Workshop Manuals Factory service & repair Land Rover
01 Introduction02 General specification data03 Engine tuning data04 General fitting reminders05 Lubricants, fluids and capacities06 Maintenance07 Engine08 Emission control09 Fuel system10 Cooling system11 Manifold and exhaust system12 Transfer gearbox13 Automatic gearbox14 Propeller shafts15 Rear axle and final drive16 Front axle and final drive17 Steering18 Front suspension19 Rear suspension20 Brakes21 Wheels and tyres22 Chassis and body23 Heating and ventilation24 Air conditioning25 Wipers and washers26 Electrical27 Instruments
Land Rover Defender 90 Workshop Manual (NAS)24 · Air conditioning
24 · Heating & A/C

See Adjustment, refrigerant recovery recycling recharging

Make
Land Rover
Model
Defender 90 Workshop Manual (NAS)
Section
Repair › See Adjustment, refrigerant recovery recycling recharging
Air conditioningSee Adjustment, refrigerant recovery recycling recharging
Diagram
  1. Using a backing spanner, loosen union nut and

Refit

  1. Lubricate NEW ’O’ rings with refrigerant oil and
  2. Fit expansion valve to pipe, DO NOT tighten
  3. Connect capillary tube and tighten union nut.
  4. Position capillary tube coil on low pressure pipe
  5. Remove screw securing mounting bracket flange
  6. Wrap capillary coil and union with prestite tape.

to casing.

  1. Connect high pressure pipe to expansion valve,
  2. Remove screws securing each end of blower flanges to upper casing.
  3. Remove 6 screws securing upper to lower
  4. Tighten expansion valve union nut.

casing.

  1. Position evaporator unit in lower casing, align
Position evaporator unit in lower casing, align
  1. Position upper casing, engage lower casing
  2. Tighten blower flange screws.
  3. Apply Silicone sealant to casing joint and
  4. Apply sealing tape around air duct joint.
  5. Position evaporator unit in footwell.
  6. Connect multiplugs to compressor relays and
  7. Connect Lucars (G, U, and R) to resistor unit
  8. Lift evaporator, insert pipes into aperture and
  9. Connect drain tube to pipe.
  10. Fit grommet into aperture.
  11. Remove tape sealing air duct inside casing. 43. Lubricate NEW ’O’ rings with refrigerant oil and
  12. Release tape sealing pipes to casing.
  13. Cut through sealant along casing joint and 44. Carry out a functional check. joints. gaskets. 45. Using a backing spanner, engage high pressure
  14. Ease upper from lower casing and remove upper casing. 46. Using a backing spanner, engage low pressure
  15. Lift evaporator unit from lower casing. Do not carry out further dismantling if component is 47. Fit nuts and secure evaporator casing to removed for access only.
  16. Using a backing spanner, loosen union nut from 48. Fit fascia duct bezel. pipe and remove high pressure pipe. Discard ’O’ 49. Evacuate and recharge air conditioning system. ring.
  17. Loosen clip and withdraw capillary tube coil from low pressure pipe and withdraw coil from pipe. 50. Reconnect battery negative lead.
  18. Loosen capillary tube union nut and disconnect 51. Perform leak test on disturbed joints from low pressure pipe.Discard ’O’ ring. 52. Carry out system test.

remove expansion valve from pipe. Discard ’O’ ring.

fit to pipe ends.

union nut.

and secure with clip.

carefully align with low pressure pipe and tighten union nut.

bracket and engage blower flange screws, DO NOT tighten.

flange and secure with screws. Ensure mounting bracket screw engages evaporator bracket.

insulating tape to seal pipes to casing.

secure harness ’P’ clip.

and (B) to motor.

engage mounting studs.

fit to

pipe and tighten union nut.

pipe and tighten union nut.

mounting bracket. See fascia duct bezel

See Adjustment, refrigerant recovery recycling recharging

See Adjustment, System test

Parts & tools for this job For Land Rover Defender

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