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)23 · Heating and ventilation
23 · Heating & A/C

Heater unit

Make
Land Rover
Model
Defender 90 Workshop Manual (NAS)
Section
Repair › Heater unit
Heating and ventilationHeater unit

HEATER UNIT

Heater unit

Service repair no - 80.20.01

Remove

  1. Remove bonnet and disconnect battery.
  2. Remove radiator bottom hose at radiator union and drain cooling system. See COOLING SYSTEM, Adjustment, Drain and refill
  3. Remove sealing rubber.

For heater matrix removal. See Heater matrix For blower motor removal. See Blower motor

Refit

  1. Smear a NEW sealing rubber with a suitable
  2. Manoeuvre heater unit into position in engine
  3. Slacken clips and disconnect heater hoses at heater box unions.
  4. Remove outer cable securing clips. 15. Loosely fit lower fixing bolts to heater unit .
  5. Slacken trunnions and disconnect control cables 16. Fully tighten upper fixing bolts followed by the from heater vent flap levers.
  6. Remove heater wiring harness securing loop. 17. Refit interior bulkhead trim.
  7. Disconnect harness multi-plug. 18. Secure wiring harness and reconnect multi-plug.
  8. Remove interior bulkhead trim. 19. Fit control cables to vent flap trunnions and
  9. Remove lower nuts and bolts securing the heater unit to the bulkhead. If air conditioning is 20. Connect heater hoses. fitted, remove evaporator. See AIR 21. Fit radiator bottom hose and refill cooling CONDITIONING, Repair, Evaporator
  10. Slacken heater unit upper retaining bolts.
  11. Manoeuvre heater unit, complete with blower 22. If air conditioning is installed, fit evaporator. motor, clear of air inlet duct and remove from engine compartment. 23. Fit bonnet and reconnect battery.

impact adhesive and fit to heater unit.

compartment, fit blower motor to air inlet duct and locate upper fixing bolts.

lower fixings.

secure with outer cable clips.

system. See COOLING SYSTEM, Adjustment, Drain and refill See AIR CONDITIONING, Repair, Evaporator

Parts & tools for this job For Land Rover Defender

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