Dimmer Switch Assembly - Disassemble; Dimmer Switch Assembly - Assemble - GMC chervolet camaro 1999 Service Manual

2·88 Steering Wheel and Column - Tilt
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393978
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Steering
Dimmer Switch Assembly - Disassemble
Disassembly Procedure
Tools Required
• J 42640 Steering Column Anti Rotation Pin
• J 41352 Modular Column Holding Fixture
1. Insert the steering column and J 41352
into a vise.
2. Insert J 42640 into the column.
3. Remove the hexagon washer head tapping
screw (1) from the dimmer switch assembly (3).
4. Remove the washer head screw (2) from the
dimmer switch assembly (3).
5. Remove the dimmer switch rod from the dimmer
switch assembly (3).
6. Remove the dimmer switch assembly (3) from the
ignition switch assembly (4).
7. Remove the dimmer switch assembly (3) from the
vehicle wire harness.
Dimmer Switch Assembly - Assemble
Assembly Procedure
Tools Required
• J 42640 Steering Column Anti Rotation Pin
• J 41352 Modular Column Holding Fixture
1. Install the dimmer switch assembly (3) to tl'le
ignition switch assembly (4).
(
2. Install the hexagon washer head tapping screw (1) (
to the dimmer switch assembly (3).
3. Tighten the hexagon washer head tapping
screw (1) finger tight.
4. Install the washer head screw (2) to the dimmer
switch assembly (3).
5. Tighten the washer head screw (2) finger tight.
6. Insert the dimmer switch rod into the slot on
the dimmer switch assembly (3).
7. Adjust the dimmer switch assembly following
these steps:
7.1. Install a 3/32 inch drill bit into the hole (1)
on the dimmer switch assembly to
limit travel.
7.2. Position the dimmer switch assembly onto
the column and push it against the dimmer
switch actuator rod to remove all the lash.
7 .3. Remove the drill bit.