Date: Mon, 26 Aug 2002 11:49:27 -0400 From: KeithG <noonenopsamspring.com> Subject: Re: 9000CD Heating Issue
The fan issue is probably a dodgy thermal switch. At speed, though, the car should cool w/o a fan running. If it does not run in the middle of the range (Actually 1/4-1/3), it could be a bad thermostat (not opening properly) or a clogged radiator. See link: http://216.78.172.244/cooling_system_folder/coolingsys.htm also this whole directory has a lot of good information about your 9k http://216.78.172.244/cooling_system_folder/cooling_system_docs.htm KeithG Benjamin Lau wrote: > Greetings Saab Owner > > I've got a late 92 9000CD (2.3 non-turbo) with 65000K on the clock. Was a > 'hand-me-down' car. I use my Saab mostly on the weekends, usually I bus to > work. My boss started his sabbatical earlier this month. With him on away > on holiday, his park was available for use. I've been driving to work this > month. > > I notice this morning (stopped at work premise) that the engine temperature > was a bit 'high'. The needle was at the high end of the scale. Not > red-lining yet but close. Its about at the 1/4 mark of the temperature > scale! When I turned the engine off the cooling fan kicked in. I was > relieved. > > When I drove back just now the temperature scale was just like this > morning. At one stage it was two millimetre away from the 'red zone'. BUT > the cooling fan did NOT kick in at all. Luckily got back home without > hitting the 'red zone' or 'blowing' the engine. > > Got back, turned the engine off & left the car to cool for about 10 minutes > or so. Then popped open the hood. Checked on the coolant, which is within > tolerance (was actually at mid-point) which was recommended. Then I checked > the fuse for the cooling fans (which was located in the engine bay) - no > blown fuse. I'm totally stumped. > > So I'm back here at the newsgroup seeking answers. I'll probably bring the > car into the dealer tomorrow for a check. But if any of you guys have any > idea what's going on, please provide a response. TIA. >