Replace ball joints Chevy Silverado GMC Sierra 1999-2011

Introduction

This tutorial provides a detailed, step-by-step guide on how to replace ball joints in a 1999-2011 Chevy Silverado or GMC Sierra. Proper maintenance of ball joints is crucial for vehicle safety and handling. This guide will help you successfully remove and install both upper and lower ball joints.

Step 1: Remove the Brakes and Steering Knuckle

1. Remove Caliper and Bracket

   • Use an 18mm socket to remove the bolts holding the caliper.
   • Detach the mounting bracket and rotor.
   • If the rotor is stuck, tap it gently between the lug studs.

2. Access the Axle Nut

   • Remove the cap covering the axle nut for access.

3. Detach Wheel Speed Sensor

   • Remove the 10mm bolt securing the wheel speed sensor.
   • Carefully unclip the sensor from its brackets.

4. Remove Ball Joint Nuts

   • Loosen the nuts on the upper and lower ball joints and tie rod. Leave a few threads on the lower ball joint to prevent it from falling.

5. Separate Ball Joints

   • Hammer on the knuckle near the ball joint to release it. If it doesn't budge, use a punch and hammer on the axle to push it out.

Step 2: Press Out Old Ball Joints

1. Prepare for Ball Joint Removal

   • Use snap ring pliers to remove snap rings securing the ball joints.

2. Set Up the Ball Joint Press

   • Grease the threads of the ball joint press. Align it to press the lower ball joint out.
   • If it resists, use a socket and hammer to knock it out.

3. Press in Upper Ball Joint

   • For the upper ball joint, ensure the notch faces outward. Set it up to press upward until it is flush.

Step 3: Install New Ball Joints

1. Install the Lower Ball Joint

   • Insert the new lower ball joint and ensure the snap ring is in place.
   • Make sure the grease fitting is facing outward.

2. Install the Upper Ball Joint

   • Repeat the process for the upper ball joint, ensuring proper orientation and securing it with a snap ring.

Step 4: Reassemble Steering Knuckle

1. Reattach the Steering Knuckle

   • Lift the steering knuckle into place, guiding the axle through the lower ball joint first.
   • Thread the lower ball joint nut on a few turns, then grease the splines for easier fitting.

2. Align Upper Ball Joint

   • Align the upper ball joint stud with the steering knuckle. Use a floor jack to lift the lower control arm if needed.

3. Tighten Ball Joint Nuts

   • Torque the lower ball joint nut to 94 ft-lbs.
   • Reattach the tie rod and torque it appropriately.

Step 5: Final Assembly

1. Reattach Axle Nut

   • Install the washer and axle nut, torquing it to 177 ft-lbs.

2. Secure Everything

   • Attach cotter keys to the ball joints and tie rod. Ensure all components are tight.

3. Reinstall Brakes

   • Put the rotor back on, reattach the mounting bracket, and caliper. Secure with 18mm bolts.

4. Reconnect Wheel Speed Sensor

   • Clip the speed sensor back into place and secure with its 10mm bolt.

Conclusion

Replacing ball joints is a crucial maintenance task that enhances vehicle safety and performance. Remember to use proper torque specifications, grease fittings, and check other components while you're at it. If you encounter difficulties, don't hesitate to consult a professional. With these steps, you should be able to successfully complete your ball joint replacement.