Published: 13-Mar-2018

2007.0 Range Rover Sport (LS), 412-02A

Heating and Ventilation

Heater Core - LHD AWD (G2250374)

REMOVAL AND INSTALLATION

Part(s)

StepPart nameQuantity
Installation Step 12Evaporator pipe O-ring seals2
Installation Step 19Steering column intermediate shaft nut(s)1
Removal
  1. Remove the engine cover.
  2. Evacuate the A/C system.
    Refer to: Air Conditioning System Recovery, Evacuation and Charging (412-00 Climate Control System - General Information, General Procedures).
  3. WARNING:

    Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

    Raise and support the vehicle.
  4. Drain the cooling system.
    Refer to: Cooling System Draining and Vacuum Filling (303-03A Engine Cooling - V8 S/C 4.2L Petrol, General Procedures).
  5. Remove the driver side front seat.
    Refer to: Front Row Seat (501-10 Seating, Removal and Installation).
  6. Remove the floor console.
    Refer to: Floor Console (501-12 Instrument Panel and Console, Removal and Installation).
  7. Remove the instrument panel upper section.
    Refer to: Instrument Panel Upper Section (501-12 Instrument Panel and Console, Removal and Installation).
  8. E51208
    Remove the 2 nuts. Release the 3 ground cables from the driver side lower A-pillar.
  9. E51209
    Disconnect the 5 electrical connectors from the driver side lower A-pillar.
  10. E124177
    Disconnect the 3 electrical connectors.
  11. E51210
    Remove the 2 nuts. Release the 3 ground cables from the passenger side lower A-pillar.
  12. Disconnect the 5 electrical connectors from the passenger side lower A-pillar.
  13. E124259
    Disconnect the central junction box (CJB) three electrical connectors.
  14. Disconnect 2 electrical connectors from the instrument panel center reinforcement.
  15. CAUTION:

    Cover fiber optic cable connectors to minimize dust ingress and avoid bending the cables in a radius of less than 30 mm.

    E51213
    Disconnect the electrical connector. If installed, disconnect the instrument panel center reinforcement fibre optic cables.
  16. E52188
    Remove the heater housing center ducts.
  17. E49465
    Note the fitted position. Remove the special bolt and discard the nut. Disconnect the steering column intermediate shaft from the steering column.
  18. E52189
    Remove the 7 Torx screws. Release the heater housing from the instrument panel carrier.
  19. Remove the plenum chamber panel.
    Refer to: Plenum Chamber (412-01 Air Distribution and Filtering, Removal and Installation).
  20. E51204
    Remove the instrument panel carrier to bulkhead Torx bolt.
  21. E52190
    Remove the 6 Torx bolts. With assistance, remove the instrument panel.
  22. E53901
    Disconnect both exhaust gas recirculation (EGR) coolant cross-over pipe hoses. Release the 2 clips.
  23. E55561
    Release the 2 clips. Remove the 2 bolts. Remove the EGR coolant cross-over pipe.
  24. CAUTION:

    Before disconnecting or removing the components, make sure the area around the joint faces and connections are clean. Plug open connections to prevent contamination.

    E51205
    Release the 2 clips. Disconnect 2 heater hoses from the bulkhead.
  25. CAUTION:

    Immediately cap all refrigerant lines to prevent ingress of dirt and moisture.

    E51206
    Remove the nut and bolt. Remove and discard the O-ring seals. Release the 2 A/C refrigerant lines.
  26. E51207
    Remove the 4 nuts. Remove the 2 adapter panels.
  27. E51199
    Disconnect 2 drain tubes from the heater housing.
  28. E52191
    Remove the 2 Torx screws. Remove the driver side footwell duct.
  29. E52192
    Remove the 2 Torx screws. Remove the passenger side footwell duct.
  30. E52193
    Driver side: Remove the heater housing to bulkhead Torx bolt.
  31. E52194
    Passenger side: Remove the heater housing to bulkhead Torx bolt. With assistance, remove the heater and evaporator core housing.
  32. E124178
    Remove the A/C control module.
  33. E124179
    Disconnect the evaporator core temperature sensor electrical connector.
  34. E124170
    Disconnect the electrical connector.
  35. E124175
    Detach the wiring harness.
  36. E124176
    Remove the bolt from the support bracket.
  37. E159065
    Release the 12 clips. Carefully release the 3 clips. Remove the 2 screws.
  38. E159066
    Carefully remove the heater core.
Installation
  1. Install the heater core. Carefully insert the heater core
  2. Secure the heater core housing. Install the clips.
  3. Install the wiring harness.
  4. Install and tighten the bolt.
  5. Connect the temperature sensor electrical connector.
  6. Install the CC module. Tighten the bolts.
  7. With assistance, install the heater and evaporator core housing. Passenger side: Install the heater housing to bulkhead Torx bolt.
    Torque: 6Nm
  8. Driver side: Install the heater housing to bulkhead Torx bolt.
    Torque: 6Nm
  9. Install the footwell ducts. Tighten the Torx screws.
  10. Connect the drain tubes to the heater housing.
  11. Install the adapter panels. Tighten the nuts.
    Torque: 6Nm
  12. Clean the components. Secure the A/C refrigerant lines. Install new O-ring seals. Tighten the bolt and nut.
    Renew Part: Evaporator pipe O-ring seals Quantity: 2.
    Torque
    Bolt: 5Nm
    Nut: 6Nm
  13. Connect the bulkhead heater hoses.
  14. Install the EGR coolant cross-over pipe. Tighten the bolts. Connect the hoses and secure with the clips.
    Torque: 10Nm
  15. With assistance, install the instrument panel. Tighten the Torx bolts.
    Torque: 25Nm
  16. Install the instrument panel carrier to bulkhead Torx bolt.
    Torque: 25Nm
  17. Install the plenum chamber panel.
    Refer to: Plenum Chamber (412-01 Air Distribution and Filtering, Removal and Installation).
  18. Secure the heater housing. Tighten the screws.
  19. Connect the steering column intermediate shaft. Install the special bolt and tighten the new nut.
    Renew Part: Steering column intermediate shaft nut(s) Quantity: 1.
    Torque: 22Nm
  20. Install the heater housing center ducts.
  21. Connect the instrument panel center reinforcement fibre optic cables.
  22. Connect the instrument panel center reinforcement electrical connectors.
  23. Connect the CJB electrical connectors.
  24. Connect the electrical connectors to the passenger side lower A-pillar.
  25. Connect the ground cables to the passenger side lower A-pillar. Tighten the nuts.
    Torque: 10Nm
  26. Connect the electrical connectors to the driver side lower A-pillar.
  27. Connect the ground cables to the driver side lower A-pillar. Tighten the nuts to 10 Nm (7 lb.ft).
  28. Connect the 3 electrical connectors.
  29. Install the instrument panel upper section.
    Refer to: Instrument Panel Upper Section (501-12 Instrument Panel and Console, Removal and Installation).
  30. Install the floor console.
    Refer to: Floor Console (501-12 Instrument Panel and Console, Removal and Installation).
  31. Install the front seat.
    Refer to: Front Row Seat (501-10 Seating, Removal and Installation).
  32. Recharge the A/C system.
    Refer to: Air Conditioning System Recovery, Evacuation and Charging (412-00 Climate Control System - General Information, General Procedures).
  33. Refill the cooling system.
    Refer to: Cooling System Draining and Vacuum Filling (303-03A Engine Cooling - V8 S/C 4.2L Petrol, General Procedures).
  34. Install the engine cover.