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The mkiv Supra Owners Club

cold heater


pete.w

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Sounds like block matrix to me, loads of threads on here for it. If its only just started doing it, its possible you might be able to clean it through with some of the drain cleaning acid stuff you get a B&Q but be careful its nasty stuff.

As for the lights on the temp control, Im assuming you mean the backlighting at night, as the temp control doesnt have any leds. Thats a simple replacement bulb issue (although Toyota want to charge a fortune for the lil blighters), there is a thread on here somewhere with a link to a web site that sells them although I cant find the it, maybe someone else knows it.

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:D:d

 

try bleeding air out of your coolant - assuming you eliminate the possible electrical problem

work safely warm up car with rad cap off rev gently and carefully and you should see air bubble out - fill her up and see if it now works

worked for me and no problems since

 

Rich

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  • 7 years later...

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