Date: Mon, 28 Apr 2003 19:39:32 +0000 (UTC) From: "SimonJ" <Menopsam.net> Subject: Re: Need the wear limit for a '93 SAAB 9000 CSET timing chain
"Fred W." Aedra.7177$Jf.3701013nopsam1.news.adelphia.net... > I have the engine torn down for a head gasket and when I took the timing > chain tensioner out I have exactly 11mm of distance between the tensioner > body and the back side of the pusher. I found a web site which says that > for SAAB 900's with the same type of tensioner the wear limit is 11mm. It > doesn't say what years it applies to. > > Does anyone have a spec for this or know where I can find it? I've checked > in my Haynes manual and also the AllData CD-ROM I have for the car. One of > my concerns is that if the timing chain has worn too much that the balancer > shaft chain may be in the same shape. This means I would have to remove the > timing cover (means pulling the crankshaft pulley off) to get at all that > stuff. > > Otherwise, I suppose I could just stick in one of the new chains with the > masterlink as a prophylactic and hope for the best... > > TIA, > Fred > > Last on I did (1992 9000 Carlsson 2.3T) Had about 11mm on the tensioner, but the timing chain looked OK. When I stripped it, the teeth on the balance chain sprockets were very well worn, and in urgent need of replacement. If the timing chain is worn, you can pretty much bet that the ballance chain will be far worse.