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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Mechanical - 4.4L (3 Of 5)) >> Off-Vehicle Repair Instructions (Part 2) >> Oil Pan Cleaning and Inspection - Off Vehicle >> Inspection Procedure

Inspection Procedure

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    Fig 1: Inspecting Exterior Of Oil Pan
    GM1351929Courtesy of GENERAL MOTORS CORP.
  1. Inspect the exterior of the oil pan for the following:
    • Damage to the transmission mounting hole threads (1)
    • Damage to the engine oil level switch/temperature sensor bolt hole threads (2)
    • Damage to the engine oil level switch/temperature sensor hole (3)
    • Damage to the exterior of the oil pan (4)
    • Damage to the oil pan drain plug hole threads (5)
    • Damage to the mounting hole threads (6) for the front differential
    • Damage to the oil pan bolt holes (7)
    2. Fig 2: Inspecting Interior Of Oil Pan
    GM1351930Courtesy of GENERAL MOTORS CORP.
  2. Inspect the interior of the oil pan for the following:
    • Damage to the oil pan gasket sealing surface (1)
    • Damage to the oil pan-axle pass through (2)
    • Damage or blockage to the oil pan interior (3)
    • Damage to the mounting hole threads (4) for the front differential
    • Damage to the engine oil level switch/temperature sensor mounting bore (5)
  3. Repair or replace the oil pan as necessary.
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