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 421 (STEERING WHEEL AND STEERING COLUMN)REPAIR INSTRUCTIONSINTERMEDIATE STEERING SHAFT 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 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Position the intermediate steering shaft (1). Insert the shaft fully into the pinch bolt pot joint on the steering column.
CAUTION: Refer to FASTENER NOTICE .
Install the intermediate shaft upper pinch bolt (2).
Tighten

Tighten the pinch bolt (2) to 47 N.m (35 lb ft).
Reposition the seal as needed.
Install the left IP sound insulator. Refer to CLOSEOUT/INSULATOR PANEL REPLACEMENT -- LEFT .
Raise the vehicle.
Install the intermediate shaft to the steering gear.
Install the intermediate shaft lower pinch bolt.
Tighten

Tighten the pinch bolt to 47 N.m (35 lb ft).

Fig 1: Installing Intermediate Steering Shaft
Courtesy of GENERAL MOTORS CORP.
Lower the vehicle.
Remove the J 42640 from the steering column.

Fig 2: Removing J 42640
Courtesy 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.