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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Mechanical - Hybrid (Hp2) 6.0L (LFA)) >> Repair Instructions - Off Vehicle >> Oil Pan Cleaning and Inspection

Oil Pan Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Oil Filter Fitting
    GM1967305Courtesy of GENERAL MOTORS CORP.
  1. Remove the oil filter fitting (438), as required.
    2. Fig 2: View Of Oil Pressure Relief Valve Components
    GM1658301Courtesy of GENERAL MOTORS CORP.
  2. Remove the active fuel management oil pressure relief valve (455) and washer.
  3. Inspect the oil pressure relief valve for proper operation. Lightly depress the valve (2). The valve spring (1) should seat the valve to the proper closed position.
    4. Fig 3: View Of Oil Level Sensor & O-Ring
    GM1967329Courtesy of GENERAL MOTORS CORP.
  4. Remove the oil level sensor (727) and O-ring (728).
    5. Fig 4: View Of Oil Baffle & Bolts
    GM1967330Courtesy of GENERAL MOTORS CORP.
  5. Remove the bolts (427) and baffle (428).
    6. Fig 5: View Of Oil Pan Cover, Bolts & Gasket
    GM1658297Courtesy of GENERAL MOTORS CORP.
  6. Remove the oil pan bolts (435), cover (434), and gasket (433).
  7. Clean the oil pan in solvent.
    8. WARNING: Wear safety glasses when using compressed air, as flying dirt particles may cause eye injury.
  8. Dry the oil pan with compressed air.
    9. Fig 6: Identifying Oil Pan Inspection Points
    GM1967333Courtesy of GENERAL MOTORS CORP.
  9. Inspect the oil pan for the following conditions:
    • Damaged gasket surfaces (1)
    • Restrictions within the oil passages (2) of the pan
    • Damaged oil filter seal surface (3)
    • Threaded oil level sensor hole (4) for damage
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