Workshop Manuals Factory service & repair Land Rover
01 02 AMENDMENT INSTRUCTION SHEET03 INTRODUCTION04 GENERAL SPECIFICATION DATA05 ENGINE TUNING DATA06 GENERAL FITTING REMINDERS07 MAINTENANCE08 ENGINE09 FUEL SYSTEM10 COOLING SYSTEM11 MANIFOLD AND EXHAUST SYSTEM12 CLUTCH13 MANUAL GEARBOX14 TRANSFER GEARBOX15 PROPELLER SHAFTS16 REAR AXLE AND FINAL DRIVE17 FRONT AXLE AND FINAL DRIVE18 STEERING19 FRONT SUSPENSION20 REAR SUSPENSION21 BRAKES22 WHEELS AND TYRES23 CHASSIS AND BODY24 HEATING AND VENTILATION25 AIR CONDITIONING26 WIPERS AND WASHERS27 ELECTRICAL28 INSTRUMENTS
Land Rover 300Tdi Defender25 · AIR CONDITIONING
25 · Heating & A/C

HEATER/COOLER UNIT - LH DRIVE (page 2 of 2)

Make
Land Rover
Model
Defender 300Tdi Defender
AIR CONDITIONINGHEATER/COOLER UNIT - LH DRIVE · page 2 of 2
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82

AIR CONDITIONING

6

REPAIR

9. Remove plug connector from resistor.

10. Remove relay from connecting block to gain

access to fixing screw.

11. Remove screw and release relay connector

block. Retain relay in connector block.

12. Remove screw and detach air conditioning 30

amp fuse bracket from resistor. Refit both
resistor retaining screws.

13. Using suitable pipe clamps, clamp heater matrix

feed and return hoses at base of heater/cooler
unit. Release retaining clips and remove hoses.

14. From inside vehicle remove front passenger

carpet, if fitted.

15. Remove retaining screws and fold back footwell

insulation.

16. Remove 2 bolts securing heater/cooler unit lower

mounting bracket to bulkhead.

17. From inside engine compartment remove 2 bolts

securing top heater/cooler unit mounting bracket
to engine bulkhead. This also releases earthing
leads.

18. Remove bolt securing support bracket to front of

heater/cooler casing.

19. Lift heater/cooler unit clear of air duct seal and

remove from vehicle.

20. Discard all pipe connection ’O’ rings.

Refit

21. Coat unions, threads and new ’O’ rings with

refrigerant oil prior to reassembly.

22. Position heater/cooler unit in engine

compartment and locate with air duct seal.

23. Secure unit top and bottom mounting brackets to

bulkhead and support bracket to front of unit
casing. Fully tighten fixing bolts when unit is
correctly positioned.

24. Fit footwell insulation.
25. Reconnect heater matrix hoses.
26. Fit air conditioning fuse bracket, relay connector

block, relay and resistor plug connector.

27. Fit control cable to evaporator air flap operating

rod, using a new clip.

28. Fit pipe connector to vacuum switch.
29. Connect compressor clutch switch multi-plug.
30. Connect high and low pressure pipes to

evaporator.

31. Fit expansion tank

See COOLING SYSTEM,

Repair, Expansion tank.

32. Evacuate and recharge air conditioning system

See Adjustment, Refrigerant recovery,
recycling, recharging.

33. Reconnect battery.

Parts & tools for this job For Land Rover Defender

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