1990 Saab 900 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Saab 900

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1990 Saab 900 Problems

Knocking Noises Heard While Driving Over Bumps

If you hear knocking noises while driving over bumps, the front ball joints should be inspected. The upper and lower ball joints are known to wear.

Sunroof drains clog and leak water into the car interior

My 900 turbo had an issue where the sunroof drains would get clogged with leaves and other debris, causing water to leak when it rained and the interior to flood. Upon some research and talking to other owners, I learned this is pretty common with this model. Using compressed air, you can put the nossel up to the drain and force air through the drain duct, thereby cleaning it out.

Oil Leaks from the Valve Cover Gasket

Oil commonly leaks from the valve cover gasket requiring replacement of the gasket. Oil will be visible at the top of the engine and possibly in the center area around the spark plugs.

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1990 Saab 900 Questions

Why does my heater not work? (1 answer)

Just blows cold air, although the temperature is right where it should be on the gauge.

Why Car makes intermittent shuddering sound which goes away when I step on brake (1 answer)

Problem happens within 10-20minutes of driving.Becomes a high pitch on freeway then a slower shuddering sound on city block streets.
When I step on brake sound goes away instantly and completely for a few minutes then reappears.At first sounds like passenger side by wheels then sounds more like ...

AC unit (1 answer)

It's an 86' C900S and I'm looking to buy one but the ac does not work and person never attempted to fix...he said there was that the hoses were loose on the refridgeraunt and just assumed it didn't work. How should I approach this?

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1990 Saab 900 Reviews

The selection does not include my year a 1986 900 model. Well built with few bells and whistles. Only a buzzer when key remains in ignition switch. Normal wear items replaced. Extremely solid construction. Door panels have screws that allow E-Z access of window regulator that will never fail because it is manual with hand crank. Glass sealed head lights that don't fade after years of driving. N...
I had the 900 turbo for 6 years from 1999 to 2005 and it was a complete disaster. It worked maybe half the time I owned it. I had to replace the head gasket, the exhaust manifold gasket multiple times, 2 turbos...it's a very long and expensive list. Eventually the rings on the motor blew and I got a new motor from a salvage yard. Also, there is a vent in the hood which somehow allowed rain wat...

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