GM Service Manual Online
For 1990-2009 cars only
  1. Clean the heat exchanger-to-oil filter housing sealing surfaces.
  2. Install a NEW gasket.
  3. Install the heat exchanger (1) to the oil filter housing.
  4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2026831  Size: SH
  5. Install the 6 bolts (2) and tighten to  XXXN·m (XXX lb in).
  6. Clean the oil filter housing-to-thermostat housing sealing surfaces.
  7. Install 2 NEW gaskets.

  8. Object Number: 2026867  Size: SH
  9. Install the oil filter housing and the 5 oil filter housing bolts (2) and tighten to  25N·m (19 lb ft).

  10. Object Number: 2026830  Size: SH
  11. Install the thermostat housing coolant pipe (1) to the oil filter housing.
  12. Install the 2 thermostat housing coolant pipe bolts and tighten to  8N·m (71 lb in).