Date: Sun, 10 Mar 2002 19:30:41 +1300 From: "Benjamin Lau" <someonenopsamosoft.com> Subject: Re: Ticking noise - 9000CD
The 'ticking' sounds like it is coming from timing belt area, which is the right side of the engine bay. (I'm being vague). I'll check after back from work tomorrow. Anyway, the car is due for a service around 64000K. Will make a not e for the service person. BL. "danny" <dannynopsamia-esprezzo.com> wrote in message news:3C8ACE9A.3B440479nopsamia-esprezzo.com... > Benjamin Lau wrote: > > > Greetings Saab enthusiast, > > > > I have a late 92 Saab 9000 with 62000K on the clock. Recently I've notice a > > 'ticking' noise from the engine. I'm wondering if that's normal or something > > I should take note of. The noise is not loud, but just a consistent > > 'ticking'. Couldn't actually hear it with the hood shut. No performance > > degration noted either. Any idea?! > > > > > > There are two usual sources for the ticking. The hydraulic tappets can make a > noise for several minutes after startup, especially when the car has stood for a > while, and this usually quietens when the oil gets round. Secondly, the timing > chain and/or camshaft balance chain can both make a sound when they wear. It's > unusual for that to be the case at your mileage, and a slight sound doesn't mean > impending doom. Other potential sources range from possible vacuum leaks (but > you would normally notice a change in engine behaviour) or aircon components, if > your car has them. Nothing serious in all probability - where is the noise > coming from? > > > -- > Regards, > Danny > > http://www.gaggia-espresso.com (a purely hobby site) > http://www.dannyscoffee.com (UK advert for my mobile espresso service) > swap Z for above characters in email address to reply > > >