Caprice Wagon RWD V8-305 5.0L (1991)
Thermostatic Air Cleaner: Testing and Inspection
Air Cleaner
Thermac Operation
INCORRECT THERMAC OPERATION:
1.
Hesitation during engine warm up may be caused by:
a. Heat stove tube disconnected.
b. Missing or damaged air cleaner to TBI seal.
c. Damper door does not close.
d. Loose air cleaner cover or air cleaner housing.
2.
Lack of power, or sluggish on a hot engine may be caused by:
a. The damper door may not be opening to outside air.