Volvo RWD 900 Forum

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OIL LEAK 900 1993

Good evening all, finally discovered where my oil leak was coming from today. Rear right of cylinder head leaking oil. Replaced head gasket a few years ago. Would trying to tighten head bolt stop the leak? Any recommendations are greatly appreciated.

93 940 NA 300731k miles
93 240 classic #915 147k miles








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OIL LEAK 900 1993

You could damage (warp) the head if you over-torque the bolts.
It sounds like the head gasket needs to be replaced.
Once the head is off, you should check it for cracks.








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OIL LEAK 900 1993

First make sure the valve cover gasket and the distributor shaft seals are not leaking oil, then proceed further.








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OIL LEAK 900 1993

I replaced the value cover gasket 2 days ago. The distributor seal is good, no leaks. I can see the oil leaking from under the cylinder head below the far left spark plug.







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