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384-28
1977 PONTIAC SERVICE MANUAL
23. Position turn signal switch in the neutral position.
NOTE: If the signal switch is not placed in "netural"
position, assembly of the cancelling cam may cause
damage to the turn signal cancel springs in the signal
switch assembly.
24. Install hazard warning knob and turn signal lever
and attaching screws.
25. Install upper bearing spring.
26. Install cancelling cam and lock plate as shown in Fig.
3B4-11.
27. Position NEW wire snap ring over Tool J 23653, then
install Tool J 23653 over shaft and tighten nut until wire snap
ring can be installed in groove in steering shaft (Fig. 3B4-12).
Remove Tool J 23653.
28. If removed, install cover on lock plate (Fig. 3B4-9).
29. Refer to STEERING COLUMN (All Series)-
Installation.
REGULAR COLUMN A N D KEY
RELEASE
CAR PROCEDURES
NOTE: All elements of energy absorbing columns are
sensitive to damage and must be handled with care. The
following procedures apply to both function locking and
key release columns except where noted (Figs. 3B4-72
and 3B4-73).
LOCK PLATE AND/OR CANCELLING
C A M (REGULAR)
Removal
1. Disconnect negative cable from battery.
2. Refer to STEERING WHEEL-Removal.
3. Lock plate cover may be removed for replacement at
this time by releasing as shown (Fig. 3B4-74).
4. Position Tool J 23131 over steering shaft and, using
steering wheel attaching nut, tighten nut until tool slightly
depresses lock plate. Pry wire snap ring from shaft and
discard (Fig. 3B4-75). Remove Tool J 23 131.
NOTE: Tool J 23653 may be used instead of Tool
J
23 13 1 . Refer to Tilt-Away column procedures for usage.
5. Remove lock plate and cancelling cam (Fig. 3B4-75).
lnstallation
1 . Install cancelling cam and lock plate aligning splines
in steering shaft with I.D. of lock plate (Fig. 384-76).
2. Position new wire snap ring over steering shaft, then
install Tool
J
23131 over shaft and tighten steering wheel
attaching nut until wire snap ring can be installed in groove
in steering shaft (Fig. 3B4-77). Remove Tool
J
23 13 1.
NOTE: Tool
J
23653 may be used instead of Tool J
23 13 1 . Refer to Tilt-Away column procedures for usage.
3. If removed, reinstall cover on lock plate.
NOTE: Cover screws must not be substituted.
4. Refer to STEERING WHEEL-Installation.
5. Connect negative battery cable.
TURN SIGNAL SWITCH (REGULAR)
Removal
1 . Disconnect negative cable from battery.
2. Refer to STEERING WHEEL-Removal.
3. Lock plate cover may be removed for replacement at
this time be releasing as shown (Fig. 3B4-74).
4. Position Tool J 23 13 1 over steering shaft and, using
steering wheel attaching nut, tighten nut until tool slightly
depresses lock plate. Pry wire snap ring from shaft and
discard (Fig. 3B4-75). Remove Tool J 231 31.
NOTE: Tool J 23653 may be used instead of Tool J
23 13 1 . Refer to Tilt-Away column procedures for usage.
5. Remove lock plate and cancelling cam (Fig. 3B4-76).
6. Remove upper bearing preload spring.
7. Position turn signal lever in the right turn position,
then remove turn signal lever attaching screw and lever (Fig.
3B4-78).
8. Push in on hazard warning knob, the remove screw
and hazard warning knob.
9. Remove the three turn signal switch attaching screws
(Fig. 3B4-78).
10. Remove instrument panel lower trim cap or lower
trim panel, then disconnect turn signal connector from
harness (Fig. 3B4-79). Lift connector from mounting bracket
on right side of jacket.
1 1 . Remove the four bolts "W", "X",
"Y"
and "Z"
attaching bracket assembly to jacket (Fig. 3B4-80).
12. All exc. H Series
-
loosen shift indicator needle
attaching screw and remove or disconnect if column shift
(automatic) equipped.
13. Remove the two nuts "A" and "B" from bracket
assembly while holding column in position, remove bracket
assembly and wire protector from turn signal wiring, then
loosely install bracket using nuts "A" and "B" to hold
column in place (Fig. 3B4-80).
14. Tape turn signal switch wires at connector keeping
wires flat and parallel, then carefully pull turn signal switch
and wiring from top end of column.
Installation
NOTE: Apply thin coat of lithium grease to all friction
parts.
1 . Install turn signal switch wiring into service wire
protector (Fig. 3B4-8 1).
2. With switch wiring taped flat at connector, carefully
guide wiring into column(Fig. 3B4-82).
3. Index switch into right turn position, then push switch
straight down until seated in cover.
NOTE: Angling or cocking of switch can cause damage
to buzzer terminal or can cause buzzer tangs to get under
terminal pads on signal switch.
4. Install switch attaching screws (3) and torque to 35
in. Ibs. (Fig. 3B4-78).
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