Date: Thu, 04 Mar 2004 20:15:05 -0500 From: itten <ittennospamast.net> Subject: Re: '94 900 overheating
The car does not overheat at highway speeds, only when I'm stuck in heavy traffic do I see the gauge move to the hot side, yet not all the way hot yet. The coolant level remains where I left it: full. I did notice a squeeling noise when the car was first started in cold weather. The noise went away after 20 seconds or so and did not re-appear again once I got moving. > >"itten" <ittennospamast.net> wrote in message > >news:030320041834429328%ittennospamast.net... > >> My 900 Turbo seems to be overheating when in traffic. I topped off the > >> coolant level after it was low. I don't seem to have a leak because at > >> the end of a run, the level was as I left it. When I'm moving, the > >> temp gauge is mid way and goes up higher as the car runs. Do the two > >> fans behind the radiator run when the car is running? I noticed one > >> running just as the car was shut off. Not knowing much about > >> maintenance, is there something I can do before I take it to the shop? > > > >If the temperature is climbing into the red when the car is moving, the > >electric fan is not the problem. Instead it is most likely a thermostat > >problem. The electric fan does not come on until the temp climbs to about > >10 o'clock on the temp gauge. It is only really there so it can move air > >thru the radiator when the car is stationary. > > I'd agree. If it is overheating when the car is running on the > highway, it's not the fans. My first guess would be that your water > pump is not pumping an adequate supply, check the serpentine belt to > see if it's extremely loose. If you have a '94-900 and you have not > changed the belt or upper idler pulley in 50K miles, you should > probably replace them. However, unless the belt is very, very loose, > (problem with tensioner) you probably have another problem. I think > you'd see other problems if it was that loose. > > Does the coolant get used up every time you run it ?
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