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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1033 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 4 Of 4)) >> Repair Instructions (Off-Vehicle - Part 4) >> Engine Flywheel Housing Installation

Engine Flywheel Housing Installation

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the oil cooler adapter with gaskets (1, 2) to the oil cooler.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the oil cooler adapter to oil cooler bolts.

    Tighten:  Tighten the oil cooler adapter to oil cooler bolts to 21 N.m (15 lb ft).

    3. Fig 1: View Of Oil Cooler Adapter & Gaskets
    GM663919Courtesy of GENERAL MOTORS CORP.
  3. Install the two O-rings (1, 2) to the flywheel housing.
  4. Apply a 2 mm wide bead of sealant to the flywheel housing sealing surfaces (3), including the upper oil pan to flywheel housing sealing area.
    5. Fig 2: View Of Flywheel Housing O-Rings & Sealing Surfaces
    GM663922Courtesy of GENERAL MOTORS CORP.
  5. Install the flywheel housing to the cylinder block.
  6. Install the flywheel housing bolts, denoted by a black circle.

    Tighten:  Tighten the flywheel housing bolts to 80 N.m (60 lb ft)

    7. Fig 3: View Of Engine Rear Cover Bolts & Flywheel Housing To Upper Oil Pan Bolts
    GM660335Courtesy of GENERAL MOTORS CORP.
  7. Install the oil cooler adapter to flywheel housing studs.

    Tighten:  Tighten the oil cooler adapter studs to 10 N.m (89 lb in).

    8. Fig 4: View Of Oil Cooler Adapter To Flywheel Housing Studs
    GM660329Courtesy of GENERAL MOTORS CORP.
  8. Install the oil cooler adapter to flywheel housing nuts.

    Tighten:  Tighten the oil cooler adapter nuts to 25 N.m (18 lb ft).

  9. Install a new gasket to the turbocharger oil return pipe.
  10. Install the turbocharger oil return pipe to flywheel housing studs.

    Tighten:  Tighten the turbocharger oil return pipe to flywheel housing studs to 10 N.m (89 lb in).

    11. Fig 5: View Of Turbocharger Oil Return Pipe To Flywheel Housing Studs
    GM660327Courtesy of GENERAL MOTORS CORP.
  11. Install the turbocharger oil return pipe nuts.

    Tighten:  Tighten the turbocharger oil return pipe nuts to 25 N.m (18 lb ft).

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