Reply to "Engine Coolant boiling Noises in the Tank"

panteradougMember

I am presuming that you have pressure tested the cap and verified you have the correct one for your tank. There is the possibility that you have the wrong cap and/or the cap will not hold pressure

Gary Hall used to tell me that some cars he serviced needed to be held up in the back and almost literally stood on their nose to get the air out.

I bought a Stant pressure tester kit and found that in pressure testing the system, it would make it sound like it was boiling because it was forcing the trapped air out.

Incidentally it doesn't matter if the cap is brand new. You need test it right out of the box. To me it looks like there is a failure rate of around 1/3 brand new or more correctly stated, bad right out of the box.

You also need to have the temperature sender in the engine block and not in the swirl tank.

4/13/2310:27 AM

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