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 501 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSLOWER BALL JOINT REPLACEMENT (4WD)INSTALLATION 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 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

Install the lower ball joint to the lower control arm.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the lower ball joint retaining bolts and the nuts.
Tighten

Tighten the lower ball joint retaining nuts to 23 N.m (17 lb ft).
Install the wheel drive shaft. Refer to WHEEL DRIVE SHAFT REPLACEMENT in Wheel Drive Shafts.
Load the torsion bar. Refer to TORSION BAR AND SUPPORT ASSEMBLY REPLACEMENT .
Install the tire and the wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.

Fig 1: Installing Lower Ball Joint To Lower Control Arm
Courtesy of GENERAL MOTORS CORP.
Lower the vehicle.
Check the front wheel alignment. Refer to MEASURING WHEEL ALIGNMENT in Wheel Alignment.

Fig 2: Adjusting Front Wheel Bearings
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.