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The mkiv Supra Owners Club

Overheating prob


mintedm

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Hello everyone not been on here in a while, recently got the supra back on the road after a couple of years of it sitting in a garage, now was driving somewhere and stopped at lights and the temp gauge suddenly went up got a wee bit along the road and into car park and switched it off, unknown to me the radiator had been leaking slowly. So let it cool right down stuck some water in it and got it home, now im worried incase its done some serious damage car seemed to run fine going home and dash gauge never went up above halfway.

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Presuming the gauge was working normally, you should be fine if it never went much past mid way.

 

Didnt seem to move at all, gauge defo works because it rattled up pretty quick at the lights before i stopped, got a wee water temp gauge in the car, was showing 182-190 ish will driving but let it idle at the house and went up to 215 ?

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Didnt seem to move at all, gauge defo works because it rattled up pretty quick at the lights before i stopped, got a wee water temp gauge in the car, was showing 182-190 ish will driving but let it idle at the house and went up to 215 ?

 

Hmmm. If your coolant temp gauge is accurate and it went up that high then the coolant will have been boiling its nads off. In fact it will boil at anyting much above 120. You need to fix the leak, refill it with coolant and then check that it runs OK after that.

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Hmmm. If your coolant temp gauge is accurate and it went up that high then the coolant will have been boiling its nads off. In fact it will boil at anyting much above 120. You need to fix the leak, refill it with coolant and then check that it runs OK after that.

 

Ment to say its an american gauge so showing fahrenheit if that makes a diffence

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LOL. Yeah, just a bit! 215 F is just over 100 C which is fine. :)

 

Yeh realise that just ment was it ok to be that high still lol, ok so car seems to be ok today just need to swap the coolant over so hopefully no lasting damage , cheers guys for the input

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