Quote:
Originally Posted by BTERRY29
Do a leak down test. Simple to do and you can rule out head gasket. Could just be cavitation from the water pump.
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I had the bubbles with the water pump drive disconnected.
An hour ago I marked the head nuts and studs, and one at a time backed each of them off and torqued them again. I did follow the order in Les' red book.
Except for studs #s 9, 11 and 13 all arrived exactly where they were before. #9 could be torqued about 40° (very rough estimate) further, #11 and 13 only a little bit further than before.
I'll do a test drive in a few days when I have some spare time and check if the problem was solved or if the head has to come off.