GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 858171  Size: SH
  1. Remove the oil pan. Refer to Oil Pan Replacement.
  2. Remove the oil pump pipe screen brace bolts.
  3. Remove the oil pump pipe screen bolt.
  4. Remove the oil pump pipe screen from the engine.
  5. Remove and discard the oil pump pipe seal.
  6. Clean and inspect the oil pump pipe screen.

Installation Procedure

  1. Position a new oil pump pipe seal to the oil pump pipe screen assembly.

  2. Object Number: 858171  Size: SH
  3. Position the oil pump pipe screen to the engine.
  4. Apply sealant to the oil pump pipe bolt threads. Refer to Adhesives, Fluids, Lubricants, and Sealers.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the oil pump pipe screen assembly bolts and tighten to 10 N·m (89 lb in).
  7. Install the oil pan. Refer to Oil Pan Replacement.