K 2500 3/4 Ton Pickup 4WD V8-350 5.7L VIN M 4-bbl (1982)
Thermostatic Air Cleaner Vacuum Motor: Service and Repair
1. Remove air cleaner from engine.
2. Drill out spot welds securing vacuum motor retaining straps to snorkel tube.
3. Lift then unhook linkage rod from damper door and remove vacuum motor.
4. Reverse procedure to install.