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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 360 (Engine Mechanical - 2.5L (LCV)) >> Repair Instructions - On Vehicle >> Engine Front Cover Replacement >> Installation Procedure

Installation Procedure

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    Fig 1: Front Crankshaft Seal
    GM2875634Courtesy of GENERAL MOTORS COMPANY
  1. If removed, Use EN-50820  installer, to install the 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 .
    3. Fig 3: Engine Front Cover And Bolts
    GM4038931Courtesy of GENERAL MOTORS COMPANY
  3. Install the engine front cover (1).
    4. 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.

    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 .

  6. Tighten the engine front cover bolts in sequence to final torque twice:

    Tighten

    1. Tighten sequence 1-3 bolts a first pass to 15 N.m (11 lb ft).
    2. Tighten sequence 1-3 bolts a final pass 130 degrees using EN-45059  meter.
    3. Tighten sequence 4-15 bolts to 25 N.m (18 lb ft).
    4. Tighten sequence 16-17 bolts to 10 N.m (7 lb ft)
    5. Tighten sequence 18-19 bolts to 10 N.m (7 lb ft).
    6. Tighten sequence 20 bolt to 25 N.m (18 lb ft).
  7. Install Drive Belt Tensioner. Refer to Drive Belt Tensioner Replacement 
  8. Install Crankshaft Balancer. Refer to Crankshaft Balancer Replacement 
  9. Install Engine Mount. Refer to Engine Mount Replacement 
  10. Install Camshaft Cover. Refer to Camshaft Cover Replacement 
  11. Install Air Cleaner Assembly. Refer to Air Cleaner Assembly Replacement
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