Discovery 2. Manual — part 708

HEATING AND VENTILATION

REPAIRS

80-27

3. Remove screw securing harness to blower

motor and release harness.

4. Disconnect multiplug from blower motor.
5. Remove 3 screws securing blower motor to

casing and remove blower motor.

Refit

1. Position blower motor to casing and secure

with screws.

2. Connect multiplug to blower motor.
3. Position harness and secure clip with screw.
4. Fit glove box, align hinges and tighten screws.
5. Position toe board and secure with studs.

Resistor pack - power resistor A/C

$% 80.20.17

Remove

1. Remove 4 studs securing toe board and

remove toe board.

2. Remove 4 screws securing glove box, release

catch and remove glove box.

HEATING AND VENTILATION

80-28

REPAIRS

3. Disconnect multiplug from resistor.
4. Remove screws securing resistor, release and

remove resistor.

Refit

1. Position resistor and secure with screw.
2. Connect multiplug to resistor.
3. Position glove box, fit and tighten screws.
4. Position toe board and secure with studs.

Heater matrix

$% 80.20.29

Remove

1. Remove heater assembly.

+

HEATING AND VENTILATION,

REPAIRS, Heater assembly - models with
air conditioning.

2. Remove 2 screws securing coolant pipe

saddles and remove saddles.

3. Loosen screws securing coolant pipes to

matrix, release clamps and remove coolant
pipes.

4. Remove and discard 'O' rings.
5. Remove heater matrix.

Refit

1. Position heater matrix, using new 'O' rings fit

coolant pipes and align clamps.

2. Fit saddle clamps and secure with screws
3. Tighten coolant pipe clamp screws.
4. Fit heater assembly.

+

HEATING AND VENTILATION,

REPAIRS, Heater assembly - models with
air conditioning.

HEATING AND VENTILATION

REPAIRS

80-29

Pipe - Heater - Feed

$% 80.25.07

Remove

1. Remove heater return pipe.

+

HEATING AND VENTILATION,

REPAIRS, Pipe - Heater - Return.

2. Release clip securing heater feed hose to

heater feed pipe and disconnect hose from
pipe.

3. Remove nut securing heater feed pipe to

plenum chamber.

4. Press quick release connector and release

heater feed pipe from plenum chamber.

5. Remove and discard 'O' ring from pipe.

Refit

1. Fit new 'O' ring to heater feed pipe and lubricate

with castor oil.

2. Secure heater feed pipe to plenum chamber.
3. Fit and tighten nut securing heater feed pipe to

plenum chamber.

4. Connect heater feed hose to heater feed pipe

and secure with clip.

5. Fit heater return pipe.

+

HEATING AND VENTILATION,

REPAIRS, Pipe - Heater - Return.

Pipe - Heater - Return

$% 80.25.12

Remove

1. Drain engine coolant.

+

COOLING SYSTEM - V8,

ADJUSTMENTS, Drain and refill.

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.

M80 0435

2

3

4

M80 0437

M80 0438

4

4

6

7

5

HEATING AND VENTILATION

80-30

REPAIRS

Refit

1. Connect engine coolant hose to heater return

pipe and secure with clip.

2. Position heater return pipe to cylinder block and

secure with bolt.

3. Secure engine harness and vacuum pipe to

heater return pipe and secure with clips.

4. Fit and tighten bolt securing heater return pipe

to heater feed pipe.

5. Connect heater return hose to heater return

pipe and secure with clip.

6. Refill engine coolant.

+

COOLING SYSTEM - V8,

ADJUSTMENTS, Drain and refill.

Fuel burning heater - (FBH) - Td5

$% 80.40.01.99

Remove

1. Release fixings and remove battery cover.
2. Disconnect battery earth lead.
3. Clamp feed and return coolant hoses at FBH.
4. Position container to collect 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. Disconnect 2 multiplugs from FBH.