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Heating and Ventilation - Removal & Installation Land Rover Range Rover L322

Heater 40 illustrations ~1889 words

80.10.02 Controls - heater (ECU)

On high line models the automatic temperature control (ATC) ECU is an integral part of the heater controls.

If the ECU is to be replaced then Testbook/T4 must be connected and correct procedures adhered to, prior to battery disconnection.

Scheme 1

Scheme 1: Remove
Scheme 1: Remove
  1. Remove LH center console footwell closing panel. «76.25.31 CLOSING PANEL -- CENTER CONSOLE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  2. Remove RH center console footwell closing panel.
  3. Carefully release 4 clips securing heater controls to carrier, disconnect 5 multiplugs and remove.

Refit

  1. Position heater controls to carrier and connect multiplugs.
  2. Fit and secure heater controls to carrier.
  3. Fit center console footwell closing panels. «76.25.31 CLOSING PANEL -- CENTER CONSOLE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  4. Configure a new ATC ECU using T4.

Scheme 2

Scheme 2: Remove
Scheme 2: Remove
  1. Disconnect battery earth lead.
  2. Remove engine cover. «ACOUSTIC COVER -- ENGINE»(ref-158804-S20286524212005013100000)
  3. Disconnect multiplug from sensor.
  4. Release and remove pollution sensor.
  1. Fit pollution sensor and connect multiplug.
  2. Fit engine cover. «ACOUSTIC COVER -- ENGINE»(ref-158804-S20286524212005013100000)
  3. Connect battery earth lead.

Scheme 3

Scheme 3: Remove
Scheme 3: Remove
  1. LHD models: Remove glove box. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  2. RHD models: Remove RH footwell closing panel. «76.46.27 CLOSING PANEL -- PASSENGER SIDE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  3. Disconnect multiplug from motor, remove motor from heating assembly.
  1. Fit motor to heating assembly, connect multiplug.
  2. LHD models: Fit glove box. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  3. RHD models: Fit RH footwell closing panel. «76.46.27 CLOSING PANEL -- PASSENGER SIDE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)

Scheme 4

Scheme 4: Remove
Scheme 4: Remove
  1. Individually release 4 internal clips securing air vent to finisher, apply an even outward pressure until the last clip is released. Remove air vent from finisher.
  2. Disconnect air vent multiplug and remove vent from vehicle.
  1. Connect multiplug.
  2. Position air vent to finisher, align, enter and secure clips.

Scheme 5

Scheme 5: Remove
Scheme 5: Remove

Scheme 6

Scheme 6
Scheme 6
  1. Individually release 4 internal clips securing air vent to finisher, apply an even outward pressure until the last clip is released.
  2. Disconnect multiplugs and release harness from vent.
  3. Release air distribution cable from ratchet assembly and remove vent. NOTE: Do not carry out further dismantling if component is removed for access only.
  4. Remove hazard warning switch.
  1. Fit hazard warning switch.
  2. Position vent to fascia and secure cable.
  3. Connect multiplugs and secure harness to vent.
  4. Fit and secure air vent to fascia

Scheme 7

Scheme 7: Remove
Scheme 7: Remove
  1. Remove 3 screws and remove plenum intake cover.
  2. Lift flap and remove filter.
  1. Clean plenum intake.
  2. Fit new filter.
  3. Fit convert and secure with screws.

Scheme 8

Scheme 8: Remove
Scheme 8: Remove

Scheme 9

Scheme 9
Scheme 9

Scheme 10

Scheme 10
Scheme 10
  1. Release bonnet support stays, raise and secure bonnet in upright position.
  2. Disconnect battery earth lead.
  3. Remove bonnet sealing rubber from air intake moulding.
  4. Release cover from positive cable.
  5. Remove nut and disconnect positive cable from stud.
  6. Remove 2 nuts securing plenum and remove air intake plenum assembly. NOTE: Do not carry out further dismantling if component is removed for access only.
  7. Remove 3 screws securing air intake cover and remove cover.
  8. Remove air filter.
  1. Fit air filter.
  2. Fit plenum cover and secure with screws.
  3. Fit plenum assembly and tighten nuts to 10 Nm (7 lbf.ft).
  4. Fit positive cable to stud and tighten nut to 20 Nm (15 lbf.ft)
  5. Fit cover.
  6. Fit bonnet sealing rubber to air intake moulding.
  7. Connect battery earth lead.
  8. Reconnect support stays and close bonnet.

