Date: Thu, 22 Jun 2006 11:40:52 -0400 From: Fred W <Malt_Houndnospamm-me-not*yahoo.com> Subject: Re: Smoking Auxiliary belt (fan belt / serpentine belt)
Everett M. Greene wrote: > NW Fungi <tbissonnospamfier.com> writes: > >>Fred W wrote: >> >>>Drew wrote: > > >>>>On a long trip at high speed, once I slowed down I noticed a burning >>>>smell from the engine compartment (of my 1997 Saab 900s 2.0i, 160K >>>>miles). I opened the bonnet and there was a small amount of smoke >>>>coming from the belt (the one that drives the oil, power steering, and >>>>AC pumps). The belt seems in good condition though it looks a little >>>>"shiny" on the outside face. The inside, ridged, face looks just >>>>fine. A mechanic said it was likely to be the tensioner pulley >>>>bearings seizing up rather than the belt its self giving up. Sounds >>>>like an OK reason to me. Checking the Haynes manual it says the belt >>>>should be changed every 15K miles or so - I missed that one along the >>>>way. Mine hasn't been done in something like 80K miles. How >>>>difficult and expensive is it to replace the pulley bearings and belt >>>>do you think? There is a bit of a squeal developing now.) >>> >>>Quite easy. The worst part is getting access to everything which >>>requires removing the right front wheel well liner. I would definitely >>>replace the pulleys and the belt. >>> >> >>I agree, I have a 96 900s and the idler pully froze and caused alot of >>smoke, and tore the belt all to %&%%$$%$%! It is easy enuff to fix, but >>as Fred said, you do have to pull the right front wheel well liner. > > > I have a 1985 900 which destroyed a belt in the middle > of nowhere in Montana prior to 1989. I replaced the belts > at the time of the incident and haven't thought about them > or done anything about them since. Do they really need to > be replaced every 15K miles? 3 things: 1) an 85 C900 is a different animal from a NG900. Did any C900 2) I would replace the belts every 30k miles and check it every 15k per the SAAB recomendations / schedule. 3) I would replace the idler and tensioner pulleys at every second belt change since the wheel well liner is already off. -- -Fred W
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