Shock Absorber; Stabilizer Bar; Wheel Hub/Rotor Assembly - GMC G Service Manual

ON-VEHICLE SERVICE: FOUR WHEEL DRIVE

SHOCK ABSORBER

M
Remove or Disconnect (Figures 44
through 46)
• Raise the vehicle on a hoist.
1. Nut (212), washer (213) and bolt (219).
2. Shock absorber (220) from the frame.
5. Nut (212), washer (213) and bolt (225).
4. Shock absorber (220) from the axle.
• Quad shocks (RPO Z75) have a spacer (246)
between them (figure 46).
Lu
Inspect
• Shock absorbers for damage and leaking.
• Test the shock absorbers. Refer to "Shock Absorber
Bench Test" in this section.
K H Install or Connect (Figures 44 and 45)
NOTICE: For steps 2 and 4, see " Notice" on page
3C-1 of this section.
1. Shock absorber (220) to the axle.
2. Bolt (225), washer (213) and nut (212).
• Spacer (246) must be positioned between the
shock absorbers (220) on vehicles with quad
shocks (RPO Z75) (Figure 46).
H O Tighten
• Nut (212) to 88 N-m (65 ft. lbs.).
• Nut (212) to 120 N*m (89 ft. lbs.) on quad
shocks (RPO Z75).
3. Shock absorber (220) to the frame.
4. Bolt (219), washer (213) and nut (212).
H Q Tighten
• Nut (212) to 88 N»m (65 ft. lbs.).
• Lower the vehicle to the floor.

STABILIZER BAR

M Remove or Disconnect (Figures 44, 45
• Raise the vehicle on a hoist.
1. Nuts (231), washers (232), brackets (233) and bolts
(238) (figure 44).
2. Stabilizer bar (230) from frame brackets (237).
3. Bolts (229) and washers (228).
4. Stabilizer bar (230) from spring plate (224).
5. Bushings (234) from the stabilizer bar.
FRONT SUSPENSION
FRONT SUSPENSION 3C-43
H Install or Connect (Figures 44, 45 and 47)
1. Bushings (234) onto the stabilizer bar.
• Use rubber lubricant when installing the bush­
ings (slit faces forward) on the stabilizer bar.
2. Stabilizer bar (230) to frame brackets (237).
3. Brackets (233), bolts (238), washers (232) and nuts
(231) (figure 44).
• Do not tighten.
4. Stabilizer bar (230) to spring plate (224).
NOTICE: See "Notice" on page 3C-1 of this
section.
5. Washers (228) and bolts (229) (figure 47).
H I Tighten
• Nuts (231) to 70 N«m (52 ft. lbs.).
• Bolts (229) to 180 N«m (133 ft. lbs.).
• Lower the vehicle.

WHEEL HUB/ROTOR ASSEMBLY

M R em ove^^D^sconnect (Figures 44, 45, 48,
Tools Required:
J 6893-D Wheel Bearing Nut Wrench
(V10/1500-20/2500 Models)
J 23446 Torque Wrench Adapter
J 26878-A Wheel Bearing Nut Wrench
(V30/3500 Models)
• Raise the vehicle and support it with suitable safety
stands.
1. Wheel and tire assembly.
2. Caliper.
• Refer to HYDRAULIC FOUNDATION BRAKES
(SEC. 5A2).
3. Locking hub assembly (249).
• Refer to FRONT DRIVING AXLE (SEC. 4C).
4. Lock nut (250), ring (251) and adjusting nut (252).
• Use J 6893-D for V10/1500-20/2500 models
(figure 48).
• Use J 26878-A for V30/3500 models (figure 48).
5. Hub/rotor assembly (257).
• Outer wheel bearing (253) will slide off the spin­
dle (265) ahead of the hub/rotor (257).
• Use a brass drift and hammer for the seal (260)
and races (254 and 258).
• The inner bearing (259) and race (258) are
behind the seal (260).