GMC 1986 P-Truck Service Manual page 302

3C-16 FRONT SUSPENSION
WHEEL HUB BOLT
Remove or Disconnect (Figures 5 through 8,
and 13)
Tools Required:
J-9746-02 Hub/Rotor Support
1. Hub/rotor from the vehicle.
• Refer to " Wheel Hub, Bearing and Race" in
this section.
NOTICE: Place J-9746-02 between the press
bars and the hub/rotor to protect the rotor
surfaces.
2. Wheel hub bolts (74) with a press.
• Support the hub/rotor (81) using J-9746-02
and press bars (figure 13).
• Do not damage the wheel mounting surface
on the hub/rotor flange.
r»+| Install or connect (Figures 5 through 8, and
14)
NOTICE: Refer to the "Notice" on page 3C#1
of this section.
1. Wheel hub bolts (74) into the hub/rotor (81).
• Place four washers onto the bolt, then
fasten a nut onto the bolt until the nut
bottoms on the washers (figure 14).
• Tighten the nut until the bolt fully seats into
the hub/rotor (81).
• Remove the nut and washers.
2. Hub/rotor to the vehicle.
• Refer to " Wheel Hub, Bearing and Race,"
in this section.
3. Wheel and tire assembly. Lower the vehicle.
STEERING KNUCKLE
+ + Remove or Disconnect (Figures 5 through 8,
15 and 16)
Tools Required:
J-23742 Ball Joint Separator
Im portant
It is recommended that the vehicle be raised and
supported as on a twin-post hoist so that the front
coil spring remains compressed, yet the wheel
and s te e rin g k n u c k le
accessible. If a frame hoist is used, support the
lower control arm with an adjustable jackstand to
safely retain the spring in its curb height position.
Wheel and tire assembly.
a sse m b ly rem ain
A. Press Bars
Figure 13—Pressing The Hub Bolt Out
2. Caliper.
• Refer to BRAKES (SEC. 5).
3. Hub/Rotor (81).
• Refer to " Wheel Hub, Bearing and Race,"
in this section.
4. Splash shield (71).
• Bolts (83) and washers (84).
• Gaskets (85).
5. Steering knuckle from the tie rod end.
• Refer to STEERING LINKAGE (SEC. 3B1).
6. Steering knuckle (70) from the upper ball joint
(13).
A. Washers
B. Nut
81. Hub/Rotor
Figure 14—Installing The Wheel Hub Bolts
J-9746
F-00036