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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Engine Mechanical - 2.0L (LTG) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Engine Front Cover 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: Front Crankshaft Seal
    GM2875634Courtesy of GENERAL MOTORS COMPANY
  1. If replacing or removing the crankshaft seal, use EN-50820  installer to install a NEW front crankshaft seal (1) into the engine front cover.
    2. Fig 2: Applying Bead Of Sealer Directly In Flange
    GM2875630Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • The engine front cover surface must be free of contamination prior to applying the sealer.
    • Install and align the cover within 20 minutes of applying the sealer.
    • The cover must be fastened to final torque specification within 60 minutes of applying the sealer.
    • Additional sealant is necessary to reduce the possibility of leakage where the cylinder head to engine block interface along the bead path flange on the front cover.
  2. Apply a 5 mm bead of sealer directly in the flange (1) of the engine front cover perimeter mating surface. Also apply a 5 mm bead of sealer directly to the locations indicated (2). Finally, apply a 14 mm dab of sealant at the locations indicated (3). Refer to Adhesives, Fluids, Lubricants, and Sealers (LTG)Adhesives, Fluids, Lubricants, and Sealers (LCV)
    3. Fig 3: Engine Front Cover Bolts
    GM4038931Courtesy of GENERAL MOTORS COMPANY
  3. Install the engine front cover (1).
    4. NOTE:

    Only bolts 3, 5 and 6 will be replaced with NEW bolts.

  4. Install by hand 3 NEW M10 bolts (3, 5, 6) in the engine front cover, as shown.
  5. Hand start the remaining engine front cover bolts (2, 4, 7, 8).
    6. Fig 4: Engine Front Cover Bolt Tightening Sequence
    GM2726765Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    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.

  6. Tighten the engine front cover bolts in sequence to final torque twice:
    1. Tighten NEW sequence 1-3 bolts a first pass to 15 N.m (11 lb ft).
    2. Tighten NEW sequence bolts 1-3 a final pass to 130 degrees using EN-45059  Angular Meter.
    3. Tighten sequence 4-11 bolts to 25 N.m (18 lb ft).
    4. Tighten sequence 12 bolt to 25 N.m (18 lb ft).
    5. Tighten sequence 13-15 bolts to 25 N.m (18 lb ft).
    6. Tighten sequence 16-17 bolts to 10 N.m (89 lb in).
    7. Tighten sequence 18-19 bolts to 10 N.m (89 lb in).
    8. Tighten sequence 20 bolt to 25 N.m (18 lb ft).
  7. Connect the wire harness retainers to the front cover.
    8. Fig 5: Drive Belt Tensioner
    GM2831023Courtesy of GENERAL MOTORS COMPANY
  8. Install the drive belt tensioner (1). Refer to Drive Belt Tensioner Replacement 
    9. Fig 6: Crankshaft Balancer
    GM2831024Courtesy of GENERAL MOTORS COMPANY
  9. Install the crankshaft balancer (1). Refer to Crankshaft Balancer Replacement (Except North America) Crankshaft Balancer Replacement 
  10. Install the camshaft cover. Refer to Camshaft Cover Replacement 
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