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1991 Porsche 944 Problems

Find the most common issues based on 1991 Porsche 944 owner complaints.
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Most Common 1991 Porsche 944 Problems

The driveshaft bearings on higher mileage vehicles may become noisy.
Engine oil leaks at the cam housing, balance shaft, cam shaft, and oil pump should be repaired quickly. The timing belt can become oily and deteriorate if leaks are not repaired.
Due to a broken plastic link at the servo motor for the heater control flap, the interior temperature can become wildly erratic.
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2 Known 1991 Porsche 944 Brakes Problems

Pay close attention to warning lights and have the brakes inspected regularly—immediately address any brake problems. Hard driving habits will cause excessive brake pad and rotor wear.
Aged brake fluid can cause numerous problems and should be replaced regularly.

6 Known 1991 Porsche 944 Drive Train Problems

The driveshaft bearings on higher mileage vehicles may become noisy.
The release arm for the throw out bearing can bind and cause problems with the clutch. Flywheel wear can cause driving and shifting problems and may cause the hubs to fail.
The hydraulic fluid for the clutch system may be overlooked; the fluid should be replaced regularly during brake fluid service. If aging or contaminated fluid is not replaced, there may be problems...

0 Known 1991 Porsche 944 Electrical & Lights Problems

7 Known 1991 Porsche 944 Engine Problems

Engine oil leaks at the cam housing, balance shaft, cam shaft, and oil pump should be repaired quickly. The timing belt can become oily and deteriorate if leaks are not repaired.
The cooling system must be inspected regularly, as small leaks can develop at the reservoir. The heater valve and fan operation should also be inspected.
Corrosion/moisture at the throttle position sensor can cause performance issues relating to low boost.

1 Known 1991 Porsche 944 Exhaust & Emissions Problem

If engine misfiring, rough running, or fuel consumption issues are not resolved quickly, the catalytic converter can overheat and fail.

2 Known 1991 Porsche 944 Heating & Air Conditioning Problems

Due to a broken plastic link at the servo motor for the heater control flap, the interior temperature can become wildly erratic.
Due to a failed resistor pack, the HVAC fan may only operate on the high speed setting.

0 Known 1991 Porsche 944 Maintenance Problems

1 Known 1991 Porsche 944 Miscellaneous Problem

The front hood and rear deck lid support struts may fail; replacement is required.

1 Known 1991 Porsche 944 Suspension & Steering Problem

Suspension components (including control arms, boots, and ball joints) are critical and require regular inspection.

20
Known 1991 Porsche 944 Problems & Complaints

If engine misfiring, rough running, or fuel consumption issues are not resolved quickly, the catalytic converter can overheat and fail.
Pay close attention to warning lights and have the brakes inspected regularly—immediately address any brake problems. Hard driving habits will cause excessive brake pad and rotor wear.
Issues with the air flow meter flap or calibration can cause fuel mixture control problems.
The cooling system must be inspected regularly, as small leaks can develop at the reservoir. The heater valve and fan operation should also be inspected.
The release arm for the throw out bearing can bind and cause problems with the clutch. Flywheel wear can cause driving and shifting problems and may cause the hubs to fail.
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