Overheated coolant

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Oct 14, 2003 | 03:30 AM

tmcorvette

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Joined: Feb 2003

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From: Budapest Budapest

Overheated coolant

Last week I went out with my '88 Vette and in few miles the coolant was getting overheated and going out on reservoir cap.

After this I had to fill up coolant reservoir with about 1.5 litres coolant and I've cleared coolant reservoir cap and radiator cap also. Now there isn't any problem with coolant temperature.

What was the problem? Maybe thermostat or waterpump?

Please help me, Thanks.

Oct 14, 2003 | 04:06 AM

smacko

Burning Brakes

Joined: Jul 2003

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From: Brisbane Queensland, Australia

Re: Overheated coolant (tmcorvette)

Quote:

Last week I went out with my '88 Vette and in few miles the coolant was getting overheated and going out on reservoir cap.

This happened to me also a few weeks ago; was a really hot day and I was on a club run over dirt road, travelling at about 5mph in 1st gear WITH Aircon running on MAX. Stopped to take photos and it happened; I HAD a few days earlier put too much water in overflow tank...Obviously when coolant temp gets overly hot, it expanded into tank and the extra water came out of cap vent. Yes, It LOOKS dramatic, but I now keep water at low mark when COLD and no probs since.

Relax :thumbs:

Oct 14, 2003 | 04:22 AM

tmcorvette

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From: Budapest Budapest

Re: Overheated coolant (smacko)

Thank You, I hope you're right :seeya

Oct 14, 2003 | 09:08 AM

AGENT 86

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Joined: Jan 2003

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From: Summerland B.C. Canada

Re: Overheated coolant (tmcorvette)

Test your rad cap !
If your temps are good then your rad cap is a weak link.
:cheers:

Oct 14, 2003 | 09:11 AM

tmcorvette

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From: Budapest Budapest

Re: Overheated coolant (AGENT 86)

Thank You, I'll do it :smash:

Oct 14, 2003 | 12:07 PM

John Row

Melting Slicks

Joined: May 2001

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From: San Diego CA

Re: Overheated coolant (tmcorvette)

You should probably pull the radiator and clean the fins. They'll collect an amazing array of debris over time. Warning: be very careful with the fins, they are about as hard as aluminum foil.