What's causing my oil leak?

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pos

Well-Known Member
Posts
3,685
Location
West Yorkshire
Hello,

My 2.5 N/A pushes oil out of the filler cap and two rocker cover bolts and I am trying to narrow down the cause. All was fine on the pressure test, each cylinder was well within the tolerances but there is of course the chance that a piston ring may have worn very slightly allowing some of the pressure to force its way up.

Is there anything else which could be casing this to happen though like timing out? Head gasket failure?

Thanks in advance for any help
-Pos
 
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