Erratic Interior Temperature Due to Broken Link at Servo Motor on Porsche 944

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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Average mileage: 112,844 (112,844–112,844)
2 model years affected: 1990, 1991
3 people reported this problem
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problem details
1990 Porsche 944 112,844 mi,
Interior vents produce hot air only and is impossible to stop or cool down.