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Date: Sun, 16 Sep 2007 04:54:35 +0100
From: Eeyore <>
Subject: Re: 9-5 questions on engine oil

"Charles C." wrote: > Hi, > > A friend bought a 9-5, 2.0 LPT, year 2000, with 133k miles on it. > > The oil - the little bit I can get on the dipstick - looks suspect for > dryness/smokiness (sludge?). Level is low .. the car has gone > unserviced for 16k miles. Supposingly it is on fully synthetic. With > the engine fully warmed up I can hear the top end (hydraulic valve > lifters/pushers ...). > > Question 1. Is it safe to flush the engine (my franchised dealer does > it to my 9000 every year)? I've had no qualms flushing my 9000 either. Why are you concerned here ? Maybe someone would care to comment on the relative merits of flushing oil vs a flushing additive ? In the case of the first you drain the old oil, refill with flushing oil, run the engine for a while, drain again and then complete the oil change as normal. The additive of course is simply poured in and the engine run for a while before performing the oil change. Instinctively, I reckon the flushing oil must do a more complete job. Graham

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