Discovery 2. Manual — part 299

AIR CONDITIONING

REPAIRS

82-35

ECU - air temperature control

$% 82.20.90

Remove

1. Release radio from fascia.

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IN CAR ENTERTAINMENT,

REPAIRS, Radio.

2. Working through radio aperture, release control

unit from fascia.

3. Disconnect 3 multiplugs and remove control

unit.

4. Collect bushes from control unit location pegs.

Refit

1. Fit bushes to new control unit.
2. Position control unit and connect multiplugs.
3. Fit control unit to fascia.
4. Fit radio to fascia.

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IN CAR ENTERTAINMENT,

REPAIRS, Radio.

Sensor - ambient air temperature

$% 82.20.91

Remove

1. Remove front grille.

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EXTERIOR FITTINGS, REPAIRS,

Grille - front - up to 03MY.

2. Release ambient air temperature sensor from

support bracket, disconnect multiplug and
remove sensor.

Refit

1. Position sensor, connect multiplug and secure

sensor to support bracket

2. Fit front grille.

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EXTERIOR FITTINGS, REPAIRS,

Grille - front - up to 03MY.

AIR CONDITIONING

82-36

REPAIRS

Sensor - solar light

$% 82.20.92

Remove

1. Carefully remove solar light sensor from fascia.
2. Disconnect multiplug from solar light sensor.
3. Remove solar light sensor.

Refit

1. Connect multiplug to solar light sensor.
2. Position solar light sensor to fascia and push to

secure.

AIR CONDITIONING

REPAIRS

82-37

Sensor - air temperature

$% 82.20.93

Remove

1. Release 2 quarter turn screws to release fascia

access panel.

2. Lower fascia access panel.

3. Disconnect multiplug from air temperature

sensor.

4. Remove 2 screws securing air temperature

sensor to fascia.

5. Remove air temperature sensor from fascia.

Refit

1. Position air temperature sensor to fascia and

secure with screws.

2. Connect multiplug to air temperature
3. Position and secure fascia access panel with

quarter turn screws.

AIR CONDITIONING

82-38

REPAIRS

Evaporator, evaporator thermistor and
thermal expansion valve (TXV)

$% 82.25.20

Remove

1. Remove heater assembly.

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HEATING AND VENTILATION,

REPAIRS, Heater assembly - models with
air conditioning.

2. Remove bulkhead and evaporator pipe seals.

3. Disconnect multiplug from evaporator

thermistor.

4. Remove 2 screws securing temperature control

servos to evaporator casing.

5. Remove 2 screws securing coolant pipe

support bracket to casing.

6. Remove screws securing coolant pipe saddle

clamp to casing and remove saddle.

7. Remove heater matrix.

8. Remove 5 screws securing casings.