Date: 26 Jun 2006 09:51:40 -0700 From: "Drew" <andrewduncannospamternet.com> Subject: Re: Smoking Auxiliary belt (fan belt / serpentine belt)
Thanks for all the advice; that's my job for the weekend! Drew. Fred W wrote: > Everett M. Greene wrote: > > Fred W <Malt_Houndnospamm-me-not*yahoo.com> writes: > > > >>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 > > > > > > [Did what?] > > Sorry. My reply became truncated somehow. I meant to say "Did any C900 > even come with serpentine belts?" > > > > > I failed to notice that the OP said NG900. > > > > > >>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. > > > > > > Off for what? > > Off to change the belt. It's a serious PITA to attempt to change the > belt with the liner still on. I know that it *can* be done. But it > will probably be faster to just bite the bullet and pull off the liner. > > > -- > -Fred W
