Control Assembly; Control Cables - Chevrolet 1974 Light Duty Truck Service Manual

1A-8 HEATER AND AIR CO NDITIONING
LEFT
DISTRIBUTOR
DUCT

CONTROL ASSEMBLY

C-K Models
Replacement (Fig. 10)
1. Disconnect the battery ground cable.
2. Remove the instrument panel bezel.
3. Disconnect the bowden cables and the blower
switch wiring harness.
Be careful not to kink the bowden
CAUTION:
cables.
4. Remove the control through the opening above the
control.
5. If a new unit is being installed, transfer the blower
switch to the new unit.
6. To reinstall, reverse Steps 1-4 above.
G Models
Replacement (Fig. 11)
1. Disconnect the battery ground cable.
2. Remove the ignition switch from the instrument
panel (see Section 12 of this manual).
3. Remove the control to instrument panel mounting
Fig. 8-Distributor Ducts-G Models
screws and carefully lower the control far enough to
gain access to the bowden cable attachments.
CAUTION:
kinking the bowden cables while lowering the
control.
4. Disconnect the three bowden cables, the control
illumination bulb, the blower switch connector and
remove the control from the vehicle.
5. Remove the blower switch screws and remove the
blower switch.
6. To install, reverse Steps 1-5 above.

CONTROL CABLES

C-K Models
Replacement
1. Disconnect the battery ground cable.
2. Remove the instrument panel bezel.
3. Remove the control to instrument panel screws.
4. Raise or lower control as necessary to remove cable
push nuts and tab attaching screws.
5. Remove glove box and door as an assembly.
6. Remove cable push nut and tab attaching screw at
door end of cable.
HEATER
CORE
CASE
Care should be taken to prevent
LIGHT DUTY TRUCK SERVICE MANUAL