Date: Sun, 24 Jun 2001 10:42:51 -0600
From: (levi)
Subject: Re: Timing chain

I had a timing chain fail at about 145K, it was not a "good thing". Also, have them inspect, and most likely replace, the chain tensioner. A week after my timing chain failure, the tensioner broke and that was pretty bad too. I changed mechanics after that episode, because in my opinion, they should have gone to the extra hassle (10 mins) to check it the 1st time. - Levi In article <>, danny <> wrote: > My local Saab dealer tells me that timing chains rarely break (at least > on the 9000, I didn't ask about other models). What he did say was that > although the chain is unlikely to break what does happen is that the > chain will eventually wear a hole in the timing chain cover, the oil > will be drained and the engine seize. At anything over 100k miles, and > with an audible timing chain, replacement is not bad advice (and usually > to do the cam balancer chain at the same time). > > Regards, > Danny > > (a purely hobby site) > swap Z for above characters in email address to reply > > > > RONALD M FRIESEN wrote: > > > My Saab tech has suggested that I replace the timing chain > > in my '87 900s w/187,000 miles on odometer. This is being > > proposed mainly as a preventive measure rather than to cure > > a major problem. The chain is somewhat noisy. The job is > > quoted at $300 for an in the car job. A broken chain would > > entail pulling the engine at ?, possibly over $1000 > > > > Its a very well maintained car with a first rate black > > finish. I'm aiming for 300K+ so try to keep on top of > > things and follow the Saab maintenance schedule plus replace > > things as they start to wear but before they break. > > Questions: > > 1.Anyone with experience with a broken timing chain in a > > Saab engine. At what mileage? If so, is it a destructive > > event to valves etc? > > 2.Has anyone replaced a timing chain as a "preventative" > > measure? At what mileage > > 3.What are the signs/symptoms that indicate the timing chain > > should be replaced. > > 4.Anything in the line of advice. > > > > I see my tech as honest, giving good advice and conservative > > in reccomendations for repair so I see no reason not to > > trust him or the service manager. Each of this 4 or 5 > > person independent shop has over 10 years experience in a > > Saab dealership in a town with probably the highest Saab > > registration per square block in the US. > > > > Ron Friesen > > Loveland, CO > > --

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