GMC 1982 Light Duty Truck Service Manual page 384

3D -2 REAR SUSPENSION
Fig. 3D-2--Typical G-Truck Rear Suspension
SHOCK ABSORBERS
Replacement
Refer to Figs. 3D-4 through 3D-8 for specific vehicle
mounting provisions.
1. Raise vehicle on hoist, and support rear axle.
2. At the upper m ounting location, disconnect shock
absorber by removing nut and washers shown, and bolt
on G-models.
3. At the lower mounting location, remove nut, washers
and bolt as shown.
4. Remove shock absorbers from vehicle.
Fig. 3D -4-Shock Absorber-C K-10, CK-20 (03, 06)
COMPONENT PARTS REPLACEMENT
Fig. 3D-3--Typical P-30 H.D. Truck Rear Suspension
5. To install shock absorber, place into position and
reattach at upper mounting location. Be sure to install
nuts and washers as shown.
6. Align lower end of shock absorber with axle bracket,
and install bolt, washers and nut, as shown.
7. Tighten nuts to specifications.
NOTICE: See N O T I C E on page 1 of this section
regarding shock absorber fasteners.
8. Lower vehicle and remove from hoist.
Fig. 3D-5--Shock A bsorber-CK-20 (43), CK30