Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Thermostatic Air Cleaner: Service and Repair
VACUUM MOTOR, REPLACE
1.
Remove air cleaner from engine.
2.
Drill out spot welds securing vacuum motor retaining straps to snorkel tube using a 1/16 inch drill bit.
3.
Lift then unhook linkage rod from damper door and remove vacuum motor.
4.
To install, drill 7/64 inch hole in snorkel tube at center of vacuum motor retaining strap.
5.
Reverse procedure to install using sheet metal screws to retain vacuum motor. Ensure that screws do not interfere with operation of damper
assembly.
TEMPERATURE SENSOR, REPLACE
1.
Remove air cleaner from engine.
2.
Disconnect vacuum hoses from temperature sensor.
3.
Pry temperature sensor tabs upward. Note position of temperature sensor before removal from air cleaner. The new temperature sensor
must be installed in the same position as the old temperature sensor.
4.
Remove clip and sensor from air cleaner.
5.
Reverse procedure to install.