How to service and repair the front lower control arm on GMC C2500?

To start working on the front lower Control Arm, you should raise and support the vehicle. Get rid of the tire and wheel assembly. If the car has it, remove the link rod between the sensor and real time damping (RTD) system from the sensor. Then, disconnect the shock absorber, the front stabilizer shaft link and the front coil spring. Following that, undo the nuts and washers for the lower Control Arm on cars that have a 15 series lower Control Arm (15 Series) and remove the lower Control Arm bolts on all vehicles. After that, take out the lower Control Arm nuts and washers (for the 25 Series) and the lower Control Arm bolts (25 Series only). Take out the stud nut from the lower ball joint and unhook the ball joint stud from the Steering Knuckle using (J 43631). When you have removed the driver's lower Control Arm, insert the new lower Control Arm and connect the ball joint stud to the Steering Knuckle, also making sure to put on and tighten the nut to 100 nm (74 ft. Lbs.). First, fix the front coil spring, then install and tighten the Control Arm bolts (15 Series) and finish the assembly by tightening the Control Arm nuts and washers (15 Series) to 145 nm (107 ft. Lbs.). Place the lower Control Arm Bolt (25 Series) and the lower Control Arm nuts and washers (25 Series) and screw them on with a torque of 145 nm (107 ft. Lbs.). Install the front stabilizer shaft link again and put on the shock absorber before you install the tire and wheel assembly. In the end, take out the safety stands, lower the vehicle and inspect the wheel alignment.

OEM GMC C2500 Control Arm

Suspension Arm

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34 Control Arms found

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GMC C2500 Lower Control Arm, Passenger Side
Part Number: 12470402
$1.67 MSRP: $2.61
You Save: $0.94 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Arm Kit, Steering Knuckle Upper & Lower Control; Control Arm
- Position: Passenger Side
- Replaced by: 15529829
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Control Arm, Driver Side
Part Number: 12470401
$1.67 MSRP: $2.61
You Save: $0.94 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Kit, Steering Knuckle Upper & Lower Control; Control Arm
- Position: Driver Side
- Replaced by: 15529829
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Upper Control Arm, Front Driver Side
Part Number: 12376163
$228.94 MSRP: $360.23
You Save: $131.29 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Kit, Front Upper Control (Left-Hand); Control Arm; Arm Kit, Steering Knuckle Upper & Lower Control
- Position: Front Upper Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1999, 1988-1991 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Upper Control Arm, Passenger Side
Part Number: 12383506
Product Specifications
- Other Name: Suspension Control Arm and Ball Joint Assembly; Control Arm Assembly; Arm Kit, Steering Knuckle Upper & Lower Control; Control Arm
- Position: Upper Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Control Arm, Front Passenger Side
Part Number: 15665553
Product Specifications
- Other Name: Arm Kit, Front Lower Control; Control Arm; Arm Kit, Steering Knuckle Upper & Lower Control
- Position: Front Lower Passenger Side
- Replaced by: 15992480
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1996 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Shaft, Driver Side
Part Number: 338235
Product Specifications
- Other Name: Shaft Unit - Steering Knuckle Lower Control Arm - Left-Hand; Control Arm Shaft Kit; Control Arm Bushing; Lower Control Arm Shaft; includes bushings and shaft kit.
- Position: Lower Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Upper Control Arm, Driver Side
Part Number: 12383505
Product Specifications
- Other Name: Suspension Control Arm and Ball Joint Assembly; Control Arm Assembly; Arm Kit, Steering Knuckle Upper & Lower Control; Arm, Steering Knuckle Upper & Lower Control; Control Arm
- Position: Upper Driver Side
- Replaces: 15665561, 14026579
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Shaft
Part Number: 3901038
Product Specifications
- Other Name: Shaft Unit-Steering Knuckle Lower Control Arm; Suspension Control Arm Kit; Control Arm Bushing.; Lower Control Arm Shaft; Shaft; Bushings; Shaft, Steering Knuckle Lower Control Arm
- Position: Lower
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Shaft, Driver Side
Part Number: 14019921
Product Specifications
- Other Name: Shaft Kit, Steering Knuckle Lower Control Arm; Control Arm Shaft Kit; Control Arm Bushing; Shaft; Bushings; Shaft Unit, Steering Knuckle Lower Control Arm
- Position: Lower Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990, 1984-1986 GMC C2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SLE, Sierra SLX | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Shaft, Passenger Side
Part Number: 14019922
Product Specifications
- Other Name: Shaft Kit, Steering Knuckle Lower Control Arm; Control Arm Shaft Kit; Control Arm Bushing; Shaft; Bushings
- Position: Lower Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990, 1984-1986 GMC C2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SLE, Sierra SLX | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Upper Control Arm, Passenger Side
Part Number: 12388432
Product Specifications
- Other Name: Suspension Control Arm and Ball Joint Assembly; Control Arm Assembly; Arm Kit, Steering Knuckle Upper & Lower Control; Control Arm
- Position: Upper Passenger Side
- Replaces: 15665176, 15665187
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1996 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Upper Control Arm, Driver Side
Part Number: 12388431
Product Specifications
- Other Name: Suspension Control Arm and Ball Joint Assembly; Control Arm Assembly; Arm Kit, Steering Knuckle Upper & Lower Control; Control Arm
- Position: Upper Driver Side
- Replaces: 15665186
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1996 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Upper Control Arm, Front Driver Side
Part Number: 12383507
Product Specifications
- Other Name: Arm Kit, Front Upper Control (Left-Hand); Control Arm; Arm Kit, Steering Knuckle Upper & Lower Control; Arm, Steering Knuckle Upper & Lower Control
- Position: Front Upper Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Shaft, Passenger Side
Part Number: 338236
Product Specifications
- Other Name: Shaft Unit - Steering Knuckle Lower Control Arm - Right-Hand; Control Arm Shaft Kit; Control Arm Bushing; Lower Control Arm Shaft; includes bushings and shaft kit.
- Position: Lower Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Upper Control Arm, Passenger Side
Part Number: 12376164
Product Specifications
- Other Name: Arm Kit, Steering Knuckle Upper & Lower Control; Control Arm
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1999, 1988-1991 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Upper Control Arm, Driver Side
Part Number: 12543999
Product Specifications
- Other Name: Arm Kit, Steering Knuckle & Control Arm Assembly with Ball Joint.
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-2000 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Upper Control Arm, Passenger Side
Part Number: 12544000
Product Specifications
- Other Name: Arm Kit, Steering Knuckle & Control Arm Assembly with Ball Joint.
- Position: Passenger Side
- Replaces: 15634918
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-2000 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Control Arm, Driver Side
Part Number: 15006607
Product Specifications
- Other Name: Arm, Steering Knuckle Control Arm and Ball Joint Assembly; Suspension Control Arm Assembly.
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Control Arm, Passenger Side
Part Number: 15006608
Product Specifications
- Other Name: Arm, Steering Knuckle Control Arm and Ball Joint Assembly; Suspension Control Arm Assembly.
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C2500 Lower Control Arm
Part Number: 15988034
Product Specifications
- Other Name: Arm, Steering Knuckle Upper & Lower Control; Control Arm
- Position: Front Lower
- Replaces: 15594134, 12548332
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1996 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS

