Removal and installation
1. Disconnect the negative battery cable.
2. Remove the four screws and lower panel from the steering column.
3. Remove ashtray and radio/heater trim (see Chapter 37 of this Section, Item 7).
4. Remove the glove compartment lid and front panel as described in Chapter 33 of this Section.
5. Carefully remove the buttons from the heater control levers (see photo).
39.5. Removing the heater control lever
6. Remove the two mounting screws and remove the front heater control panel (see photos).
39.6A. Removing Heater Faceplate Screws (the other is marked with an arrow) ...
39.6V....removing the front panel
7. Disconnect the control cables from the heater and inlet box. release the outer cable clamps and disconnect the inner ends of the cable from the ends of the control lever (see photo).
39.7. Air intake control lever cable (A), temperature control lever cable (IN), heater fan resistance (WITH)
8. Remove the screws securing the edges and pull out the heater control panel (see photos), until the fan switch wires can be disconnected. Remove the cables, noting where they are located.
39.8A. Remove the mounting screws along the edges...
39.8V....to remove the heater panel assembly
9. To disconnect the cables from the control panel, remove the brackets and pull them out of the brackets (see photo).
39.9. The control cables are attached to the heater with metal brackets
10. Assembly is carried out in reverse order.
Adjustment
11. First remove the lower part of the instrument panel and the glove box parts as described above. Please note that access is extremely limited and it would be helpful to have a small mirror and a good flashlight. Using the seat position adjusters, move the front seats all the way back.
12. To adjust the fan and heater damper rods on the right side of the heater, first disconnect the air regulator cable from the side rod (see point 7 above).
As shown in Fig. 11.27, disconnect the damper rods to the rear of the side link, push both damper levers completely down and turn the side link all the way counterclockwise. Keep the levers and side rods in this position while the rods are replaced; first the lower rod, then the upper one.
Pic. 11.27. Adjusting the fan damper control rod
14. As shown in Fig. 11.28, disconnect the heater damper rod above the side rod, push the damper lever forward and turn the side rod clockwise until it stops. Hold the lever and rod in this position while the rods are replaced.
Pic. 11.28. Adjusting the heater damper control rod
15. Connect the cable of the air regulator lever to the side rod. Move the regulator lever to the position as shown in Fig. 11.29, turn the side rod all the way clockwise and then pull out the cable, remove the play before fastening it to the bracket.
Pic. 11.29. Adjusting the air control cable
16. To regulate the temperature, first disconnect the cable from the air damper rod on the left side of the heater (see point 7 above).
17. As shown in Fig. 11.30, disconnect the rod (1) from the air damper lever. Turn the choke control lever all the way in the direction shown and pull the rod until its end engages with the rod (2); at this point the spring should be compressed by 2 mm. Reconnect the control rod (1) with air damper control lever.
Pic. 11.30. Adjustment of water flow control
18. Connect the cable of the temperature control lever to the choke lever, move the temperature control lever to the maximum 'Hot' (hot) and turn the air damper control lever all the way, in the direction shown in Fig. 11.31. Strip the cable insulation to eliminate play before securing it.
Pic. 11.31. Adjusting the temperature control lever cable
19. To adjust the air flow control lever cable, turn the lever to the 'repeat' position, squeeze it out as shown in Fig. 11.32, then strip the cable insulation to remove any play before securing it (see photo).
Pic. 11.32. Adjusting the air intake lever control cable
39.19. The end of the cable for the air intake control lever in the intake box
20. Finally, check that all controls are operating properly before installing the heater bezel and controls, glove compartment parts, radio/heater and ashtray trim, and lower portion of the dash.