GM Service Manual Online
For 1990-2009 cars only

    Object Number: 858161  Size: SH
  1. Install the oil filter bypass valve.

  2. Object Number: 1243907  Size: SH
  3. Install the oil filter adapter.
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the oil filter adapter bolts and tighten to 10 N·m (89 lb in).