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Bzak1pgh

Jun 10, 2024 06:47 PM

08 R56 oil pressure

Did compression test and cylinder 1 = 143.4. 2= 140.2.
3= 159.5. 4 = 132.8.
so all good but ...it's is low but within tolerance.
On oil pressure test....started at 40 psi and after 5 minutes dropped to 20 psi then 15 psi..... Minimum as far as specs is 20 psi....
I already replaced the oil pump, twice due to oil light coming on...so...what's causing this drop in oil pressure? I need some feedback...please?

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