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The mkiv Supra Owners Club

temperature , up and down


peter richards
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just got the car out gave it a good run , but the temp needle which normally is bang on in the middle , started to rise near the red , then drop back , im home now so will let it cool down , I thought it might be an air lock , so run the heater on max thinking that might shift it .

any sugestions , the rad is new

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At idle do you hear any loud noises coming from the front of the engine? I had this after a good coolant flush, it turned out to be trapped air bubbles. My guess as you don't see any leak.

 

When changing the coolant, did you also open the engine block drain valve? How did you bleed the cooling circuit?

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