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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1154 (Engine Mechanical (Repair Instructions 3 Of 5) - 3.6L (Ly7)) >> Repair Instructions (Off-Vehicle Repair Instructions - Part 2) >> Oil Pan Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Inspecting Exterior Of Oil Pan
    GM1408415Courtesy of GENERAL MOTORS CORP.
  1. Inspect the exterior of the oil pan for the following conditions:
    • Damage to the engine mount bracket bolt hole threads (1)
    • Dents, cracks or damage to the exterior (2)
    • Damage to the oil pan mounting holes (3)
    • Damage to the transmission mounting bolt hole threads (4)
    • Damage to the threads for the oil level sensor (5)
  2. Fig 2: Inspecting Exterior Of Oil Pan
    GM1408417Courtesy of GENERAL MOTORS CORP.
  3. Inspect the exterior of the oil pan for the following conditions:
    • Dents, cracks or damage to the exterior (1)
    • Damage to the drain plug hole threads (2)
    • Damage to the transmission brace bolt hole threads (3)
    • Damage to the engine mount brace bolt hole threads (4)
    • Damage to the engine front cover bolt hole threads (5)
    • Damage to the A/C compressor mounting bolt hole threads (6)
    • Damage to the oil pan mounting holes (7)
  4. Fig 3: Inspecting Interior Of Oil Pan For Damage
    GM1408418Courtesy of GENERAL MOTORS CORP.
  5. Inspect the interior of the oil pan for the following conditions:
    • Damage to the oil pan baffle scraper bolt hole threads (1)
    • Loose, missing or damage to the oil pan baffle fastening (2)
    • Damage to the oil pan baffle (3)
    • Debris or blockage under the oil pan baffle (4)
    • Damage or gouges to the oil pan sealing surface (5)
    • Damage to the oil suction tube mounting upper bracket bolt hole threads (6)
    • Damage to the oil suction tube mounting lower bracket bolt hole threads (7)
  6. Fig 4: Inspecting Oil Pan Baffle Scraper For Damage
    GM1318093Courtesy of GENERAL MOTORS CORP.
  7. Inspect the oil pan baffle scraper for damage.
  8. Repair or replace the oil pan and/or oil pan components as necessary.