Shock Absorber Replacement 4500, 5500 w/Stud Type Shocks
                    
Removal Procedure
Note: If a shock absorber is faulty, replace the complete unit. Refer to 
Suspension Strut and Shock Absorber Testing - On Vehicle.
- Set the parking brake.
 
- Block the front and rear wheels.
 
- Remove the upper nut, washer and the insulator.
 
- Remove the shock absorber from the upper bracket.
 
- Remove the lower nut, washer, and the insulator.
 
- Remove the shock absorber from the lower mounting bracket.
 
Installation Procedure
- Install the washer and insulator onto the upper and lower shock absorber if it was removed.
 
- Install the shock absorber to the lower mounting bracket.
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the insulator, washer, and the nut.
 
Tighten
Tighten the lower shock absorber nut to 85 N·m (63 lb ft).
- Install the shock absorber to the upper bracket.
 
- Install the upper insulator, washer, and the nut.
 
Tighten
Tighten the upper shock absorber nut to 85 N·m (63 lb ft).
                            Shock Absorber Replacement Haulmaxx Suspension
                    
Callout 
 | Component Name 
 | 
Preliminary ProcedureBlock the front and rear wheels to prevent vehicle movement. 
 | 
1 
 | Rear Shock Lower Nut 
Caution: Refer to Fastener Caution in the Preface section. 
Tip Remove the lower shock nuts from the equalizing beam. 
Tighten 108 N·m (80 lb ft)  | 
2 
 | Rear Shock Washer 
Tip Remove the lower shock washers from the shock stud.  | 
3 
 | Rear Shock Insulator 
Tip Remove the shock insulator form the shock stud.  | 
4 
 | Rear Shock Upper Nut 
Tip Remove the rear shock upper nut from the upper frame bracket. 
Tighten 217 N·m (160 lb ft)  | 
5 
 | Rear Shock Upper Bolt 
Tip Remove the rear shock upper bolt from the frame bracket.  | 
6 
 | Rear Shock 
Tip Remove the shock from the vehicle.  | 
                            Shock Absorber Replacement 6500, 7500, 8500
                    
Removal Procedure
Note: If a shock absorber is faulty, replace the complete unit. Refer to 
Suspension Strut and Shock Absorber Testing - On Vehicle.
- Set the parking brake.
 
- Block the front and rear wheels.
 
- Remove the upper nut and the washer.
 
- Remove the shock absorber from the crossmember.
 
- Remove the lower nut and the washer.
 
- Remove the shock absorber from the lower mounting bracket.
 
Installation Procedure
- Install the shock absorber to the lower mounting bracket.
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the washer and the nut.
 
Tighten
Tighten the lower shock absorber nut to 85 N·m (63 lb ft).
- Install the shock absorber to the crossmember.
 
- Install the upper washer and the nut.
 
Tighten
Tighten the upper shock absorber nut to 85 N·m (63 lb ft).
                            Shock Absorber Replacement 6500, 7500, 8500 w/LO-PRO
                    
Removal Procedure
Note: If a shock absorber is faulty, replace the complete unit. Refer to 
Suspension Strut and Shock Absorber Testing - On Vehicle.
- Set the parking brake.
 
- Block the front and rear wheels.
 
- Remove the upper nut and the washer.
 
- Remove the shock absorber from the crossmember.
 
- Remove the lower nut and the washer.
 
- Remove the shock absorber from the lower mounting bracket.
 
Installation Procedure
- Install the shock absorber to the lower mounting bracket.
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the washer and the nut.
 
Tighten
Tighten the lower shock absorber nut to 85 N·m (63 lb ft).
- Install the shock absorber to the crossmember.
 
- Install the upper washer and the nut.
 
Tighten
Tighten the upper shock absorber nut to 85 N·m (63 lb ft).
                            Shock Absorber Replacement 4500, 5500 w/Bolt Type Shocks
                    
Removal Procedure
Note: If a shock absorber is faulty, replace the complete unit. Refer to 
Suspension Strut and Shock Absorber Testing - On Vehicle.
- Set the parking brake.
 
- Block the front and rear wheels.
 
- Remove the upper nut and washer.
 
- Remove the shock absorber from the upper bracket.
 
- Remove the lower nut and the washer.
 
- Remove the shock absorber from the axle.
 
Installation Procedure
- Install the shock absorber to the axle.
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the bolt and the nut.
 
Tighten
Tighten the lower shock absorber nut to 85 N·m (63 lb ft).
- Install the shock absorber to the upper bracket.
 
- Install the upper washer and the nut.
 
Tighten
Tighten the upper shock absorber nut to 85 N·m (63 lb ft).