Scheme 11

Scheme 11: Remove
Scheme 11: Remove

Scheme 12

Scheme 12
Scheme 12

Scheme 13

Scheme 13
Scheme 13
  1. Remove glove box assembly. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings) Glove box assembly removal is necessary to access fascia harness retaining screws.
  2. Remove fascia. «76.46.23.99 FASCIA -- REMOVE FOR ACCESS & REFIT»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings__76462399-fascia-remove-for-access)
  3. Disconnect multiplug and remove air blend motor.
  4. Remove Torx screws and nuts from rear of fascia harness tray. Release clips to allow movement of harness for access. Do not cut harness tray cable ties.
  5. Remove 2 nuts securing HEVAC assembly to fascia carrier.
  6. Note HEVAC harness route prior to removal.
  7. With assistance, withdraw HEVAC assembly from fascia.
  1. Position HEVAC assembly to fascia.
  2. Check for possible foul conditions on HEVAC harness, cables and rods.
  3. Fit and tighten nuts securing HEVAC assembly to facia.
  4. Position and secure harness tray to fascia.
  5. Fit motor to heating assembly, connect multiplug.
  6. Fit fascia. «76.46.23.99 FASCIA -- REMOVE FOR ACCESS & REFIT»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings__76462399-fascia-remove-for-access)
  7. Fit glove box assembly. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)

Scheme 14

Scheme 14: Remove
Scheme 14: Remove
  1. Remove cassette/C D unit. «AUDIO SYSTEM»(/land-rover/range-rover/l322-2002-2005/remont/entertainment-systems/#audio-system)
  2. Disconnect multiplug from motor, remove motor from heating assembly.
  1. Fit motor to heating assembly, connect multiplug.
  2. Fit cassette/CD unit. «AUDIO SYSTEM»(/land-rover/range-rover/l322-2002-2005/remont/entertainment-systems/#audio-system)

Scheme 15

Scheme 15: Remove
Scheme 15: Remove
  1. RHD models: Remove glove box. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  2. LHD models: Remove closing panel. «76.46.27 CLOSING PANEL -- PASSENGER SIDE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  3. From underside of fascia, disconnect multiplug from motor, remove motor from heating assembly.
  1. Fit motor to heating assembly, connect multiplug.
  2. RHD models: Fit glove box. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  3. LHD models: Fit closing panel. «76.46.27 CLOSING PANEL -- PASSENGER SIDE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)

Scheme 16

Scheme 16: Remove
Scheme 16: Remove

Scheme 17

Scheme 17
Scheme 17

Scheme 18

Scheme 18
Scheme 18
  1. LHD models: Remove glove box. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  2. RHD models: Remove closing panel. «76.46.27 CLOSING PANEL -- PASSENGER SIDE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  3. Noting fitted position, disconnect 8 multiplugs from fuse box.
  4. Remove 4 Torx screws securing the fuse box, position the fuse box aside.
  5. Disconnect multiplug from motor, remove motor from heating assembly.
  1. Fit motor to heating assembly, connect multiplug.
  2. Position fuse box, secure with screws.
  3. Connect multiplugs to fuse box.
  4. LHD models: Fit glove box. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  5. RHD models: Fit closing panel. «76.46.27 CLOSING PANEL -- PASSENGER SIDE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)

Scheme 19

Scheme 19: Remove
Scheme 19: Remove

Scheme 20

Scheme 20
Scheme 20

Scheme 21

Scheme 21
Scheme 21
  1. Remove HEVAC assembly. «80.20.01.99 HEATER UNIT HEVAC - REMOVE FOR ACCESS & REFIT»(/land-rover/range-rover/l322-2002-2005/remont/heater/#heating-and-ventilation-removal-installation)
  2. Release air blend assembly and position aside.
  3. Release 3 clips and remove heater fan cover.
  4. Remove 3 Torx screws securing fan assembly to heater.
  5. Disconnect multiplug and remove fan assembly.
  1. Position fan assembly to heater and connect multiplug.
  2. Fit and tighten fan assembly Torx screws.
  3. Fit and secure fan cover.
  4. Fit and secure air blend assembly.
  5. Fit HEVAC assembly to fascia. «80.20.01.99 HEATER UNIT HEVAC - REMOVE FOR ACCESS & REFIT»(/land-rover/range-rover/l322-2002-2005/remont/heater/#heating-and-ventilation-removal-installation)

