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384-20
1977 PONTIAC SERVICE MANUAL
LOCK
Fig.
384-46
Actuator Rod
2. Refer to HOUSING (Tilt-Away)-Installation-Steps
1-
8.
3. With lock cylinder in "ACC" position, insert small
screwdriver or awl into hole in switch and move sliding
portion of switch until switch hole is positioned as shown in
Fig. 3B4-45.
4. Fit the actuator rod into the slider hole and loosely
assemble to the column with two screws. Lightly push the
switch down the column (away from the steering wheel), to
take out lash in the actuator rod, and torque mounting screw
to 35 in. lbs.
NOTE: Care should be exercised to prevent moving the
switch out of "ACC" detent. Use only the correct switch
mounting screws.
5. Raise column into approximate position and loosely
install nuts "A" and "B". While holding column up and
rearward, torque nuts "A" and "B" to 25 ft. lbs. Torque bolts
(No. 2) to 60 in. lbs. and toe-pan screws to 45 in. lbs. (Figs.
3B4-2 through 3B4-6).
6. Install trim cap or lower panel on lower portion of
instrument panel. Install toe-pan trim cover.
7. Connect negative battery cable.
DIMMER SWITCH ADJUSTMENT OR
REPLACEMENT (B SERIES)
Removal
1. Disconnect negative cable from battery.
2. Remove instrument panel lower trim cap or lower
trim panel.
3. Remove toe-pan cover bolts (Fig. 3B4-2).
4. Remove the two nuts "A" and "B" from bracket
assembly (Fig. 3B4-2) and lower column until column rests
on (protected) front seat cushion.
5. If adjusting, loosen dimmer switch screw; if replacing
dimmer switch, remove screw (Fig. 3B4-47), then dimmer
switch. Tape rod to column and separate dimmer switch from
rod by pulling.
Installation
1. If replacing dimmer switch, install new switch by
pushing switch on rod and install screw. To adjust, depress
dimmer switch slightly to install 3/32" drill to lock switch
I
Fig.
384-47
Removing Dimmer Switch
to body (Fig. 3B4-48). Force switch up to remove lash
between switch and pivot. Tighten upper dimmer switch
screw to 35 in. lbs. and remove tape from actuator rod.
Remove drill and check dimmer switch function by actuating
lever; if tilt column check function in full up, down and center
tilt positions.
Fig.
384-48
Adjusting Dimmer Switch
2. Install nuts "A" and "B", torque to 25 ft. lbs. (Fig.
384-2).
3. Install toe-pan cover bolts and torque to 45 in. lbs.
4. Install instrument panel lower trim cap or lower trim
panel.
5. Connect negative cable to battery.
TILT-AWAY COLUMN WITH DIMMER
SWITCH
Dimmer Switch Linkage and Pivot
Removal
1. Refer to "TURN SIGNAL SWITCH" (Tilt-Away)-
Removal-Steps 1-6.
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