Date: Sat, 12 May 2007 13:32:29 GMT From: "john" <jsmith1456nospamo.com> Subject: Re: saab 9-5 timing belt/chain
"John Bain" <john.bain4nospamorld.com> wrote in message news:gqn0i.6635$eY1.560nospamfe2-win.ntli.net... >I have an eight year-old 9-5 which has now covered nearly 89000 miles. > Could somebody please let me know if any timing belts/tensioners are > due/overdue for replacement. > I've been told nothing is needed as the belt is a chain belt. The manual > is not clear. > However, I don't want the usual mess if something breaks. The car seems to > be running ok, but at idle there is a slight but audible noise - like a > ping pong ball rattling around inside a tin can is the only way I can best > describe it. > Thanks jb > your description does sound like chain rattle however it could just be valve train noise which isn't serious. Try an oil change and if the the noise goes away when warm it's probably OK. 90K is very low mileage for a timing chain replacement on these cars but depends how the car has been treated/serviced.