ISUZU TROOPER 1998 Service Repair Manual
TROOPER 1998
ISUZU
ISUZU
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ISUZU TROOPER 1998 Service Repair Manual
Trending: brake, dead battery, catalytic converter, keyless, fuse box, coolant reservoir, fuse box location
Page 151 of 3573
AIR CONDITIONING 1B Ð 25
Legend
(1) Magnetic Clutch Harness Connector
(2) To Evaporator
(3) Refrigerant Line Connector
(4) To Condenser(5) Compressor
(6) Serpentine Belt
(7) Radiator Fan
(8) Radiator Fan Shroud
(9) Compressor Bracket
COMPRESSOR
6VD1/6VE1 (RHD) & 6VD1 (LHD SAUDI/PHILIPPIN)
3
42
5
7
8
9
1
6
852RY00007
Page 152 of 3573

1B Ð 26 AIR CONDITIONING
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.
·Refer to Refrigerant Recovery in this section.
3. Disconnect magnetic clutch harness connector.
4. Remove radiator fan shroud.
5. Remove radiator fan.
·When the fan is removed, be sure to tighten
the fan fixing nuts temporarily to their original
positions.
6. Remove serpentine belt.
·Move serpentine belt tensioner to loose side
using wrench, then remove serpentine belt.
Legend
(1) 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
7. 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.
8. Remove compressor.
Installation
1. Install compressor.
·Tighten the compressor fixing bolts to the
specified torque.
Compressor Fixing Torque Nám (kgám / lbáft)
19 (1.9 / 14)
2. Connect refrigerant line connector.
·Tighten the refrigerant line connector fixing
bolts to the specified torque.
Refrigerant Line Bolt Torque Nám (kgám / lbáft)
15 (1.5 / 11)
·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. Install radiator fan.
5. Install radiator fan shroud.
6. Connect magnetic clutch harness connector.
3
4
2
7 86 1
5
850RX003
Page 153 of 3573
AIR CONDITIONING 1B Ð 27
871RY00013
Removal Steps
1. Air duct
2. Magnetic clutch harness connector
3. Drive belt
4. Refrigerant line connector
5. Compressor
Installation Steps
To install, follow the removal steps in the
reverse order.
4JG2 ENGINE
Compressor
bracket
2
5
13
4
O-ring
Page 154 of 3573

1B Ð 28 AIR CONDITIONING
REMOVAL
Preparation:
·Battery ground cable
·Discharge and recover refrigerant (Refer to
ÒREFRIGERANT RECOVERYÓ in this section)
1. Air Duct (Turbo to air cleaner)
Cover up the air duct connecting portion to prevent
foreign materials from getting into the turbo and the
air cleaner.
2. Magnetic Clutch Harness Connector
3. Drive Belt
Loosen the power steering pump unit fixing bolts,
then loosen the drive belt adjustment bolt and
remove the drive belt.
4. Refrigerant Line Connector
5. Compressor
Drive belt
Power steering
pump Tension
adjustment bolt
INSTALLATION
5. Compressor
Tighten the compressor fixing bolts to the specified
torque.
Compressor Bolt Torque Nám (kgám / lbáft)
40 (4.1 / 30)
4. Refrigerant Line Connector
·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.
·Tighten the refrigerant line connector to the
specified torque.
Refrigerant Line Bolt Torque Nám (kgám / lbáft)
27 (2.8 / 20)
Page 155 of 3573
AIR CONDITIONING 1B Ð 29
3. Drive Belt
1) Temporary tighten the power steering pump unit
fixing bolts.
2) Push the drive belt when the force of 98N {10kgf}.,
and adjust the drive belt tension by tightening
drive belt tension adjustment bolt, till the 14 ~17
mm (0.55 ~0.67 in) of deflection of the belt is
obtained. Then tighten the power steering pump
fixing bolts.
2. Magnetic Clutch Harness Connector
1. Air Duct (Turbo to air cleaner)
Power steering
pump pulley
Tension adjustment
bolt
Crank pulley Drive beltCompressor98N{10kgf}
14™17mm
(0.55™
0.67 in.)
850RY00002
Page 156 of 3573
1B Ð 30 AIR CONDITIONING
Removal Steps
1. Air duct
2. Compressor bracket
3. Magnetic clutch harness
connector
4. Compressor
5. Drive belt
6. Refrigerant line connector
Installation Steps
To install, follow the removal steps in the
reverse order.
4JX1 ENGINE
1
5 46
3
2
852RY00011
Page 157 of 3573

