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Discussion Starter · #1 ·
Hi friends,

I have a problem with my R.

There is 1month a leak on turbo on two sides...repair it by a professionnal.

There is one week i mount my new turbo, and it Will leak on exhaust side again.
All parts on turbo are new and professionnal test it for detect a leak but no problem.

My question is can i have a oil pressure problem?

At idle i have 3/4b of oil pressure and 6b at 4500rpm.

Someone know value i should have?

The return of oil is not clogged. PCV hose sur ate all good.
 

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I've never seen an oil pressure reading on my Volvo, but for cars in general 6 bar shouldn't happen unless the engine is cold with cold oil. Warm pressure at speed should be more like 3-4 bar. Sounds like a stuck pressure relief valve in the oil pump. Too high of pressure doesn't do the bearings any good.
 
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