GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2010 🢒 Sierra Denali 🢒 Engine 🢒 Engine Mechanical - 6.6L 🢒 Engine Flywheel Housing Installation

    Object Number: 1334855 Size: SH
  1. Install the oil cooler adapter with gaskets to the oil cooler.

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

  2. Install the oil cooler adapter to oil cooler bolts and tighten to 21 N·m (15 lb ft).
  3. Apply a 2-3 mm wide by 0.5-1.5 mm high bead of GM P/N 12378521 (Canadian P/N 88901148) sealant to the engine block mating surface.

    4. Object Number: 1334853 Size: SH
  4. Install the flywheel housing to the cylinder block.
  5. Install the flywheel housing bolts and tighten to 80 N·m (60 lb ft).

    6. Object Number: 1334852 Size: SH
  6. Install a new gasket to the turbocharger oil return pipe.
  7. Install the turbocharger oil return pipe to flywheel housing studs. Tighten the turbocharger oil return pipe to flywheel housing studs to 10 N·m (89 lb in).
  8. Install the turbocharger oil return pipe nuts and tighten to 25 N·m (18 lb ft).