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The mkiv Supra Owners Club

Top Radiator hose


cainhead
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Having a few issues with the top rad hose. Last few times I have been out in the car the hose has had all the air sucked out of it. After opening the radiator cap it goes back to its normal shape. There does not seem to be any overheating and the car drives fine. Cant see any fluid leaking. Would this just be a major airlock somewhere or something more serious. Any ideas/solutions would be much appreciated.

 

Cheers

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If the problem started when you fitted the new rad cap, I would say thats a good place to start looking.

 

I hear what you saying and agree fully. Just wanted to see if anyone had found the same issue and it was something more complex. But yeah should be the first place to check. Will order one up tomorrow from Toyota.

 

Cheers to you both for your help

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Also check the hose that goes from the rad neck to the expansion tank is okay and

the over flow pipe on the tank

 

Will check that also. Whilst I think about it. I relocated the expansion tank between the fmic and the radiator. Would having it below the radiator cap cause any issue with drawing the fluid?

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