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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1161 (Engine Mechanical - 3.6L (5 Of 6)) >> Off-Vehicle Repair Instructions (3 Of 4) >> Oil Pump Suction Pipe and Screen Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Inspection Points of Mounting Surface For Leaks
    GM1318139Courtesy of GENERAL MOTORS CORP.
  1. Inspect the mounting surface (1) for possible leakage paths.
  2. Inspect the oil pump pipe tube (2) for cracks, imperfections and/or damage.
  3. Inspect the oil pump pipe support bracket (3) for cracks or damage.
  4. Inspect the oil pump screen (4) for blockage, foreign material, tears, cracks and/or damage.
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