
Control Arms (Rear) Explanation

Fig 1

Fig 2
REAR LOWER CONTROL ARM DESCRIPTION
The lower suspension arms are steel and use bushings at each end of the arm. The arms are mounted from the frame to the axle brackets.
REAR LOWER CONTROL ARM OPERATION
The bushings isolate axle and road noise. The arm and bushings provide location and react to loads from the axle.
REAR LOWER CONTROL ARM REMOVAL
2. Remove the tire and wheel assembly.
3. Remove the lower suspension arm nut and bolt at the axle bracket (Fig. 1, 2) #4.
4. Remove the flag nut and bolt (Fig. 1, 2) #4 at the frame rail mount and remove the lower suspension arm #3.
REAR LOWER CONTROL ARM INSTALLATION
1. Position the lower suspension arm (Fig. 1, 2) #3 in the axle bracket and frame rail mount.
2. Install the frame mounting bolt (Fig. 1, 2) #4 finger tight.
3. Install the axle mounting bolt (Fig. 1, 2) #4 and nut at the axle bracket finger tight.
4. Remove the supports and lower the vehicle.
5. Tighten the lower suspension arm bolts to 159 N.m (117 ft. lbs.) with vehicle weight.
REAR UPPER CONTROL ARM DESCRIPTION
The Upper suspension arms are steel and use bushings at each end of the arm. The arms are mounted from the frame to the axle brackets.
REAR UPPER CONTROL ARM OPERATION
The bushings isolate axle and road noise. The arm and bushings provide location and react to loads from the axle.
REAR UPPER CONTROL ARM REMOVAL
1. Raise and support the vehicle.
2. Remove the tire and wheel assembly.
3. Remove the upper suspension arm flag nut and bolt at the axle bracket.
4. Remove the flag nut and bolt (Fig. 1, 2) #1 at the frame rail mount and remove the upper suspension arm #2.
REAR UPPER CONTROL ARM INSTALLATION
NOTE: Position the paint dot located on the control arm toward the axle and facing outboard. If paint dot is not visible, the bend should point inboard, and the short end should attach to the axle side.
1. Position the upper suspension arm (Fig. 1, 2) #2 in the axle bracket and frame rail mount.
2. Install the mounting bolt (Fig. 1, 2) #1 and finger tighten.
3. Remove the supports and lower the vehicle.
4. Tighten the upper suspension arm bolts to 159 N.m (117 ft. lbs.) with vehicle weight.