Thermostatic Air Cleaner: Service and Repair

THERMAC Air Cleaner:

THERMAC AIR CLEANER CHECK
1. Inspect system to be sure heat stove tube is connected.
2. Check for presence and condition of air cleaner to throttle body gasket seal.
3. Start the engine, and watch the damper door in air cleaner snorkel. When the engine is cold, the damper door should move and close off the outside air. As the air cleaner warms up, the damper door should open slowly to the outside air snorkel.
4. If the air cleaner door fails to operate as previously described check calibrated spring for proper installation and damper door for binding. If the door operates, perform the proceeding temperature sensor check.