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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 163 (Engine Mechanical - 3.6L (LGX LF4) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Engine Flywheel Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Flywheel Removed
    GM4017624Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

    NOTE:

    The flywheel does not use a locating pins for alignment and will not initially seat against the crankshaft flange, but will be pulled onto the crankshaft by the engine flywheel bolts.

  1. Install the flywheel (1) to the crankshaft.
  2. CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

  3. Install and hand tighten the NEW flywheel bolts (2).
  4. Fig 2: Flywheel Holding Tool
    GM4017620Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  5. Install the EN-46106  and bolts.
  6. Fig 3: Flywheel Bolt Installation Sequence
    GM4017625Courtesy of GENERAL MOTORS COMPANY
  7. Tighten the flywheel bolts (1).
    1. Tighten the bolts (1-8) a first pass in sequence to 30 N.m (22 lb ft).
    2. Tighten the bolts (1-8) a final pass in sequence an additional 60 degrees using EN-45059  .
  8. Remove the EN-46106  .
  9. Install the clutch assembly. Clutch Assembly Replacement (M3L Transmission)