Chevrolet 1977 light duty truck, Service Manual

Page: 262 / 861

Fig. 3 B -103 -Tilt Colum n S h ift In d ica to r Light
yoke pinch bolt and torque to specifications. The
pinch bolt must pass through the shaft undercut.
3.
Position and attach the lower clam p m ounting
bracket to the firewall. Locate the steering column
protrussions against the toe p a n bracket while at the
same time, aligning protrusion in brake an d clutch pedal
support with index slot in the steering column, as shown
in Figure 3B-89. Install the column to bracket clam p and
torque the clam p bolt to specifications.
N O T E : T he toe p a n bracket must not override the
p rotrusions on the steering column.
4. Position the steering column to dhas panel
bracket, install the attaching bolts and torque to
specifications.
5. If plastic spacers were used on the flexible
coupling alig n m en t pins, remove the spacers after all
bolts have been properly torqued.
6. Install the seal at the toe pan and then install
the toe p a n bracket screws; torque to specifications.
7. Install the dash panel trim plate (if so
equipped).
8. C onnect the transm ission shift linkage on
column shift models.
9. All C olum ns - Connect the directional signal
w iring harness.
S ta n d a rd Colum n with Automatic Transm ission -
C onnect the conductor tube (for transm ission
indicator) at the instrum ent panel (fig. 3B-102).
10. Install ste e rin g w heel as o u tlin e d u n d e r
"S tee rin g W heel-Installation".
11. C onnect battery ground cable.
M an d a to ry Installation S equ ence-G Series
CAUTION: See C A U T IO N on page I o f this
section regarding the fa sten ers referred to in
steps 3 a n d 10.
1. Adjust the column lower bearing preload by
applying a force on the steering wheel end o f the
steering shaft (A). Position the spring and clam p to
m ain ta in the dimension as shown in Figure 3B-38.
2. Install the plastic spacers onto the flexible
coupling alignm ent pins.
3. F ro m inside the vehicle, carefully insert the
lower end o f the column through the toe p a n opening
guiding the steering shaft flange onto the flexible
coupling. Install and torque the glange to coupling bolts.
4. Locate the index slot in the column jacket with
the protrusion on the clutch and brake pedal support.
5. Loosely install the column dash bracket and
screws.
6. Push the column down until the steering shaft
flange bottoms on the plastic spacers on the flexible
coupling and then torque the dash bracket screws.
7. Remove the plastic spacer from the alignm ent
pins using a wire hook. Check the rag jo in t to steering
shaft flange clearance (.25" to .325"), if not within
specifications, the dash bracket screws must be loosened
and the column raised or lowered as required. Retorque
the bracket screws.
CAUTION: The alignment p in plastic spacers
must be rem oved before the vehicle can be
driven.
8. Push the tow pan seal to the toe pan, install and
torque the m ounting screws.
9. All Columns Connect the directional signal
switch wiring harness.
A utomatic Columns-Connect the conductor tube (for
transm ission indicator) to the instrum ent panel.
10. Install the steering wheel as outlined und er
"S teering Wheel Installation".
11. Connect the transmission linkage.
12. Connect the battery ground cable.
S TEER IN G LIN K A G E
CAUTION: See C A U T IO N on page 1 o f this
section regarding all fasteners referred to in
servicing steering linkage components.
Tie Rods
Removal
1. Raise vehicle on hoist.
2. Remove cotter pins from ball studs and remove
castellated nuts.
3. To remove outer ball stud, tap on steering arm
at tie rod end with a h a m m e r while using a heavy
h a m m e r or sim ilar tool as a backing (fig. 3B-105).
4. Remove in n e r ball stud from relay rod using
same procedure as described in Step 3.
5. To remove tire rod ends from tie rod, loosen
clamp bolts and unscrew end assemblies.
Installation
CAUTION: See the C A U T IO N on page I o f
this section regarding the fa sten ers referred to
in steps 4 and 6.
NOTE: Tie rod adjuster com ponents often become
rusted in service. In such cases, it is recom m ended