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 725 (MANUAL TRANSMISSION -- TREMEC 6-SPEED)REPAIR INSTRUCTIONSSHIFT CONTROL BOOT 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 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Shift Control Boot, Shift Control Lever & IP Accessory Trim Plate

Courtesy of GENERAL MOTORS CORP.

Install the shift control boot over the shift control lever.

Fig 2: Locking The Boot Retaining Tabs

Courtesy of GENERAL MOTORS CORP.

Align the shift control boot to the I/P accessory trim plate opening, then press to lock the boot retaining tabs.
Adjust the shape of the boot for appearance, if necessary.

Fig 3: Removing Gear Shift Knob

Courtesy of GENERAL MOTORS CORP.

Screw the shift control knob onto the shift control lever until the knob bottoms out.

Fig 4: Shift Control Knob Retainer, Shift Control Knob Button

Courtesy of GENERAL MOTORS CORP.

Unscrew the shift control knob just enough to align the retainer slot with the slot on the shift control lever.
Install the shift control knob retainer (1) into the slots and seat fully.
Install the shift control knob button.

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.