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Date: Fri, 24 Feb 2006 15:52:43 -0000 From: "Pidgeonpost" <Pidgeonpostnospambrain.com> Subject: Re: Sludge and Flush
"Fred W" <Malt_Houndnospamm-me-not*yahoo.com> wrote in message news:6-WdncG-jvaTnWLeRVn-vwnospamphia.com... > Pooh Bear wrote: >> >> 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 >> > > All good advice, but if we go back to the OP, it specifically says there > is no sludge now (yet), at least none that the poster is aware of. > Considering that, I would stay away from the "flushing chemicals" and just > adopt a preventive habit of (more) frequent oil changes with a good > synthetic oil. > > One thing about the SAAB 4-bangers is they only take ~4 quarts of oil at a > change. Compare that to my BMWs that take 8 quarts and you can deduce > that the oil will take more of a beating in a given mileage, and it will > be half the cost when you do change it. > > As a point of reference, I routinely change the oil in both of my 1998 > 2.0L 900's at ~5k mile intervals (daughters cars). The BMWs go a bit > longer (~8k miles) between changes. > > -- > -Fred W Fred...tell me you don't mean quarts (i.e. i quart = 2 pints)? If so, I've been seriously under-filling my 9K....!
