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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Engine Mechanical - 3.6L (Ly7) (4 Of 6)) >> Off-Vehicle Repair Instructions - Part 2 >> Oil Pan Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Inspecting Exterior Of Oil Pan
    GM1392425Courtesy of GENERAL MOTORS CORP.
  1. Inspect the exterior of the oil pan for the following conditions:
    • Damage to the drain plug or drain plug hole
    • Damage to the transaxle mounting bosses
    • Damage to the oil level/condition sensor bolt hole threads
    • Damage to the oil level/condition sensor hole
    • Damage to the transaxle brace mounting bosses
    • Dents or damage to the exterior
    2. Fig 2: Inspecting Interior Of Oil Pan
    GM1392428Courtesy of GENERAL MOTORS CORP.
  2. Inspect the interior of the oil pan for the following conditions:
    • Gouges or damage to the oil pan sealing surfaces
    • Damage to the oil pan baffle
    • Damage to the oil pan scraper
    • Damage to the bolt holes
  3. Repair or replace the oil pan and/or oil pan components as necessary.
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