2002 ISUZU AXIOM Service Repair Manual

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A±39
4. Remove serpentine belt.

Move serpentine belt tensioner to loose side using
wrench then remove serpentine belt.
850RY00005
Legend
(1) Auto Tensioner
(2) Idle Pulley
(3) Cooling Fan Pulley
(4) Serpentine Belt
(5) Power Steering Oil Pump
(6) Air Conditioner Compressor
(7) Crankshaft Pulley
(8) Generator
5. Disconnect refrigerant line connector.

When removing the line connector, the connecting
part should immediately be plugged or capped to
prevent foreign matter from being mixed into the
line.
6. Remove compressor.
Installation
1. Install compressor.

Tighten the compressor fixing bolts to the specified
torque.
Torque: 19 Nwm (14 lbwft)
2. Connect refrigerant line connector.

Tighten the refrigerant line connector fixing bolts to
the specified torque.
Torque: 15 Nwm (11 lbwft)

O-rings cannot be reused. Always replace with new
ones.

Be sure to apply new compressor oil to the O-rings
when connecting refrigerant lines.
3. Install serpentine belt.

Move serpentine belt tensioner to loose side using
wrench, then install serpentine belt to normal
position.4. Connect magnetic clutch harness connector.
New Compressor Installation
The new compressor is filled with 150cc (5.0fl.oz.)of
compressor oil and nitrogen gas. When mounting the
compressor on the vehicle, perform the following steps;
1. Gently release nitrogen gas from the new
compressor.

Take care not to let the compressor oil flow out.

Inspect O-rings and replace if necessary.
871RX033
2. Turn the compressor several times by hand and
release the compressor oil in the rotor.
3. When installing on a new system, the compressor
should installed as it is. When installing on a used
system, the compressor should be installed after
adjusting the amount of compressor oil. (Refer to
Compressor in this section)
871RX035

1A±40
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Condenser Assembly
Condenser Assembly and Associated Parts
875R200022
Legend
(1) Refrigerant Line
(2) Pressure Switch Connector
(3) Condenser & Receiver Tank Assembly
(4) Condenser Air Guide
(5) Front Bumper Assembly(6) Engine Hood Front End W/Engine Hood Lock
& Bumper Stay
(7) Front Center Bumper Retainer
(8) Front Side Bumper Retainer (RH)
(9) Head Light (R/LH)
(10) Front Side Turn Signal Light (R/LH)
(11) Horn (R/LH)
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

Refer to
Refrigerant Recovery in this section.
3. Remove front bumper assembly.

Refer to the
Front Bumper in Body Structure
section.
4. Remove front center bumper retainer.
5. Remove front side bumper retainer (RH).
6. Remove condenser air guide.
7. Remove engine hood front end with engine hood lock
& bumper stay.

Apply setting mark to the engine hood lock fixing
position before removing it.

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A±41
8. Remove horn (R/LH).
9. Remove front side turn signal light (R/LH).
10. Remove head light (R/LH).
11. Disconnect pressure switch, ambient sensor and
condenser fan connector.
12. Disconnect refrigerant line.

When removing the line connector, the connecting
part should immediately be plugged or capped to
prevent foreign matter from being mixed into the
line.
13. Remove condenser & receiver tank assembly.

Handle with care to prevent damaging the
condenser or radiator fin.
Installation
1. Install condenser & reciver tank assembly.

If installing a new condenser, be sure to add 30cc
(1.0 fl. oz.) of new compressor oil to a new one.

Tighten the condenser fixing bolts to the specified
torque.
Torque: 6 Nwm (52 lb in)
2. Connect refrigerant line.

Tighten the inlet line connector fixing bolt to the
specified torque.
Torque: 15 Nwm (11 lb ft)

Tighten the outlet line connector fixing bolt to the
specified torque.
Torque: 6 Nwm (52 lb in)

O-rings cannot be reused. Always replace with new
ones.

Be sure to apply new compressor oil to the O-rings
when connecting the refrigerant line.
3. Connect pressure switch, ambient sensor and
condenser fan connector.
4. Install head light (R/LH).
5. Install front side turn signal light (R/LH).
6. Install horn (R/LH).
7. Install engine hood front end with engine hood lock &
bumper stay.

Align the setting mark when installing.
8. Install condenser air guide.
9. Install front side bumper retainer (RH).
10. Install front center bumper retainer.
11. Install front bumper assembly.

1A±42
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Condenser Fan Motor
Condenser Fan Motor and Associated Parts
875R200016
Legend
(1) Condenser Fan Assembly
(2) Condenser Air Guide
(3) Front Bumper Assembly(4) Condenser Fan Motor
(5) Shroud
(6) Fan
(7) Horn (RH)
Removal
1. Disconnect the battery ground cable.
2. Remove the front bumper assembly.

