Hi,
Repair is really based on condition of what is left. This is an important component which must be strong. Can you take a few pics of what you are dealing with so I can see?
I'm going to provide directions for removal and install of the control arm I'm adding them so you have the procedure and torques specs.
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2003 GMC Truck Envoy 2WD L6-4.2L VIN S
Rear Axle Upper Control Arm Replacement
Vehicle Steering and Suspension Suspension Control Arm Service and Repair Procedures Rear Suspension Rear Axle Upper Control Arm Replacement
REAR AXLE UPPER CONTROL ARM REPLACEMENT
Rear Axle Upper Control Arm Replacement
Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel.
3. Remove the wheelhouse panel.
Pic 1
4. Raise and support the rear axle at the designed D - height.
5. If equipped with air suspension, Repressurize the air suspension system.
6. If equipped with air suspension, disconnect the air suspension leveling sensor link from the rear axle upper control arm.
Pic 2
7. Remove the rear axle upper control arm to axle mounting bolt and nut.
Pic 3
8. Remove the rear axle upper control arm to frame mounting bolt.
9. Remove the rear axle upper control arm.
Installation Procedure
pic 4
1. Install the rear axle upper control arm.
2. Install the rear axle upper control arm to frame mounting bolt.
Notice: Refer to Fastener Notice in Service Precautions.
Pic 5
3. Install the rear axle upper control arm to axle mounting nut and bolt.
Tighten the rear axle upper control arm mounting bolts to 130.5 Nm (96 ft. Lbs.).
4. If equipped with air suspension, connect the air suspension leveling sensor link to the rear axle upper control arm.
Pic 6
5. Remove the rear axle support.
6. Install the wheelhouse panel.
7. Install the tire and wheel.
8. Lower the vehicle.
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I will watch for your pictures.
Take care,
Joe
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Monday, March 9th, 2020 AT 8:25 PM