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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 741 (ENGINE MECHANICAL - 8.1L (UNIT REPAIR))REPAIR INSTRUCTIONSENGINE FRONT COVER INSTALLATION
2004 Oldsmobile Bravada AWD

Engine Front Cover Installation

2004 Oldsmobile Bravada AWDSECTION Engine Front Cover Installation
WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 42851  Front Cover Oil Seal Installer

  1. Install the NEW crankshaft front oil seal using the J 42851. 
  2. Lubricate the sealing surface of the crankshaft front oil seal with clean engine oil.

    Important:  The engine front cover must be installed and the fasteners tightened while the sealant is still wet to the touch.

  3. Apply the sealant GM P/N United States 12346286, GM P/N Canada 10953472, or equivalent in two sealant points (1) on the engine block where the front cover meets the oil pan. The sealant (A) should be 2.0 mm (0.080 in) away from the front of the engine block.
    Fig 1: Engine Block-To-Front Cover Sealant Locations
    G01675600Courtesy of GENERAL MOTORS CORP.
  4. Install the engine front cover gasket into the front cover.

    Important:  The following method must be used when installing the engine front cover. Failure to follow the instructions will push the sealant out, which may cause an oil leak.

  5. Install the engine front cover.
    1. 5.1. Hold the front cover (1) up to the crankshaft (2).
    2. 5.2. Lift the front cover (1) while sliding the cover over the crankshaft (2).
    3. 5.3. Slide the front cover towards the engine block (5) while keeping the cover raised.
    4. 5.4. Lower the cover down over the dowel pin (4), allowing the front cover to rest on the sealant (3).
    Fig 2: Installing Engine Front Cover
    G01675601Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.