Question 1

How to replace the rear axle upper control arm on Chevrolet SSR?

Accepted Answer

Vehicle service starts with vehicle lift support and move forward with tire and wheel removal followed by wheelhouse liner removal. Support the rear axle at its designed height (D). First remove the rear axle upper Control Arm to axle mounting bolt and nut and rear axle upper Control Arm to frame mounting bolt followed by disconnecting the rear axle upper Control Arm. To start the installation process begin by mounting the rear axle upper Control Arm and apply a light hand-torque to the frame. Read and adhere to all guidelines found in the fastener notice of service precautions. Fasten the rear axle upper Control Arm to the axle while applying torque of 131 nm (97 ft. Lbs.) to both mounting bolts. Start by removing the rear axle support together with reinstalling the wheelhouse liner and tire and wheel before dropping the vehicle back down.

Question 2

How to replace the lower control arm on Chevrolet Malibu?

Accepted Answer

Start by elevating and stabilizing your vehicle. Then remove the wheel according to the process. Owners of vehicles with lx9 engines must detach the side transmission mount for the left Control Arm or the Engine Mount for the right Control Arm. Remove the lower Control Arm front bushing to frame bolt followed by removal of lower Control Arm rear bushing to both frame bolts and nuts. Before bolt removal from the Control Arm note its alignment to the Steering Knuckle pinch bolt and discard the pinch bolt. Separate the ball stud from the Steering Knuckle before removing the Control Arm from the vehicle along with the lower Control Arm rear bushing. Install the lower Control Arm rear bushing first before placing the Control Arm between the frame assembly and Steering Knuckle. Start by installing a new ball stud to the Steering Knuckle pinch bolt and performing just a hand tighten. Next install the lower Control Arm front bushing to the frame bolt also performing a hand tighten. The installation requires using fasteners which match the part number for each application according to their specific locations. Are you also told to avoid applying paints or using lubricants or adding corrosion inhibitors on fasteners and joint areas because these substances interfere with torque strength and clamping abilities. Weld the lower Control Arm rear bushing into position by fastening frame bolts and nuts. Secure the ball stud to Steering Knuckle pinch nut at 50 nm (37 lb ft) then rotate the nut 3/4 of a turn before achieving 50 nm (37 lb ft) torques completed with a 60-degree nut rotation. Tighten the first suspension bolt under proper jackstand conditions before setting the front bushing to frame fastener at 50 nm (37 lb ft) and an additional 90 degrees and the rear bushing to frame bolts at 50 nm (37 lb ft) and another 90 degrees. To reinstall the right lower Control Arm you should add the Engine Mount. Installation of the side transmission mount needs to be performed if the left lower Control Arm was removed during service. To finish the installation process simply install the tire and wheel and carefully lower the vehicle.

Question 3

How to replace the lower control arm (2500) on Chevrolet Tahoe?

Accepted Answer

Starting the lower Control Arm (2500) replacement requires a vehicle lift combined with tire and wheel removal. First detach the stabilizer shaft link from the lower Control Arm before you remove the torsion bars and shock absorber. Move on to unscrew the wheel drive shaft although you'll encounter two different nut designs with and without captured washers. The lower Ball Joint retaining nut requires removal using j 43631 (Ball Joint Separator) and j 45851 (Ball Joint Separator Protector Adapters) to detach the lower Ball Joint from the Steering Knuckle. First loosen the Control Arm nuts with washers from the lower end then unscrew the Control Arm bolts while extracting the Control Arm itself. Position the new lower Control Arm while you secure it with Control Arm bolts along with washers. Secure the lower Control Arm retaining nuts while applying torque to 175 nm (129 lb ft). When installing a new lower Ball Joint into the Steering Knuckle maintain a torque specification between 125 nm (92 lb ft) when it has a captured washer or 70 nm (52 lb ft) with 90 degrees additional torque if it lacks a washer. Place the wheel drive shaft with the shock absorber and torsion bars back in position. After removing the knuckle support and upper Control Arm support you can hook the stabilizer shaft link to the lower Control Arm. After reinstalling the tire and wheel you should remove supports while lowering the car and checking the front end alignment.

OEM Chevrolet Control Arm

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Chevrolet Lower Control Arm, Rear Passenger Side

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Chevrolet Upper Control Arm, Driver Side

Chevrolet Upper Control Arm, Driver Side

Chevrolet Upper Control Arm, Driver Side

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Chevrolet Lower Control Arm, Rear Driver Side

Chevrolet Control Arm Parts Questions & Experts Answers

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