Mustang GT V8-4.6L SOHC VIN X (1998)
2. From the back of the heater control, remove the illumination bulbs by twisting counterclockwise.
INSTALLATION
1. Follow removal procedure in reverse order.
Climate Control Assembly Switch Knobs
REMOVAL
1. To remove any of the three control knobs on the heater control, grasp and pull rearward.
NOTE: Do not pry the knob off its shaft. Damage to the surface of the heater control assembly bezel may result.
2. If the D-shaped spring clip which sits inside the back end of knob remains on shaft when knob is pulled off, remove it with needlenose pliers and
install on knob.
INSTALLATION
1. To install knob, align its keyed surface with mating surface on shaft. Press knob forward until fully seated in heater control.
Climate Control Switches
REMOVAL
1. Remove climate control assembly.
2. Remove knob.
3. Disconnect wire connector from heater blower motor switch or wire connector and vacuum bundle from function selector switch.
4. Remove retaining screw and heater blower motor switch or function selector switch.
INSTALLATION
1. Position heater blower motor switch or function selector switch on heater control. Make sure retaining tabs on heater blower motor switch or
function selector switch are engaged in slots. Install retaining screw.
2. Connect wire connector to heater blower motor switch or wire connector and vacuum bundle to function selector switch.
3. Install knob.
4. Install heater control as an assembly in instrument panel.
5. Check system for proper operation.
Function Control Switch
REMOVAL
1. Remove climate control assembly.
2. Remove knob.
3. Disconnect vacuum bundle and electrical connector.
4. Remove retaining screw.
5. Remove A/C-heater function selector switch.
INSTALLATION
1. Follow removal procedure in reverse order.
Switch Knobs
REMOVAL
1. To remove any of the three control knobs on the A/C control, grasp and pull rearward.
NOTE: Do not pry the knob off its shaft. Damage to the surface of the air conditioner control assembly bezel may result.
2. If the D-shaped spring clip that sits inside the back end of knob remains on shaft when knob is pulled off, remove it with needlenose pliers and
install on knob.
INSTALLATION
1. To install knob, align its keyed surface with mating surface on shaft. Press knob forward until fully seated in A/C control.
