Corvette Leaking antifreeze
Thread Starter
Heel & Toe
Joined: Apr 2010
Posts: 22
Likes: 0
From: Lincoln NE
Corvette Leaking antifreeze
I have a 95 Corvette convertible. I took it to the shop last year and had the radiator flushed and refilled. Now the car leaks antifreeze and when you drive slow the car starts to heat up. When you go 35 it is fine. Took it back to the shop and they say its not leaking. I can see it in may garage on the floor but they cant find a leak.
Do you think it might be the waterpump? I call the Chevy dealer they want$800.00 to replace the water pump. Are they that hard to replace? Any suggestions.
Thanks
Do you think it might be the waterpump? I call the Chevy dealer they want$800.00 to replace the water pump. Are they that hard to replace? Any suggestions.
Thanks
Racer
Joined: Dec 2010
Posts: 302
Likes: 0
From: delancey new york
Does it leak enough to keep adding antifreeze??? Or just a few drops on the floor. How hot does it get??? Is it overheating ?? Are your fans coming on In traffic at low speeds they will get hot if your fans aren't coming on. Check and see what the heat gauge says at low speeds and what it reads at highway speeds. . THEN GET BACK HERE --Did they clean the road crap from the front of the coolant radiator??
Last edited by ken1950; Jul 8, 2011 at 11:12 AM.
Safety Car
Joined: Jan 2004
Posts: 3,783
Likes: 15
From: Northern California
Did the shop do a pressure check?
The leak could be anything from a loose hose clamp to a head gasket leak. A pressure check and coolant dye will help locate the leak.
The leak could be anything from a loose hose clamp to a head gasket leak. A pressure check and coolant dye will help locate the leak.
Last edited by GKK; Jul 8, 2011 at 05:36 PM.
Melting Slicks
Joined: Mar 2008
Posts: 2,351
Likes: 222
From: Delta B.C. Canada
2023 C7 of the Year Finalist - Unmodified
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$800 for a WP install is robbery! You can do the whole job yourself in 2 hours easy. Six bolts and it's out. There are some great threads here for install directions. You can get rebuilt pumps for under $100. New ones for under $300.
Find out where the coolant is coming from. Hose connections? Bleed valve? Leaking rad? Take it from there.
Find out where the coolant is coming from. Hose connections? Bleed valve? Leaking rad? Take it from there.
Le Mans Master
Joined: May 2007
Posts: 8,448
Likes: 27
From: Valparaiso
hey wingman that sounds like air trapped on your cooling system, i was so annoyed , that happened almost everyday, i decided to drill the thermostat and the problem was gone !
i had boiling water coming from the expansion tank
Check my old threads 1 and 2 Hope it helps !!!
Check your radiator cap as well !!!
i had boiling water coming from the expansion tank
Check my old threads 1 and 2 Hope it helps !!!
Check your radiator cap as well !!!
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Team Owner
Joined: Aug 2008
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From: Rochester NY
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Wingman, Does it leak constantly - like if you don't drive it for a week? Or only after you return from a drive and then stops after a day (or after it cools down)?
Start by checking every hose clamp for tightness. Wipe everything clean and then watch for the leak to re-appear. Put a piece of corrugated under the car and see where the drops appear - that will give you a rough idea of where to start looking.
Like Ken1950 said, get back on here with more details. If you have any basic tool skills you can save a major part of that $800. Even if you can't do it yourself, the suggestions from here can give you knowledge and confidence if you have to have it done for you, and hopefully you can avoid a rip-off.
Start by checking every hose clamp for tightness. Wipe everything clean and then watch for the leak to re-appear. Put a piece of corrugated under the car and see where the drops appear - that will give you a rough idea of where to start looking.
Like Ken1950 said, get back on here with more details. If you have any basic tool skills you can save a major part of that $800. Even if you can't do it yourself, the suggestions from here can give you knowledge and confidence if you have to have it done for you, and hopefully you can avoid a rip-off.
Le Mans Master
Joined: Jan 2006
Posts: 5,621
Likes: 206
From: Orlando FL
Just run your hand under the water pump towards the shaft in the rear of it. When the engine is not to hot see if you can feel any wetness or if you hand looks green. If you can get under the car have a look at the knock sensors also.
Look at, and in any brackets that run under the engine or radiator that could puddle in small areas that could hold coolant.
Look around the radiator as best you can with a flashlight (front and sides) for and tell tail of green discoloration.
I would think it would be obvious if it was coming out of the over flow tank.
Look at, and in any brackets that run under the engine or radiator that could puddle in small areas that could hold coolant.
Look around the radiator as best you can with a flashlight (front and sides) for and tell tail of green discoloration.
I would think it would be obvious if it was coming out of the over flow tank.
Thread Starter
Heel & Toe
Joined: Apr 2010
Posts: 22
Likes: 0
From: Lincoln NE
Anti freeze leak
Thanks to all that responded. I am older and not much of mechanic so I ended up taking it to the locate Chevy dealer. The water pump and radiator were both leaking. Had them both replaced and I hope that will be all for a while.
Thanks again.
Wingman47
Thanks again.
Wingman47
Last edited by wingman47; Jul 11, 2011 at 06:26 PM.
