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

Inspection Procedure

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    Fig 1: Inspecting Oil Pump Pipe
    GM1392431Courtesy 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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