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GMC ZE06581 1976 Maintenance Manual Supplement page 38

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the crossmember . (Refer to figure 17 .) . Tap
crossmember forward enough to engage bar
into arm.
6. Repeat step 5 for the other side of the
vehicle .
7 . Position
crossmember
to
its
normal
position . Torsion bars should be through and
flush with rear face of the adjusting arm. If
torsion bar is not flush with rear face of
adjusting arm, repeat steps . 5 and 6 after
pulling torsion bar slightly out from the lower
control arm .
NOTE : There must always be 3/16" to 1/4"
clearance between the rear end of the
torsion bar and the rear inside face of
support crossmember .
8. Install torsion bar retainer over each
insulator on crossmember support.
Torque
nuts (torsion bar retainer bolt nuts) . (See
figure 1 .) See Specifications at the end of this
section for torque value.
RIDE HEIGHT
When checking front ride height, have the
vehicle parked on a known level surface, and
tire pressure at specified psi.
NOTE :
For details on adjusting rear ride
height
refer
to
Section
4,
REAR
SUSPENSION .
If vehicle is equipped with
the optional Electro-Level System, be sure
power level control switches for right and
left hand side of vehicle are in "OFF"
position .
Set center switch to "TRAVEL
AUTO" position prior to adjusting front ride
height .
Measurements must be taken from the top
ALIGNMENT AND RIDE HEIGHT
FRONT
24 3/8"
FRAME
GROUND LEVEL
FRONT RIDE HEIGHT 13 1/8" ± 1/4"
23' MODEL
40 3/8"
26' MODEL
56 3/8"
REAR RIDE HEIGHT 11 11/16" ±
1/4"
A-3985
Figure 21-Vehicle Ride Height
FRONT SUSPENSION 3A-i9
9. Reposition
and connect exhaust pipe
hanger to crossmember and tighten saddle and
"U" clamp.
Torque U-clamp bolt nuts .
See
Specifications at the end of this section for
torque value .
10 . Position Tool J-22517-02 over cross-
member, installing pin of tool into hole in
crossmember. Install two nuts on tool, install
center screw.
11 . Turn center screw until adjusting arm is
in a position to allow installation of adjusting
nut. See figure 20 .
12 . Install nut and turn adjusting bolt the
recorded number of turns to obtain previous
ride height.
13 . Turn
center
screw
until
torsion
is
completely relaxed .
Remove tool and repeat
steps 10, 11, 12, 13 on the opposite side .
14. Lower hoist .
15 . If ride height requires adjustment, refer
to "RIDE HEIGHT," Sec . 3A, Maintenance
Manual X-7525 .
of oval hole in the frame rail to the floor
(figure 21) .
NOTE: Never attempt to increase the ride
height of the vehicle using the adjusting bolt
only (figure 22). The bolt will turn but will
strip threads and will necessitate replace-
ment of the bolt. Always use special tool .
RIDE HEIGHT ADJUSTMENT (Figure 21)
NOTE: Tool J-22517-02 (shown in figure 20)
must be used the reset ride height. This tool
will raise or lower the torsion bar rear
anchor arm so that the adjusting bolt in not
loaded .

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