Refer to the
Front Bumper in Body Structure
section.
3. Remove the condenser air guide.
4. Remove the horn (RH).
5. Remove the condenser fan assembly.

Disconnect the fan motor connector and remove
the 3 fixing bolts.
6. Remove the shroud.

Remove the 3 fixing nuts.

Loosen the condenser fixing nut and disconnect the
fan motor connector from bracket.
7. Remove the fan.

Remove the fan fixing C-ring and plate.
8. Remove the condenser fan motor.
Installation
To install, follow the removal steps in the reverse order,
noting the following point.
1. Route the fan motor harness in its previous position,
and fix it securely with clip and bracket.

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A±43
Receiver / Drier
Receiver / Drier and Associated Parts
875R200019
Legend
(1) Front Side Turn Signal Light (LH)
(2) Refrigerant Line
(3) Head Light (LH)
(4) Front Bumper Assembly
(5) Receiver / Drier
(6) Pressure Switch Connector
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

Refer to
Refrigerant Recovery in this section.
3. Remove front bumper assembly.

Refer to the
Front Bumper in Body Structure
section.
4. Remove front side turn signal light (LH).
5. Remove head light (LH).
6. Disconnect pressure switch connector.
7. Disconnect refrigerant line.

When removing the line connected part, the
connecting part should immediately be plugged or
capped to prevent foreign matter from being mixed
into the line.
8. Remove receiver/drier.

Loosen the bolt, then, using care not to touch or
bend the refrigerant line, carefully pull out the
receiver/drier.
Installation
To install, follow the removal steps in the reverse order,
noting the following points:
1. If installing a new receiver/drier, be sure to add 30cc
(1.0 fl. oz.) of new compressor oil to a new one.
2. Put the receiver/drier in the bracket and connect with
the refrigerant line. Check that no excessive force is
imposed on the line. Fasten the bracket bolt to the
receiver/drier.
3. Tighten the refrigerant line to the specified torque.
Torque: 6 Nwm (52 lb in)
4. O-rings cannot be reused. Always replace with new
ones.
5. Be sure to apply new compressor oil to the O-rings
when connecting the refrigerant line.

1A±44
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Pressure Switch
Pressure Switch and Associated Parts
875R200021
Legend
(1) Pressure Switch Connector
(2) Front Side Turn Signal Light (LH)
(3) Head Light (LH)
(4) Front Bumper Assembly
(5) Pressure Switch
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

Refer to
ªRefrigerant Recovery in this section.
3. Remove the front bumper assembly.

Refer to the
Front Bumper in Body Structure
section.
4. Remove the front side turn signal light (LH).
5. Remove the head light (LH).
6. Disconnect pressure switch connector.
7. Disconnect pressure switch.

When removing the switch connected part, the
connecting part should immediately be plugged or
capped to prevent foreign matter from being mixed
into the line.
Installation
To install, follow the removal steps in the reverse order,
noting the following point:
1. O-ring cannot be reused. Always replace with a new
one.
2. Be sure to apply new compressor oil to the O-ring
when connecting pressure switch.
3. Tighten the pressure switch to the specified torque.
Torque: 13 Nwm (113 lb in)

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A±45
Evaporator Assembly
Evaporator Assembly and Associated Parts
874R200015
Legend
(1) Refrigerant Line
(2) Drain Hose
(3) Dash Side Trim Panel
(4) Power Transistor and Duct Sensor Connector(5) Passenger Lower Bracket
(6) Sill Plate
(7) Evaporator Assembly
(8) Glove Box
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

Refer to
Refrigerant Recovery in this section.
3. Remove glove box.
4. Disconnect power transistor (2) and duct sensor
connector (1).
5. Remove sill plate.
6. Remove dash side trim panel.
7. Remove passenger lower bracket.
8. Disconnect drain hose.
874R200005

1A±46
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
9. Disconnect drain hose.
10. Disconnect refrigerant line.

Use a back-up wrench when disconnecting and
reconnecting the refrigerant lines.

When removing the refrigerant line connected part,
the connecting part should immediately be plugged
or capped to prevent foreign matter from being
mixed into the line.
11. Remove evaporator assembly.
Installation
To install, follow the removal steps in the reverse order,
noting the following points:
1. To install a new evaporator assembly, add 50cc
(1.7 fl. oz.) of new compressor oil to the new core.
2. Tighten the refrigerant outlet line to the specified
torque.
Torque: 25 Nwm (18 lb ft)
3. Tighten the refrigerant inlet line to the specified
torque.
Torque: 15 Nwm (11 lb ft)
4. O-rings cannot be reused. Always replace with new
ones.
5. Be sure to apply new compressor oil to the O-rings
when connecting lines.