cars that don't get driven as much seem to deteriorate seals and things much faster. I bought the car with 9k on it and it was 2.5 yrs old. Hydraulic clutch (master cylinder ) went out a week later. The shop suspected that the seals dried out from non-use. (I have 75k on the new cylinder). I'll keep my fingers crossed but my car seems to run best when its run often! |
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