GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra Denali 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Oil Filter Adapter and Oil Cooler Assembly Installation

    Object Number: 870004 Size: SH
  1. Install new O-rings (2) to the oil filter adapter and oil cooler assembly. Lubricate the O-rings with engine oil.
  2. Apply sealer GM P/N 12378521 (Canadian P/N 88901148) to the O-ring sealing area (1).

    3. Object Number: 1336118 Size: SH
  3. Install the oil filter adapter and oil cooler assembly.

    4. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the five oil filter adapter and oil cooler assembly bolts (1) and tighten to 25 N·m (18 lb ft).

    5. Object Number: 1336117 Size: SH
  5. Install a new O-ring onto the engine coolant pipe.
  6. Lubricate the O-ring with engine coolant. Do not use oil or grease.
  7. Install the engine coolant pipe to the oil filter adapter and oil cooler assembly.