Changing the Hydraulic Reservoir Filter(metal reservoir only)

rv mm 46.06

Note: On XC chassis vehicles with a side-mounted radiator, the hydraulic reservoir supplies both the steering and the fan circuits.

  1. Drain the entire steering and fan hydraulic systems.
  2. Remove the reservoir lid and remove the nut that secures the filter.
  3. Remove the old filter and install the new filter.
  4. Install the filter nut and tighten it securely.
  5. Fill the reservoir with Dexron III.
  6. Start the engine, run it for five seconds, then shut down the engine.
  7. Fill the reservoir with Dexron III.
  8. Start the engine. Turn the steering wheel lock-to-lock several times until the steering wheel turns easily. Shut down the engine.
  9. Fill the reservoir with Dexron III.

    10. Note: The steering circuit is now purged. Follow the remaining steps to purge the fan circuit.

  10. Start the engine. Run the engine at half-throttle until the fans engage (loud chirping sound). Shut down the engine
  11. The fan circuit is now purged. Top off the reservoir fluid and install the reservoir lid.
Note:
Parent topic: Steering
Document Number: 0000120879
Manual Publication Date: 2024-05-23
Topic Publication Date: 2024-11-13