Defender (1999-2002). Manual — part 121
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AIR CONDITIONING
3
REPAIR
Refit
6. Position bracket to receiver drier and tighten
clamp bolt.
7. Position receiver to chassis and tighten bolts.
8. Remove plugs from A/C pipes.
9. Lubricate new ’O’ rings with refrigerent oil.
10. Fit ’O’rings, position pipes and tighten bolts to 8
Nm (6 lbf.ft) .
11. Recharge A/C system. See Adjustment.
RELAY - TEMPERATURE CONTROL - FROM 02MY
Service repair no - 82.20.40
Remove
1. Remove front speaker from drivers side. See
ELECTRICAL, Repair.
2. Release relay from support bracket.
3. Disconnect multiplug and remove relay.
Refit
4. Connect multiplug to relay and fit relay to
bracket.
5. Fit front speaker. See ELECTRICAL, Repair.
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82
AIR CONDITIONING
4
REPAIR
EVAPORATOR
Service repair no - 82.25.20
Remove
1. Remove battery cover.
2. Recover refrigerant from A/C system. See
Adjustment.
3. Remove 2 bolts securing A/C pipes to
evaporator.
4. Release pipes and discard ’O’ rings.
CAUTION: Immediately cap all air
conditioning pipes to prevent ingress of
dirt and moisture into the system.
5. Remove 2 screws and release fuse/relay bracket
from body and collect 2 spacers.
6. Remove 8 screws securing speakers to A/C
duct.
7. Disconnect speaker Lucars and remove
speakers.
8. Remove 4 screws and bolt securing A/C duct to
fascia panel.
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AIR CONDITIONING
5
REPAIR
9. Disconnect multiplug from auxiliary relay
bracket.
10. Release drain pipe from evaporator.
11. Release evaporator from bulkhead grommet.
12. With assistance remove A/C duct assembly from
vehicle.
NOTE: Do not carry out further
dismantling if component is removed for
access only.
13. Disconnect blower motor multiplugs.
14. Remove 5 screws and remove blower unit from
A/C duct.
15. Disconnect multiplug from trinary switch.
16. Remove Allen screw, remove pipe assembly
from evaporator and discard ’O’ rings.
CAUTION: Immediately cap all air
conditioning pipes to prevent ingress of
dirt and moisture into the system.
17. Remove 7 screws and remove evaporator cover
from A/C duct.
18. Release temperature sensor and remove
evaporator.
19. Remove 2 Allen screws, remove TXV from
evaporator and discard ’O’ rings.
82
AIR CONDITIONING
6
REPAIR
Refit
20. Clean TXV and mating face.
21. Lubricate new ’O’rings with refrigerant oil and fit
’O’ rings to pipes.
22. Position TXV and tighten Allen screws.
23. Position evaporator and fit sensor.
24. Position cover and tighten screws.
25. Clean pipes and mating faces.
26. Lubricate and fit new ’O’ rings, position pipes
and tighten Allen screw.
27. Connect trinary switch multiplug.
28. Position blower unit,tighten screws and connect
multiplugs.
29. With assistance position A/C duct assembly to
vehicle.
30. Connect drain pipe to evaporator.
31. Connect multiplug to relay bracket.
32. Align A/C duct to fascia, tighten securing bolt
and screws.
33. Position speakers and connect Lucars.
34. Position relay bracket and tighten bolts.
35. Clean pipes and mating face.
36. Lubricate and fit new ’O’rings to evaporator
pipes.
37. Position pipes and tighten bolts to 6 Nm (4
lbf.ft).
38. Renew receiver drier. See this Section.
39. Recharge A/C system. See Adjustment.
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