Date: Wed, 9 Aug 2000 21:40:46 +0100
From: "Pete Bennett" <>
Subject: Re: 2000 9-5    3 oil related questions

I'd only replace the oil at the scheduled changes, my 9000 has 124,000 miles on the clock and only has the scheduled changes. If your car has mineral oil in it at the moment, make sure you use a flushing agent to clear out the old oil and follow the instructions carefully on how to do that. DON'T USE ADDITIVES. Most have PTFE or similar in them, which, in high performance race engines (that get stripped down after each race) they are great, they do boost HP, but they sludge up the finer oil galleries which drops the oil pressure in those vital areas and restricts flow. There are lots of articles on the web about things like complaints upheld by the Advertising Standards Authority about oil additive adverts which make unsubstantiated claims. DON'T DO IT. Oil companies have multi million pound/dollar research and development budgets, the work with engine manufacturers, they make some really good oils that will keep your engine running for a long, long time. Pete. <> wrote in message > 3 oil related questions- > 1) Dealer told me oil changes should be done every 5,000 miles. The > manual suggests 10,000. Saab even pays for suggested maintenance, but > will not pay for the 5,000, 15,000, and 25,000. Should it be done > every 5,000 or does the dealer want money for an extra visit? > > 2) Must I use synthetic oil? > > 3) Someone suggested I use something in a red bottle called Mystery > Motor oil additive or something similar to that name. They said to add > 4 oz. to every oil change. The manual says not to use additives. Is > this person correct? Thanks. >

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