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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 880 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSFAN SHROUD REPLACEMENTINSTALLATION PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Installation Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the heat shields to the cooling fan shroud.
    Fig 1: Installing Heat Shields To Cooling Fan Shroud
    G01500990Courtesy of GENERAL MOTORS CORP.
  2. Install the fan motors to the cooling fan shroud.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the screws to the cooling fan motor.

    Tighten 

    Tighten the screws to 6 N.m (53 lb. in).

  4. Connect the cooling fan motor electrical connectors.
    Fig 2: Installing Cooling Fan Motor And Bolts
    G01500991Courtesy of GENERAL MOTORS CORP.
  5. Install the cooling fans to the shroud.

    Important:  Turn the cooling fan nuts counterclockwise to tighten.

  6. Install the cooling fan nuts.

    Tighten 

    Tighten the nuts to 6 N.m (53 lb. in).

  7. Install the cooling fan assembly including the shroud. Refer to COOLING FAN REPLACEMENT - ELECTRIC  .
Fig 3: Installing Cooling Fan Nuts And Shrouds
G01500992Courtesy 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.