SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 800 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSCOOLING FAN REPLACEMENT - ELECTRICINSTALLATION 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 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the cooling fan shroud.
    Fig 1: Installing Cooling Fan Shroud & Bolts
    G01969599Courtesy of GENERAL MOTORS CORP.
  2. Install the cooling fan shroud clip to the top of the radiator. Apply pressure in order to completely engage the clip onto the radiator.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the cooling fan shroud bolts.

    Tighten 

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

  4. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  5. Install the push pin retainer to the lower left side of the fan shroud.
  6. Install the transmission oil cooler lines on to the retainer at the bottom of the cooling fan shroud.
  7. Lower the vehicle.
  8. Install the fan motor heat shields.
  9. Install the radiator upper support brackets and bolts that hold the fan shroud.

    Tighten 

    Tighten the bolts to 10 N.m (89 lb in).

    Fig 2: Installing Radiator Upper Support Brackets, Heat Shields & Cooling Fan Shroud
    G01969600Courtesy of GENERAL MOTORS CORP.
  10. Connect the cooling fan electrical connector.
  11. Install the radiator inlet hose to the radiator.
  12. Install the air cleaner and duct assembly. Refer to
  13. Install the left front fender upper diagonal brace. Refer to BRACE REPLACEMENT - FRONT FENDER UPPER DIAGONAL in Body Front End.
  14. Install the PCM harness on to the fan shroud clip.
  15. Install the LH and RH engine mount strut braces. Refer to ENGINE MOUNT STRUT REPLACEMENT in Engine Mechanical - 3.1L  or ENGINE MOUNT STRUT REPLACEMENT - RIGHT and ENGINE MOUNT STRUT REPLACEMENT - LEFT in Engine Mechanical -3.8L.
    Fig 3: Connecting Cooling Fan Electrical Connector
    G01969601Courtesy of GENERAL MOTORS CORP.
  16. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
  17. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Battery.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.