GM Service Manual Online
For 1990-2009 cars only

Cleaning Procedure

  1. Clean the oil pump pipe and screen with solvent.
  2. Warning: Refer to Safety Glasses Warning in the Preface section.

  3. Dry the oil pump pipe and screen with compressed air.

Inspection Procedure


    Object Number: 1866893  Size: SH
  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.