Heater control unit
1. Disconnect the negative battery cable (chapter 5 paragraph 1).
2. Remove the ashtray (see chapter 11) and pull out the cigarette lighter bezel. Remove all screws securing the central console and slide it back.
3. Then remove the radio/cassette player (chapter 12).
Release models up to and including 1996
4. Pull out the cassette storage box located under the radio/cassette player.
5. Pull out the trim of the heater/radio control unit. To do this, release it from the three clips that secure the upper edge of the edging, and then pull it forward.
6. Remove the handles of the heater control unit. Remove the screw securing the heater control unit on each of its edges (see fig. 10.6). Pull the control box out of the front panel.
7. Disconnect the wiring harnesses and vacuum hoses, remembering their position, from the rear of the unit. On models without an air conditioning system, unhook the control cable from the temperature control unit (see Fig. 10.7, a, b).
8. Pull out the block, making sure that everything you need is disconnected from it.
Release models since 1997
9. Remove two screws (one from each end) inside radio/cassette player opening (see fig. 10.9).
10. Pull out the edging of the heater/radio control unit. To do this, release it from the three clips that secure the upper edge of the edging, and then pull it forward.
11. Disconnect the wiring harnesses and vacuum hoses, remembering their position, from the rear of the unit. On models without an air conditioning system, unhook the control cable from the temperature control unit (see fig. 10.11, a, b).
12. Pull out the block, making sure that everything you need is disconnected from it.
Blower/A/C control unit and temperature control unit
Withdrawal
13. Remove the heater control unit (see above).
14. Remove the handle if you haven't already. Loosen the screw and pull out the block by turning it (see fig.10.14,a,b).
15. Installation - in the reverse order of removal. Finally, check the operation of the control unit.
Air distribution control unit
16. Remove the heater control unit (see above).
17. Remove the handle if you have not already removed it. Using two thin screwdrivers, release the latches on each side of the air distribution control unit, and then pull it out (see fig.10,17,a-c).
18. Installation - in the reverse order of removal. Finally, check the operation of the control unit.
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