1998 Saab 900 Problems
RepairPal has identified the most common problems with the 1998 Saab 900 based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
The APC Solenoid, also known as the boost pressure control solenoid, can fail creating an over-boost condition or a lack of boost from the turbocharger. This may be felt in an abrupt loss of acceleration under heavy load (climbing a hill, or quick acceleration).
The air conditioning expansion valve can fail causing poor, or no cooling from the AC system.
Oil commonly leaks from the distributor o-ring requiring replacement of the o-ring. Oil will be visible on the front of the engine near the distributor.
The exhaust flex pipe can fail causing excessive exhaust noise from the front/center area of the vehicle. The flex pipe is a flexible joint in the exhaust that allows for engine movement.
A weld for the catalytic converter mounting bracket and heat shield can fail. Rattling noise will be heard from the bottom/rear of the engine compartment.
The exhaust center muffler can fail causing excessive exhaust noise.