Range Rover. Manual — part 285

HEATING AND VENTILATION

13

REPAIR

PIPE - HEATER - RETURN

Service repair no - 80.25.12

Remove

1. Drain engine coolant.

See COOLING SYSTEM,

Adjustment.

2. Release clip securing heater return hose to

heater return pipe and disconnect hose from
pipe.

3. Remove bolt securing heater return pipe to

heater feed pipe.

4. Release clips securing engine harness and

vacuum pipe to heater return pipe.

5. Remove bolt securing heater return pipe to

cylinder head.

6. Release clip securing engine coolant hose to

heater return pipe.

7. Release engine coolant hose from heater return

pipe and collect pipe.

Refit

8. Connect engine coolant hose to heater return

pipe and secure with clip.

9. Position heater return pipe to cylinder block and

secure with bolt.

10. Secure engine harness and vacuum pipe to

heater return pipe and secure with clips.

11. Fit and tighten bolt securing heater return pipe to

heater feed pipe.

12. Connect heater return hose to heater return pipe

and secure with clip.

13. Refill engine coolant.

See COOLING SYSTEM,

Adjustment.

82 - AIR CONDITIONING

CONTENTS

Page

DESCRIPTION AND OPERATION

DESCRIPTION

4

. . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATION

16

. . . . . . . . . . . . . . . . . . . . . . . . . ..

FAULT DIAGNOSIS

AIR CONDITIONING FAULTS

1

. . . . . . . . . . . . . . . . . . . .

REFRIGERANT SYSTEM FAULTS

4

. . . . . . . . . . . . . . . . . .

ADJUSTMENT

GENERAL PRECAUTIONS

1

. . . . . . . . . . . . . . . . . . . . .

REMEDIAL ACTIONS

1

. . . . . . . . . . . . . . . . . . . . . . ..

SERVICING PRECAUTIONS

2

. . . . . . . . . . . . . . . . . . . ...

REFRIGERANT RECOVERY, RECYCLING AND RECHARGING

3

. . . . . ..

LEAK TEST SYSTEM

5

. . . . . . . . . . . . . . . . . . . . . . ..

AIR CONDITIONING SYSTEM - PERFORMANCE TEST

6

. . . . . . . . ...

SYSTEM TEST

7

. . . . . . . . . . . . . . . . . . . . . . . . .

PRECAUTIONS IN HANDLING REFRIGERANT LINES

7

. . . . . . . . . .

PERIODIC MAINTENANCE

8

. . . . . . . . . . . . . . . . . . . . .

COMPRESSOR DRIVE BELT - DIESEL

8

. . . . . . . . . . . . . . . .

REPAIR

INTERIOR TEMPERATURE SENSOR

1

. . . . . . . . . . . . . . . .

AMBIENT TEMPERATURE SENSOR - UP TO VIN 381430

2

. . . . . . . ...

AMBIENT TEMPERATURE SENSOR - FROM VIN 381431

3

. . . . . . . ...

HEATER TEMPERATURE SENSOR

4

. . . . . . . . . . . . . . . . ..

COMPRESSOR DRIVE BELT - DIESEL

4

. . . . . . . . . . . . . . . .

EVAPORATOR TEMPERATURE SENSOR

5

. . . . . . . . . . . . . .

CONDENSER - V8

6

. . . . . . . . . . . . . . . . . . . . . . . ...

CONDENSER - DIESEL

8

. . . . . . . . . . . . . . . . . . . . . ..

COMPRESSOR - V8 - UP TO 99MY

10

. . . . . . . . . . . . . . . . .

COMPRESSOR - V8 - FROM 99MY

11

. . . . . . . . . . . . . . . . ..

COMPRESSOR - DIESEL

12

. . . . . . . . . . . . . . . . . . . . .

EVAPORATOR

12

. . . . . . . . . . . . . . . . . . . . . . . . ..

CONDENSER FAN

13

. . . . . . . . . . . . . . . . . . . . . . .

THERMOSTATIC EXPANSION VALVE (TXV) - V8 UP TO 99MY AND

DIESEL FROM 95MY

14

. . . . . . . . . . . . . . . . . . . . . . .

THERMOSTATIC EXPANSION VALVE (TXV) - V8 FROM 99MY

15

. . . . . .

SOLAR SENSOR

16

. . . . . . . . . . . . . . . . . . . . . . . ...

RECEIVER/DRIER - FROM 99MY

17

. . . . . . . . . . . . . . . . . .