Date: Sat, 5 Dec 1998 00:25:34 -0800
From: "Douglas Swank" <dswanknopsamlwebSPAM.com>
Subject: Re: 9000s 91 timing chain question...


Jeremy Jacobsohn wrote: >In article <743oen$d5j$1nopsam.quebectel.com>, phoenix8nopsametrotter.net >says... >> My beloved bigbertha as 132 000 km >> when shoulkd i change the chain ? >> > >My 93 9000 Aero lost its timing chain at 72,000 miles. Repair was $3400! >Of course I got some new engine mounts and a nice new serpentine belt as >part of that cost :-). Absolutely no warning - just cruising along and >then *silence*. > >I suggest you *tow* the car to the mechanic now and have your chain >replaced. No friggin' way! Of all the 10+ Saabs (All 2.0L turbos C900s or 9000s) that have been owned by myself, friends, and family, all but two have in excess of 130,000 miles (three above 190,000) and *none* has ever had the timing chain replaced. The chain is supposed to last the "life of the engine", at least 250K miles or so. Granted, not all will, as we see above--but unless it's noisy I wouldn't give it a second thought. Even if it is noisy, that is still not an definite indication that it's about to go. Timing chains should not be confused with timing belts, which should most certainly be replaced every ~60K miles or so (depending on the car). -Doug

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