Operation CHARM: Car repair manuals for everyone.

**Suspension Arm Installation

1. Raise and support the vehicle.

2. On one side of the vehicle, remove the lower suspension arm nut, cam, and cam bolt from the axle.

3. Remove the nut and bolt from the frame rail bracket and remove the lower suspension arm.

4. Position the new lower suspension arm (p/n 4886170AA) at the axle bracket and the frame rail bracket.

5. Install the rear bolt and finger tighten the nut.

6. Install the cam bolt, cam, and nut in the axle end of the suspension arm and tighten the nut finger tight.

7. Remove the upper suspension arm nut and bolt at the axle bracket.

8. Remove the nut and bolt at the frame rail and remove the upper suspension arm.

9. Position the new upper suspension arm (p/n 4886166AA) at the axle and frame rail.

10. Install the bolts and finger tighten the nuts.

11. Perform steps 2 through 10 on the other side of the vehicle.

12. Remove all supports and lower the vehicle.

NOTE:
FINAL TORQUE ON ALL FASTENERS SHOULD BE WITH THE VEHICLE AT CURB HEIGHT WITH THE WEIGHT OF THE VEHICLE ON THE TIRES.

13. Tighten the frame end of the upper suspension arm bolts to 84 Nm (62 ft. lbs.) of torque for vehicles with a wax coat frame and 108 Nm (80 ft. lbs.) of torque for vehicles with a E-coat frame.

14. Tighten the axle end of the upper suspension arm bolts to 121 Nm (89 ft. lbs.) of torque.

15. Tighten the frame end of the lower suspension arm bolts to 122 Nm (90 ft. lbs.) of torque for vehicles with a wax coat frame and 170 Nm (125 ft. lbs.) of torque for vehicles with a E-coat frame.

16. Tighten the axle end of the lower suspension arm bolts to 129 Nm (95 ft. lbs.) of torque.

17. Perform an alignment on the vehicle with the revised suspension arms installed as outline in "CORRECTING FOR FRONT CASTER/CAMBER" and in "CORRECTING FOR TOE."

NOTE:
SET CASTER/CAMBER AND TOE TO THE PREFERRED SETTINGS WHEN ALIGNING THE VEHICLE.

18. Road test the vehicle to insure that drift is now corrected.

NOTE:
CUSTOMERS SHOULD BE MADE AWARE THAT THE USE OF THE NEW SUSPENSION ARMS MAY REDUCE THE RIDE QUALITY OF THE VEHICLE.**

POLICY: Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:

Labor Operation No: 05-01-01-90 3.6 Hrs.
Includes Road Test, Brake System Evaluation,
Steering and Suspension Inspection, and
Steering Geometry Evaluation (Alignments)

05-01-01-91 0.7 Hrs.
Correcting Thrust Angle

05-01-01-92 1.9 Hrs.
Install Alignment Sleeves

Optional Equipment: **22-01-01-90** 0.2 Hrs.
Dual Rear Wheels

Additional Repairs As Required:

02-10-10-90 1.7 Hrs.
Perform Ball Joint Tightening Sequence

02-10-10-91 3.0 Hrs.
Replace Ball Joints and Perform Tightening
Sequence

22-45-02-91 0.6 Hrs.
Install 3.5 mm Shim On Opposite Side Of Drift
And Road Test

22-45-02-92 0.6 Hrs.
Remove 3.5 mm Shim And Install 5.0 mm Shim
And Road Test

22-45-02-93 1.6 Hrs.
Remove 5.0 mm Shim, Replace Wheel Studs, Install
6.5 mm Shim, And Road Test On 1500 Series Trucks

22-45-02-94 2.0 Hrs.
Remove 5.0 mm Shim, Replace Wheel Studs, Install
6.5 mm Shim, And Road Test On 2500/3500 Series
Trucks With Single Rear Wheels

22-45-02-95 1.5 Hrs.
Remove 5.0 mm Shim, Replace Wheel Studs, Install
6.5 mm Shim, And Road Test On 2500/3500 Series
Trucks With Dual Rear Wheels

**02-10-76-94 2.6 Hrs.
Replace upper and lower suspension arms, align
the front suspension, and road test**

FAILURE CODE: XX - Service Adjustment