Antifreeze loss - Team Camaro Tech
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post #1 of 11 (permalink) Old Jan 14th, 02, 04:14 AM Thread Starter
 
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Hi,
I have a 1988 Iroc and it loses about 1 gallon of antifreeze every month. There are no coolant puddles under my car and I have checked the little hole on the water pump and it does not leak. I can't understand it? I have two other cars that never need to have the coolant replaced. Any ideas would be greatly appreciated. Thanks.
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post #2 of 11 (permalink) Old Jan 14th, 02, 04:27 AM
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Chek your oil fill cap. There's probably a bunch of foamy white gunk under it. That's most likely where it's going. Time for a re-build. . . .

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post #3 of 11 (permalink) Old Jan 14th, 02, 05:41 AM
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Check your oil but a gal a month in the crankcase would cause problems right away. Pressure test the cooling system. If it leaks when driving you may not see a puddle on the ground...

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post #4 of 11 (permalink) Old Jan 14th, 02, 04:31 PM Thread Starter
 
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There is nothing out of the ordinary. The Oil always looks fresh and the car does not smoke. Can I pressure test the cooling system myself? Are there any common problems I should look for?
Thanks.
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post #5 of 11 (permalink) Old Jan 15th, 02, 01:41 AM
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I have (well engine blew up ) but a 91 Firebird 305, had never used a drop of anything, but then as it was ready to die, it leaked water somewhere,. and used oil. the water/oil never mixed so the internals were fine. I think my waterpump was leaking as upon removal there was a rusty looking stain where water had been running for years... heheh, turned out that my waterneck and thermostat were leaking too. a 91 isnt so new anymore...

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post #6 of 11 (permalink) Old Jan 15th, 02, 04:19 AM
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You'd need to have the tool to pressure test it. Any service station will have a tester, you might be able to borrow or rent one. It shouldn't be much to have someone do it for you though.

You could actually have something as simple as a leak that hit's a hot exhaust and evaporates.

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post #7 of 11 (permalink) Old Jan 15th, 02, 02:33 PM
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Check your heater core too. Theres a little tube that will let the antifreeze drain while you drive, it should be on the firewall somewhere. If the core just has a pin hole it might not leak while the car is cold. You should just get the cooling system pressure tested and if theres a leak it will show up right away.

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post #8 of 11 (permalink) Old Jan 29th, 02, 03:55 PM Thread Starter
 
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I had my Coolant Pressure checked and I had a wierd water pump problem. It only leaked while the engine was running and burned off before it hit the ground. Repalced the water pump and I have not had a problem yet.
Thanks for your replies.
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post #9 of 11 (permalink) Old Jan 30th, 02, 01:00 AM
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Huh. That's cool. I'm surprised you didn't smell that crap burning off your engine though. Glad you got it fixed.

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post #10 of 11 (permalink) Old Jan 30th, 02, 04:29 AM
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It's nice to hear back when a solution is reached!! Thanks,

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post #11 of 11 (permalink) Old Jan 30th, 02, 12:37 PM
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I had the same problem. I got a kit from eastwood, that will identify exshust gas in your coolent. Sure enough. If it isn't a bad head gasket then it could be a cracked head like I had.
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