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GMC C2500 Control Arm

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GMC C2500 Control Arm Parts Questions & Experts Answers

Lower Control Arm, Driver Side
12470401
Q: How to service and repair the front lower control arm on GMC C2500?
A: To start working on the front lower Control Arm, you should raise and support the vehicle. Get rid of the tire and wheel assembly. If the car has it, remove the link rod between the sensor and real time damping (RTD) system from the sensor. Then, disconnect the shock absorber, the front stabilizer shaft link and the front coil spring. Following that, undo the nuts and washers for the lower Control Arm on cars that have a 15 series lower Control Arm (15 Series) and remove the lower Control Arm bolts on all vehicles. After that, take out the lower Control Arm nuts and washers (for the 25 Series) and the lower Control Arm bolts (25 Series only). Take out the stud nut from the lower ball joint and unhook the ball joint stud from the Steering Knuckle using (J 43631). When you have removed the driver's lower Control Arm, insert the new lower Control Arm and connect the ball joint stud to the Steering Knuckle, also making sure to put on and tighten the nut to 100 nm (74 ft. Lbs.). First, fix the front coil spring, then install and tighten the Control Arm bolts (15 Series) and finish the assembly by tightening the Control Arm nuts and washers (15 Series) to 145 nm (107 ft. Lbs.). Place the lower Control Arm Bolt (25 Series) and the lower Control Arm nuts and washers (25 Series) and screw them on with a torque of 145 nm (107 ft. Lbs.). Install the front stabilizer shaft link again and put on the shock absorber before you install the tire and wheel assembly. In the end, take out the safety stands, lower the vehicle and inspect the wheel alignment.

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