Scheme 22

Scheme 22: Remove
Scheme 22: Remove

Scheme 23

Scheme 23
Scheme 23

Scheme 24

Scheme 24
Scheme 24

Scheme 25

Scheme 25
Scheme 25
  1. Disconnect battery earth lead.
  2. Remove glove box. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  3. Noting fitted position, disconnect 8 multiplugs from fuse box.
  4. Remove 4 Torx screws securing the fuse box, position the fuse box aside.
  5. Remove screw securing footwell heating duct to carrier. Remove duct.
  6. Disconnect multiplug from resistor.
  7. Release clip securing resistor to heater assembly, remove resistor.
  1. Position resistor to heater assembly, locate on dowels and secure.
  2. Connect multiplug to resistor.
  3. Position and secure footwell heating duct.
  4. Position fuse box, secure with screws.
  5. Connect multiplugs to fuse box.
  6. Fit glove box. «76.52.03 GLOVE BOX»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  7. Connect battery earth lead.

Scheme 26

Scheme 26: Remove
Scheme 26: Remove
  1. Remove closing panel. «76.46.27 CLOSING PANEL -- PASSENGER SIDE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)
  2. Remove screw securing footwell heating duct, remove duct.
  3. Disconnect multiplug from resistor.
  4. Release clip securing resistor to heater assembly, remove resistor.
  1. Position resistor to heater assembly, locate on dowels and secure.
  2. Connect multiplug to resistor.
  3. Position and secure footwell heating duct.
  4. Fit closing panel. «76.46.27 CLOSING PANEL -- PASSENGER SIDE»(/land-rover/range-rover/l322-2002-2005/remont/exteriorinterior-trim/#interior-fittings)

Scheme 27

Scheme 27: Remove
Scheme 27: Remove
  1. Remove heating control assembly. «80.10.02 CONTROLS - HEATER (ECU)»(/land-rover/range-rover/l322-2002-2005/remont/heater/#heating-and-ventilation-removal-installation__801002-controls-heater-ecu)
  2. Disconnect multiplug from motor, remove motor from heating assembly.
  1. Fit motor to heating assembly, connect multiplug.
  2. Fit heating control assembly. «80.10.02 CONTROLS - HEATER (ECU)»(/land-rover/range-rover/l322-2002-2005/remont/heater/#heating-and-ventilation-removal-installation__801002-controls-heater-ecu) Page 1 of 3

Scheme 28

Scheme 28: Remove
Scheme 28: Remove

Scheme 29

Scheme 29
Scheme 29

Scheme 30

Scheme 30
Scheme 30

Scheme 31

Scheme 31
Scheme 31

Scheme 32

Scheme 32
Scheme 32
  1. Remove HEVAC assembly. «80.20.01.99 HEATER UNIT HEVAC - REMOVE FOR ACCESS & REFIT»(/land-rover/range-rover/l322-2002-2005/remont/heater/#heating-and-ventilation-removal-installation)
  2. Invert HEVAC assembly.
  3. Remove 2 Torx screws securing LH heating duct elbow to HEVAC assembly. Remove elbow.
  4. Remove 2 Torx screws securing heating pipes to matrix, release and remove pipes. Discard 'O' rings. CAUTION: Always fit plugs to open connections to prevent contamination.
  5. Remove 4 Torx screws and spring clip from RH heating duct elbow. Remove elbow.
  6. Disconnect multiplug from evaporator sensor.
  7. Disconnect multiplug and remove rear air vent motor.
  8. Remove 4 Torx screws securing TXV cover and position aside.
  9. Remove 7 Torx screws and 3 spring clips from lower HEVAC access panel.
  10. Release 2 clips and remove access panel.
  11. Remove matrix.
  1. Fit matrix to HEVAC assembly, position access panel, secure with clips and screws.
  2. Fit and secure TXV cover.
  3. Fit motor to heating assembly, connect multiplug.
  4. Connect multiplug to evaporator sensor.
  5. Position RH heating duct elbow to HEVAC assembly, secure with clip and screws.
  6. Clean heating pipes and matrix mating faces.
  7. Fit new 'O' rings to heating pipes, position pipes to matrix, fit bolts and tighten to 10 Nm (7 lbf.ft).
  8. Position LH heating duct elbow to HEVAC assembly, secure with screws.
  9. Fit HEVAC assembly to fascia. «80.20.01.99 HEATER UNIT HEVAC - REMOVE FOR ACCESS & REFIT»(/land-rover/range-rover/l322-2002-2005/remont/heater/#heating-and-ventilation-removal-installation)

