Isuzu Trooper (2000 year). Manual - part 42

HEATING, VENTILATION AND AIR CONDITIONING (HVAC) 1A–137

Sun Sensor

826RY00012

Legend

(1) Sun Sensor

Removal

1. Disconnect the battery ground cable.
2. Remove the sun sensor.
3. Disconnect the sun sensor connector.

Installation

To install, follow the removal step in the reverse order.

Electronic Thermostat

874RX022

Legend

(1) Duct Sensor
(2) Evaporator Core
(3) Evaporator Assembly
(4) Thermostat Assembly

Removal

1. Disconnect the battery ground cable.
2. Remove evaporator assembly.

D

Refer to evaporator assembly section.

3. Remove electronic thermostat.

Installation

To install, follow the removal step in the reverse order.

1A–138 HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

Mode Actuator

860RY00008

Legend

(1) A/T Control Unit
(2) Actuator Rod
(3) Mode Actuator

Removal

1. Disconnect the battery ground cable.
2. Remove the PCM.

D

The connector shall remain connected.

3. Remove the actuator rod.
4. Remove the mode actuator.

Installation

To install, follow the remove step in the reverse order.

Mix Actuator

860RY00009

Legend

(1) Instrument Panel Assembly
(2) Actuator Rod
(3) Mix Actuator
(4) Instrument Panel Center Bracket

Removal

1. Disconnect the battery ground cable.
2. Remove the instrument panel assembly.

D

Refer to the Instrument Panel Assembly in Body
and Accessories section.

3. Remove the instrument panel center bracket.
4. Remove the actuator rod.
5. Remove the mix actuator.

Installation

To install, follow the remove step in the reverse order.

HEATING, VENTILATION AND AIR CONDITIONING (HVAC) 1A–139

Intake Actuator

873RY00004

Legend

(1) Evaporator Assembly
(2) Intake Actuator
(3) Intake Actuator Connector

Removal

1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.

D

Refer to Refrigerant Recovery in this section.

3. Remove the evaporator assembly.

D

Refer to Evaporator Assembly section.

4. Disconnect the intake actuator connector.
5. Remove the intake actuator.

Installation

To install, follow the remove step in the reverse order.

POWER ASSISTED SYSTEM

2A–1

TROOPER

STEERING

POWER ASSISTED SYSTEM

CONTENTS

Service Precaution

2A–2

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

General Description

2A–2

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

Diagnosis

2A–5

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

Power Steering System Test

2A–11

. . . . . . . . . . . . . . 

Maintenance

2A–12

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

Fluid Level

2A–12

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

Bleeding The Power Steering System

2A–12

. . . . . . 

Bleeding Procedure

2A–12

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

Flushing The Power Steering System

2A–12

. . . . . . 

Steering Wheel Free Play Adjustment

2A–13

. . . . . . 

Front End Alignment Inspection and
 Adjustment

2A–13

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

Main Data and Specifications

2A–18

. . . . . . . . . . . . . 

Special Tools

2A–19

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

Power Steering Gear

2A–20

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

Power Steering Gear and Associated
 Parts

2A–20

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

Removal

2A–20

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

Installation

2A–21

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

Steering Gear Disassembled View

2A–22

. . . . . . . 

Disassembly

2A–23

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

Inspection and Repair

2A–24

. . . . . . . . . . . . . . . . . . 

Reassembly

2A–25

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

Main Data and Specifications

2A–27

. . . . . . . . . . . 

Power Steering Pump

2A–28

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

Power Steering Pump and Associated
 Parts

2A–28

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

Removal

2A–28

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

Installation

2A–29

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

Power Steering Pump Disassembled View

2A–30

Disassembly

2A–30

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

Inspection and Repair

2A–31

. . . . . . . . . . . . . . . . . . 

Reassembly

2A–32

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

Main Data and Specifications

2A–33

. . . . . . . . . . . 

Center Track Rod Assembly

2A–34

. . . . . . . . . . . . . . 

Center Track Rod Assembly and
 Associated Parts

2A–34

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

Removal

2A–35

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

Inspection and Repair

2A–35

. . . . . . . . . . . . . . . . . . 

Installation

2A–35

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

Outer Track Rod Assembly

2A–36

. . . . . . . . . . . . . . . 

Outer Track Rod Assembly and
 Associated Parts

2A–36

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

Removal

2A–37

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

Inspection and Repair

2A–37

. . . . . . . . . . . . . . . . . . 

Installation

2A–38

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

Relay Lever

2A–39

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

Relay Lever and Associated Parts

2A–39

. . . . . . . 

Removal

2A–39

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

Installation

2A–40

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

Steering Linkage and Associated Parts

2A–41

. . . . 

Main Data and Specifications

2A–41

. . . . . . . . . . . 

Special Tools

2A–42

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

Supplemental Restraint System Steering
 Wheel & Column

2A–43

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

Service Precaution

2A–43

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

SRS Connectors

2A–43

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

Inflator Module

2A–45

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

Inflator Module and Associated Parts

2A–45

. . . . . 

Removal

2A–45

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

Inspection and Repair

2A–46

. . . . . . . . . . . . . . . . . . 

Installation

2A–46

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

Steering Wheel

2A–47

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

Steering Wheel and Associated Parts

2A–47

. . . . 

Removal

2A–47

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

Installation

2A–49

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

Combination Switch

2A–50

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

Combination Switch and Associated Parts

2A–50

Removal

2A–50

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

Installation

2A–52

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

Lock Cylinder

2A–54

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

Lock Cylinder and Associated Parts

2A–54

. . . . . . 

Removal

2A–54

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

Installation

2A–56

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

System Inspection

2A–57

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

Steering Column

2A–58

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

Steering Column and Associated Parts

2A–58

. . . 

Removal

2A–58

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

Inspection

2A–60

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

Installation

2A–62

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

System Inspection

2A–63

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

Supplemental Restraint System Steering
 Wheel & Column and Associated Parts

2A–64

. . . . 

Main Data and Specifications

2A–64

. . . . . . . . . . . 

Special Tools

2A–65

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