Replacement of the Sleeper Air Filter

57X 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 48-inch sleepers, the sleeper air filter is located on the forward side of the blower fan housing, under the bunk, directly behind the driver's seat.

    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, remove the sleeper HVAC access panel on the inboard side of the cabinet. See Fig.. The panel is held in place with four spring clips. Pull straight out to remove it.
    In vehicles with 48-inch sleepers, raise the lower bunk, and lift the access panel. See Fig..

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

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

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

    1. Filter

    Fig. 3, Removing the Filter, 60- and 72-inch Sleepers

    1. Bunk Frame Upper Surface

    2. Filter

    Fig. 4, Removing the Filter, 48-inch Sleeper

  4. Install a new filter in the slot, making sure that it is completely seated in the slot.
  5. Install the access panel.
Note:
Parent topic: Air Filter Replacement
Document Number: 0000116841
Manual Publication Date: 2024-05-13
Topic Publication Date: 2025-04-05