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Home >> Ford >> 1981 >> Bronco 5.0L Eng VIN F, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Thermostatic Air Cleaner >> Testing >> Vacuum Motor
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Vacuum Motor

Disconnect vacuum hose from vacuum motor connector tube. Apply 16 in. Hg of vacuum and trap. Vacuum motor should remain closed for 60 seconds. If not, replace duct and valve assembly.