GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: Remove the oil level sensor, located in the oil pan, before the oil pan is removed. The sensor may be damaged if the oil pan is removed first.


    Object Number: 1687235  Size: SH
  1. Remove the oil pan. Refer to Oil Pan Replacement .
  2. Remove the oil pump screen bolts.
  3. Remove the oil pump screen.
  4. Remove the oil pump screen gasket.
  5. Clean the gasket mating surface on the pipe flange and the cylinder block.

Installation Procedure


    Object Number: 1687235  Size: SH
  1. Insert a bolt through the oil pump screen flange bolt hole, and place the NEW oil pump screen gasket onto the flange.
  2. Install the oil pump screen.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the other oil pump screen bolt and tighten the bolts.
  5. Tighten
    Tighten the bolts to 15 N·m (11 lb ft).

  6. Install the oil pan. Refer to Oil Pan Replacement .
  7. Notice: Do not run the engine until the oil pressure is tested. Running the engine without measurable oil pressure will cause extensive damage.

    Notice: Stop the engine and remove the oil pan if the oil pressure does not build up immediately. Check the oil pump pipe and the screen for a clogged screen, damaged pipe, or a damaged gasket. Running the engine without measurable oil pressure will cause extensive damage.

  8. Inspect and verify that the oil pressure is within specifications.