Replacement of the Air Filter

em2 mm 83.02

The HVAC air filter must be replaced every six months or 60,000 miles (97 000 km) to permit proper operation of the HVAC system.

  1. Park the vehicle on a level surface, shut down the vehicle, and set the parking brake. Chock the tires.
  2. Remove the lower HVAC cover in the cab. For instructions, see Group 60 of the eM2 Workshop Manual .
  3. Disconnect the wiring harness from the evaporator probe.
  4. Remove the capscrews that attach the evaporator service cover to the HVAC assembly. Remove the evaporator service cover.
  5. Pull the filter out of the HVAC assembly.
  6. Install a new filter in the HVAC assembly. Be sure that the arrow on the filter is pointing toward the evaporator. See Fig..

    1. Evaporator

    2. Filter

    Fig. 1, HVAC Assembly Filter

  7. Remove the condensate seal from the evaporator service cover and install a new condensate seal on the cover.
  8. Using capscrews, attach the evaporator service cover to the HVAC assembly.
  9. Connect the wiring harness to the evaporator probe.
  10. Attach the lower HVAC cover to the dash panel. For instructions, see Group 60 of the eM2 Workshop Manual .
Note:
Parent topic: Heater and Air Conditioner
Document Number: 0000121570
Manual Publication Date: 2025-02-11
Topic Publication Date: 2024-06-04