1991 Porsche 944 Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 1991 Porsche 944
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1991 Porsche 944 ProblemsDriveshaft Bearings May Become Noisy
The driveshaft bearings on higher mileage vehicles may become noisy.
Due to a broken plastic link at the servo motor for the heater control flap, the interior temperature can become wildly erratic.