Scheme 33

Scheme 33: Remove
Scheme 33: Remove

Scheme 34

Scheme 34
Scheme 34

Scheme 35

Scheme 35
Scheme 35
  1. Remove battery carrier.
  2. Remove front wheel arch liner. «76.10.48 LINER -- FRONT WHEEL ARCH»(ref-208059-S38087232582005120200000)
  3. Drain coolant. «DRAINING & REFILLING COOLING SYSTEM»(/land-rover/range-rover/l322-2002-2005/remont/cooling-system-mechanical/#cooling-system)
  4. Position container to collect coolant spillage.
  5. Release clips, disconnect coolant feed and return hoses from FBH. CAUTION: Before disconnecting or removing components, ensure the immediate area around joint faces and connections are clean. Plug open connections to prevent contamination.
  6. Position an absorbent cloth, release clip and remove fuel feed hose from FBH. Plug connections and move aside.
  7. Remove 2 bolts securing FBH to mounting bracket
  8. Release FBH from mounting, disconnect multiplugs and move assembly aside. NOTE: Do not carry out further dismantling if component is removed for access only.
  9. Remove 3 bolts securing FBH to mounting bracket.
  10. Remove bracket.
  11. Cut and discard cable tie securing intake filter to FBH. Release clip and remove intake assembly.
  1. Fit intake assembly and secure clips.
  2. Fit FBH mounting bracket and tighten bolts to 10 Nm (7 lbf.ft).
  3. Connect multiplugs to FBH.
  4. Align FBH exhaust to silencer, fit to mounting and tighten bolts to 10 Nm (7 lbf.ft).
  5. Fit coolant hoses to FBH and secure with clips.
  6. Fit fuel feed hose to FBH and secure with clip.
  7. Refill cooling system. «DRAINING & REFILLING COOLING SYSTEM»(/land-rover/range-rover/l322-2002-2005/remont/cooling-system-mechanical/#cooling-system)
  8. Fit front wheel arch liner. «76.10.48 LINER -- FRONT WHEEL ARCH»(ref-208059-S38087232582005120200000)
  9. Fit battery carrier.

Scheme 36

Scheme 36: Remove
Scheme 36: Remove

Scheme 37

Scheme 37
Scheme 37
  1. Disconnect battery earth lead.
  2. Remove access panel from load space RH trim casing.
  3. Remove warning triangle.
  4. Remove cable tie securing harness.
  5. Release 2 straps securing harness.
  6. Remove 3 bolts securing fuse box to body.
  7. Loosen nut and disconnect coaxial cable.
  8. Disconnect multiplug from receiver.
  9. Remove nut securing receiver and remove receiver.
  1. Fit receiver and secure with nut.
  2. Connect multiplug to receiver.
  3. Fit coaxial and tighten nut to 2 Nm (1.5 lbf.ft).
  4. Align fuse box and tighten bolts to 6 Nm (4.4 lbf.ft).
  5. Align and secure harness.
  6. Fit and secure warning triangle.
  7. Fit access panel.
  8. Connect battery earth lead.

Scheme 38

Scheme 38: Remove
Scheme 38: Remove
  1. Remove front grille. «76.55.03 FRONT GRILLE»(ref-208059-S30557235592005120200000)
  2. Release and remove temperature sensor.
  1. Fit and secure temperature sensor.
  2. Fit front grille. «76.55.03 FRONT GRILLE»(ref-208059-S30557235592005120200000)

Scheme 39

Scheme 39: Remove
Scheme 39: Remove

Scheme 40

Scheme 40
Scheme 40
  1. Disconnect battery earth lead.
  2. Raise rear of vehicle, one side. WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
  3. Remove RH rear road wheel.
  4. Release pump from rubber mounting.
  5. Disconnect multiplug from fuel pump.
  6. Release clips and remove fuel pipes from fuel pump. CAUTION: Before disconnecting or removing components, ensure the immediate area around joint faces and connections are clean. Plug open connections to prevent contamination.
  7. Recover pump from vehicle and remove rubber mounting.
  1. Clean fuel hose connections.
  2. Fit rubber mounting to pump.
  3. Position fuel pipes to pump and secure with clips.
  4. Connect multiplug to fuel pump.
  5. Fit pump assembly to mounting bracket.
  6. Fit road wheel and tighten nuts to 140 Nm (103 lbf.ft).
  7. Lower vehicle.
  8. Connect battery earth lead.

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