Replacement of the Sleeper Air Filter

49X mm 83.02.004

In vehicles with 60-inch and 72-inch sleepers, the sleeper air filter is located on the forward side of the blower fan housing, under the cabinet, directly behind the driver's seat. In vehicles with 36-inch and 48-inch sleepers, the sleeper air filter is located on the forward side of the blower fan housing, under the L/H side of the sleeper bunk.

    Important: When replacing the air filter, use only a Western Star-approved air filter.

  1. Park the vehicle on a level surface, set the parking brake, and shut down the engine. Chock the tires.
  2. In vehicles with 60-inch and 72-inch sleepers, open the L/H lower cabinet door and remove carpet inside the cabinet. See Fig.. In vehicles with 36-inch and 48-inch sleepers, raise the lower bunk, and lift to remove the HVAC cover panel. See Fig. and Fig.. 

    Fig. 1, Sleeper HVAC Access Panel, 60- and 72-inch Sleepers

    1. Lower Cabinet Door

    2. Carpet

    3. Air Filter

    1. HVAC Cover Panel

    2. Air Filter

    Fig. 2, Sleeper HVAC Access Panel, 48-inch Sleeper

    1. HVAC Cover Panel

    2. Air Filter

    Fig. 3, Sleeper HVAC Access Panel, 36-inch Sleeper

  3. Lift the filter out of the slot. See Fig..
  4. Lift the filter out of the slot. See Fig. for 60- and 72-inch sleepers, or Fig. for 48-inch sleepers.

    1. Air Filter

    2. HVAC Cover

    Fig. 4, Removing the Dual HVAC System Filter, 72-inch Sleepers (Similar for 60-inch Sleeper)

    1. Air Filter

    Fig. 5, Removing the Dual HVAC System Filter, 48-inch Sleeper

  5. Install a new filter in the slot, making sure that it is completely seated in the slot.
  6. Install the carpet. Close the cabinet door in vehicles with 60-inch and 72-inch sleepers.
  7. Install the HVAC cover panels and close the bunks for 36-inch and 48-inch sleepers.
Note:
Parent topic: Air Filter Replacement
Document Number: 0000119477
Manual Publication Date: 2024-05-16
Topic Publication Date: 2024-10-31