Operation CHARM: Car repair manuals for everyone.

Repair Information:




Repair Information: 1. Replacing fan switch knob or light bulb:

Pull off fan switch knob. Some force is required because of locking tabs.

Pull light bulb straight out, do not turn. To ease removal, a piece of plastic hose with 4 mm inner diameter can be pushed over bulb (Figure 2).
Repair Information (cont.): 2. Replacing push switches and illumination bulbs:

The complete air regulation control unit must be removed from the dash.



a. Removing air regulator assembly
- pull off all switch and slide control knobs
- disengage black face plate with screwdriver (Figure 3).
- remove the four mounting screws (two at each side), pull air regulator control outward and disengage electrical plugs.



b. Removing rear housing
- remove nut (10 mm wrench size) located behind temperature knob.
- disengage housing with use of small screwdriver (Figures 4 & 5).
Important: Disengage locking tabs on short side first.

Disengage locking tabs with small screwdriver and, at the same time, push clear face plate away from housing to prevent reengagement of locking tabs (Figure 4). Then disengage locking tabs on long sides (Figure 5).



Repair Information (cont.): c. Removing clear face plate to replace push switches and bulbs:
- two brackets (Figure 6, Arrow A) are engaged in locking tabs on the fan switch (Figure 6, Arrow B).



- to remove, use small scribe or similar tool to push back brackets and disengage clear face plate (Figure 7).

Note: Be certain to avoid stressing the temperature potentiometer during removal of the clear face plate.
d. The push switches can now be disengaged and bulbs can be pulled out.

During assembly, make sure all locking tabs are properly engaged.