GMC 4000 Series Service Manual page 487

Sec. 9A
Page 476
MECHANICAL STEERING
PRESSURE
CHECKING
GAUGE
RETURN
HOSE
Figure 10— Steering W heel Removal (Typical)
(J-21091) may be used on twin lock-type connector.
If not available, two sm all thin screwdrivers may
be inserted at each side of connector to relieve
tension on lock tabs. Thin screwdriver may also
be used on blade-type connector to accomplish
removal of terminal.
NOTE: Before removing wires from connector,
w ires should be tagged, and numbered in relation to
the holes in which they are to be re-inserted in
connector. If doubt exists as to proper location of
w ires in connector, see appropriate Wiring Dia­
grams booklet.
STEERING WHEEL REPLACEMENT
(Refer to Figure 16)
Removal
1. Disconnect directional signal switch har­
ness from chassis wiring harness connector.
2. Set front wheels in straight-ahead position;
then pry horn button cap (13) and retainer (12)
from steering wheel.
3. Remove steering wheel locking nut (11) and
washer.
4. Using puller (J-2927-01), remove steering
wheel (fig. 10). It may be necessary to tap on bolt
head of tool with a hammer as it is tured down to
loosen a tight steering wheel.
Installation
NOTE: Front wheels must be in straight ahead
position and directional signal control assembly
must be in neutral position when installing steer­
ing wheel.
G M C S E R V I C E M A N U A L
PRESSURE HOSE S
IGAUGE
VALVE
HYDRAULIC
PUMP
steering wheel, position wheel on steering shaft
with spokes of wheel in a horizontal position. On
vehicles equipped with a three-spoke wheel, posi­
tion wheel on shaft with lower spoke of steering
wheel in vertical position. Line up cut-out portion
of horn receiver cup with mark on steering shaft
as shown in figure 15.
nut on steering shaft. Tighten nut to torque listed
in "Specifications" at end of this section.
BOOT
'CLAM P Y O K E
W O R M SHAFT
S T E E R IN G G E A R
D R A G LINK
Figure 11 — Steering Gear and Lower Shaft Installed
1. On vehicles equipped with a two-spoke
2. Tap steering wheel gently into place.
3. Install washer and steering wheel locking
C LAM P
SLIP Y O K E
LUBRICATION
FITTING
A L IG N M E N T
M A R K S
PITM AN
A R M