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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 719 (ENGINE MECHANICAL - 3.8L (UNIT REPAIR))REPAIR INSTRUCTIONSCAMSHAFT REMOVAL
1999 GMC Forward Control 5.7 R, Automatic

Camshaft Removal

1999 GMC Forward Control 5.7 R, AutomaticSECTION Camshaft Removal
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the camshaft thrust plate screws.
  2. Remove the camshaft thrust plate.
    Fig 1: Camshaft Thrust Plate & Screws
    G01703555Courtesy of GENERAL MOTORS CORP.
  3. Install one 1/2-20 x 6.0 inch bolt in the camshaft front bolt hole.
    Fig 2: Install 1/2-20 X 6.0" Bolt In Camshaft Front Bolt Hole
    G01703556Courtesy of GENERAL MOTORS CORP.

    Important:  All camshaft journals are the same diameter, so care must be used in removing the camshaft to avoid damage to the bearings.

  4. Carefully rotate and pull the camshaft out of the bearings.
    Fig 3: Rotate & Remove Camshaft
    G01703557Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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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.