FixVault

Oil Replacement

  1. Raise and suitably support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
  2. Place a drain pan or suitable container under the transfer case.
  3. Remove the transfer case oil level/filler plug (2) from the transfer case.
    Fig 1: Removing Transfer Case Drain Plug And Oil Level/ Filler Plug
    G01545953Courtesy of GENERAL MOTORS CORP.
  4. Remove the transfer case drain plug (1) from the transfer case and drain the transfer case oil.
    NOTE: Refer to FASTENER NOTICE .
  5. Place the transfer case drain plug into the transfer case.
    1. Tighten 
    2. Tighten the transfer case drain plug to 49 N.m (36 lb ft).
  6. Add approximately 0.8 liters (0.85 qts) of 80W-90 GL5 lubricant or equivalent, into the oil level/filler plug hole. The oil level should be even with the bottom of the oil level/filler plug hole.
  7. Place the transfer case oil level/filler plug (2) into the transfer case.
    1. Tighten 
    2. Tighten the case oil level/filler plug to 49 N.m (36 lb ft).
  8. Lower the vehicle.