LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Engine Mechanical) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Oil Pan Cleaning and Inspection

Oil Pan Cleaning and Inspection

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Oil Level Sensor
    GM260123Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • Do not use the oil pan cover gasket again. Install a NEW cover gasket during assembly.
    • Do not use the oil pan to engine block gasket again. Install a NEW gasket during assembly.
    • When installing a NEW oil pan gasket, it is not necessary to install the rivets that retain the NEW gasket to the pan.
  1. Remove the oil level sensor from the pan.
    2. Fig 2: Oil Pan Cover, Bolts, Gasket And Oil Filter Fitting
    GM1744518Courtesy of GENERAL MOTORS CORP.
  2. Remove the oil pan cover (434), gasket (433), and bolts (435), if required.
  3. Remove the oil filter fitting (438), if required.
    4. Fig 3: View Of Oil Pan Drain Plug
    GM260111Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil pan drain plug and O-ring seal.
    5. Fig 4: View Of Oil Pan Baffle & Bolts
    GM260180Courtesy of GENERAL MOTORS CORP.
  5. Remove the oil pan baffle and bolts.
  6. Clean the oil pan in solvent. Be sure to thoroughly clean all of the oil passages and recesses of the pan.
  7. Clean the oil pan gasket surfaces. Refer to Replacing Engine Gaskets .
    8. CAUTION: Refer to Safety Glasses Caution .
  8. Dry the oil pan with compressed air.
  9. Inspect the gasket sealing surfaces for excessive scratches or gouging. Refer to Replacing Engine Gaskets .
    10. Fig 5: View Of Oil Level Sensor
    GM260123Courtesy of GENERAL MOTORS CORP.
  10. Inspect the oil level sensor seal surface and threads for damage.
    11. Fig 6: View Of Oil Pan Drain Plug
    GM260111Courtesy of GENERAL MOTORS CORP.
  11. Inspect the oil pan drain plug and threaded drain hole for damaged threads.

    The drain plug O-ring seal may be used again if not cut or damaged.

  12. Inspect the oil filter sealing surface for scratches or gouging.
  13. Inspect the oil filter fitting (438) for a loose fit or damaged threads.
  14. Inspect the oil passages for restrictions.
scientia non olet · About LEMON Manuals