F 350 4WD Pickup V8-7.3L DSL (1988)
Air Door Actuator / Motor: Service and Repair
Outside Recirculating Door
1.
Remove two screws securing vacuum motor to upper surface of air door duct.
2.
Pry arm end of motor assembly away from mounting peg and remove assembly from vehicle. If retaining flange breaks off when removing
motor, a 3/16 inch spring nut (part No. 383358-S) must be installed to retain motor arm.
