Hi guys with regards to volvo 940 turbo.
Got positive crank case pressure but know its not the pcv system...also loosing some water.(max to min level in 140mls).
No obvious signs on oil filler cap and dip stick still looks clear....maybe a gnats c*ck on the bottom.
So I bought myself a compression tester so I could check.
Results are as follows..
#1 142.5 psi
#2 137.5 psi
#3 140 psi
#4 140 psi
Not what I expected, first time using one and thought I'd see obvious signs on the readings.
Am I still on right track?? Can the head gasket still be at fault without showing on readings??
Any experience or advice greatly appreciated.
Cheers guys.
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