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Hello,

first sorry for my english (i´m from chzech republic)

Week ago bought cheap RS4 with lack of power and oil leak. Already did carbon clean,changed pcv valve,o-rings under filter housing,valve cover gaskets..

But this not stopped leak




power steering line,bud not leaking PS fluid

behind light,same powersteering line




does anyone have an idea where the oil is leaking ? Looks like dipstick tube area...Oil cooler line is fine.
Thanks

I would Power wash engine to get rid of all previous residue . Then you will have an idea where it's coming from .

tproky wrote:Hello,

first sorry for my english (i´m from chzech republic)

Week ago bought cheap RS4 with lack of power and oil leak. Already did carbon clean,changed pcv valve,o-rings under filter housing,valve cover gaskets..

But this not stopped leak




power steering line,bud not leaking PS fluid

behind light,same powersteering line




does anyone have an idea where the oil is leaking ? Looks like dipstick tube area...Oil cooler line is fine.
Thanks

I used liquimoly molygen for one of my oil changes, this oil reacts to UV light and it helped me pinpoint an oil leak that was coming from the valve covers, as the other member suggested give it a good scrub and then try this oil to help you find where the leak could come from..., dipstick seal is worth changing same as the one where the filter housing is. You mentioned you already did both valve covers which usually is a fail point in these, you also changed the PCV and the lines were well connected?


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