Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 551 (BODY REAR END)REPAIR INSTRUCTIONSLIFTGATE APPLIQUE 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 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Install the backup lamp sockets and harness to the lift gate applique.

Fig 1: Identifying License Plate Lamp Sockets
Courtesy of GENERAL MOTORS CORP.
Install the lift gate applique lamp sockets to the lift gate applique.
Install the license plate lamp sockets to the lift gate applique.
Connect the lift gate applique electrical connector.

Fig 2: View Of Liftgate Applique Components
Courtesy of GENERAL MOTORS CORP.
Install the lift gate applique to the lift gate.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Install the lift gate applique nuts.
Tighten: Tighten the lift gate applique nuts to 10 N.m (89 lb in).
Install the wing nuts to the studs on the lift gate applique.
Hand tighten the wing nuts.
Install the lift gate trim panel access panel and engage the locking tabs. Refer to Trim Panel Replacement - Liftgate (Aztek) or Trim Panel Replacement - Liftgate (Rendezvous) .

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.