AIR CONDITIONING 1B Ð 31
REMOVAL
Preparation:
·Battery ground cable
·Discharge and recover refrigerant (Refer to
ÒREFRIGERANT RECOVERYÓ in this section)
1. Air Duct (Turbo to air cleaner)
Cover up the air duct connecting portion to prevent
foreign materials from getting into the turbo and the
air cleaner.
2. Magnetic Clutch Harness Connector
3. Drive Belt
Loosen the power steering pump unit fixing bolts,
then loosen the drive belt adjustment bolt and
remove the drive belt.
4. Refrigerant Line Connector
5. Compressor
CompressorTension adjustment bolt
Tension pally
14~17mm
(0.55-0.67in)
98N{10kgf}
Crank shaft pully
INSTALLATION
5. Compressor
Tighten the compressor fixing bolts to the specified
torque.
Compressor Bolt Torque Nám (kgám / lbáft)
40 (4.1 / 30)
4. Refrigerant Line Connector
·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.
·Tighten the refrigerant line connector to the
specified torque.
Refrigerant Line Bolt Torque Nám (kgám / lbáft)
27 (2.8 / 20)
850RY00003
Page 158 of 3573
1B Ð 32 AIR CONDITIONING
3. Drive Belt
1) Temporary tighten the power steering pump unit
fixing bolts.
2) Push the drive belt when the force of 98N {10kgf}.,
and adjust the drive belt tension by tightening
drive belt tension adjustment bolt, till the 14 ~17
mm (0.55 ~0.67 in) of deflection of the belt is
obtained. Then tighten the power steering pump
fixing bolts.
2. Magnetic Clutch Harness Connector
1. Air Duct (Turbo to air cleaner)
CompressorTension adjustment bolt
Tension pally
14~17mm
(0.55-0.67in)
98N{10kgf}
Crank shaft pully
850RY00003
Page 159 of 3573
AIR CONDITIONING 1B Ð 33
CONDENSER ASSEMBLY (LHD V6 WITHOUT CONDENSER FAN)
1
2
1
43
5
6
875RW001
Legend
(1) Refrigerant Line
(2) Pressure Switch Connector
(3) Front Bumper Assembly(4) Radiator Grille
(5) Engine Hood Front End Stay
(6) Condenser Assembly
Page 160 of 3573

1B Ð 34 AIR CONDITIONING
REMOVAL
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.
·Refer to Refrigerant Recovery in this section.
3. Remove radiator grille.
4. Remove front bumper assembly.
·Refer to Bumpers in Body and Accessories section.
5. Remove engine hood front end stay.
6. Disconnect pressure switch connector.
7. 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.
8. Remove condenser assembly.
·Handle with care to prevent damaging the
condenser or radiator fin.
·Be sure to apply new compressor oil to the O-rings
when connecting the refrigerant line.
INSTALLATION
1. Install condenser 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.
Condenser Fixing Torque Nám (kgám / lbáin)
6 (0.6 / 52)
2. Connect refrigerant line.
·Tighten the inlet line connector fixing bolt to the
specified torque.
Inlet Line Torque Nám (kgám / lbáft)
15 (1.5 / 11)
·Tighten the outlet line connector fixing bolt to the
specified torque.
Outlet Line Torque Nám (kgám / lbáin)
6 (0.6 / 52)
·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 connector.
4. Install engine hood front end stay.
5. Install front bumper assembly.
6. Install radiator grille.
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