How to inspect and replace control arm ball joints?

To inspect the control arm ball joints for looseness, separate them and try turning the ball stud in its socket by hand. If it is loose or can be turned, the ball joint needs to be replaced. Next, raise the front of the vehicle and support it securely on jack stands under the frame rails. Place a floor jack under the lower control arm and slightly raise it, ensuring the floor jack is not under the steering knuckle. Check for looseness in the front wheel bearings. For 4WD models, set up a dial indicator to measure the vertical movement of the wheel. Insert a pry bar between the lower control arm and the wheel bearing outer race, prying them apart and noting the reading on the dial indicator. If it exceeds 0.125-inch, replace the ball joint. When removing the ball joint, remove the lower control arm for the lower ball joint or the steering knuckle for the upper ball joint. Take the control arm or steering knuckle to have the old ball joint pressed out and the new one pressed in. Finally, install the control arm or steering knuckle and have the front-end alignment checked and adjusted if necessary.

Genuine Chevrolet Trailblazer Ball Joint

Control Arm Joint

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Chevrolet Trailblazer Stud Kit,Front Lower Control Arm Ball
Part Number: 19133670
$75.03 MSRP: $130.58
You Save: $55.55 (43%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: STUD, Steering Knuckle Lower Control Arm Pivot; Lower Ball Joint
- Position: Front Lower
- Replaces: 22157319
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2009 Chevrolet Trailblazer | 4 DOOR, 4 DOOR EXT | 6 Cyl 4.2L, 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Trailblazer Stud Kit,Front Upper Control Arm Ball
Part Number: 19133638
$84.55 MSRP: $139.94
You Save: $55.39 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: STUD, Steering Knuckle Upper Control Arm; Upper Ball Joint
- Position: Front Upper
- Replaces: 22157320
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2009 Chevrolet Trailblazer | 4 DOOR, 4 DOOR EXT | 6 Cyl 4.2L, 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Trailblazer Joint Assembly, Ctr Piv Ball
Part Number: 42726528
$42.54 MSRP: $66.92
You Save: $24.38 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Joint, Lower Link
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2025 Chevrolet Trailblazer | 4 DOOR EXT, LEVEL II 4 DOOR EXTENDED, LEVEL III 4DOOR EXTENDED, LEVEL IV 4 DOOR EXTENDED, LEVEL V 4 DOOR EXTENDED | 3 Cyl 1.2L, 3 Cyl 1.3L

Chevrolet Trailblazer Ball Joint

This assembly is part of the Chevrolet Trailblazer's suspension assemblies where the control arms link to the steering knuckles. These Ball Joints permit free rotation of the joint in two planes while preventing translation thereby improving vehicle control and stability. In the Trailblazer's Ball Joint generally a bearing stud and socket are covered by a rubber boot to ensure that there is no debris and partial protection of lubricants. For instance, loaded joints and unloaded joints' functions in the suspension system are different, although still associated with ball joints; the former helps support the vehicles while the latter helps maintain orientation. This calls for replacement thus signs that indicate that ball joints are worn include noise, uneven wear of the tires, misalignment and steering. Also, performance ball joints which are adjustable are made available to help cater for any changes that may be encountered in the vehicle's suspension geometry in order to maintain the optimal operating clearance that can hardly be affected by friction.

Each OEM Chevrolet Trailblazer Ball Joint we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Trailblazer Ball Joint Parts Questions & Experts Answers

Stud Kit,Front Upper Control Arm Ball
19133638
Q: How to inspect and replace control arm ball joints?
A: To inspect the Control Arm ball joints for looseness, separate them and try turning the ball stud in its socket by hand. If it is loose or can be turned, the ball joint needs to be replaced. Next, raise the front of the vehicle and support it securely on jack stands under the frame rails. Place a floor jack under the lower control arm and slightly raise it, ensuring the floor jack is not under the Steering Knuckle. Check for looseness in the front wheel bearings. For 4WD models, set up a dial indicator to measure the vertical movement of the wheel. Insert a pry bar between the lower control arm and the wheel bearing outer race, prying them apart and noting the reading on the dial indicator. If it exceeds 0.125-inch, replace the ball joint. When removing the ball joint, remove the lower control arm for the lower ball joint or the steering knuckle for the upper ball joint. Take the control arm or steering knuckle to have the old ball joint pressed out and the new one pressed in. Finally, install the control arm or steering knuckle and have the front-end alignment checked and adjusted if necessary.