Date: Fri, 24 Feb 2006 04:57:48 +0000
From: Pooh Bear <>
Subject: Re: Sludge and Flush

Jo Anne Coyne wrote: > Hi, all. > > We have a '99 2.3L approaching the end of its basic warranty life. It is not > showing any sludge symptoms yet. However, if sludge develops down the road, > I'm worried about Saab honouring the extended warranty, and doubt the > various claims of oil additives. More aggressive treatments like ATF are > scary. > > Can anyone tell me if there is a safe, effective, flushing fluid that will > purge an engine of sludge? It's a bit much to expect an addtive to *purge* an engine of sludge but there are many flushing additives available here in the UK that can be used at oil change time to help prevent the build-up of deposits. Also consider draining and refilling with flushing oil before finally draining and re-filling. Use of synthetic oils will help greatly too. Graham

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