Lexus SC300 / Lexus SC400. Service manual — part 42
INSTALLATION OF WATER VALVE
1. INSTALL
WATER
VALVE
(a) Push the water hose for the heater unit onto the pipe
until the pipe’s markings are hidden.
(b) Install the hose clip in a position where about 1 mm
(0.039 in.) of the marking on the hose can bee seen.
(c) Install the water valve with two screws.
2.
INSTALL FOLLOWING PARTS TO WATER VALVE
•
Connector
•
Vacuum hose
•
Water hose
HINT:
•
Push the water hose onto the water valve pipe until the
pipe is completely hidden.
•
Install the hose clip in a position where about 1 mm
(0.039 in.) of the marking on the hose can bee seen.
AC–128
–
AIR CONDITIONING SYSTEM
Water Valve
BLOWER MOTOR
REMOVAL OF BLOWER MOTOR
1.
REMOVE GLOVE BOX
See page
2.
REMOVE ECU COVER
(a) Lift
up
the front end of the carpet on the passenger side.
(b) Remove the two nuts and the cover.
3. REMOVE
CONNECTOR
BRACKET
Remove the two screws and the bracket.
4. REMOVE
MOTOR
(a) Disconnect the connector.
(b) Remove the three screws and the motor.
INSPECTION OF BLOWER MOTOR
See page
INSTALLATION OF BLOWER MOTOR
1. INSTALL
MOTOR
(a) Install the motor with three screws.
(b) Connect the connector.
2. INSTALL
CONNECTOR
BRACKET
3.
INSTALL ECU COVER
4.
INSTALL GLOVE BOX
–
AIR CONDITIONING SYSTEM
Blower Motor
AC–129
AIR INLET SERVOMOTOR
REMOVAL OF AIR INLET SERVOMOTOR
1.
REMOVE INSTRUMENT PANEL REINFORCEMENT
See page
2. REMOVE
SERVOMOTOR
(a) Disconnect the connector.
(b) Disconnect the control link.
(c) Remove the three screws and the servomotor.
INSPECTION OF AIR INLET
SERVOMOTOR
See page
AIR INLET SERVOMOTOR
INSTALLATION
1. INSTALL
SERVOMOTOR
(a) Install the servomotor with three screws.
(b) Connect the control link.
(c) Connect the connector.
2.
INSTALL INSTRUMENT PANEL REIFORCEMENT
See page
AC–130
–
AIR CONDITIONING SYSTEM
Air Inlet Servomotor
AIR OUTLET SERVOMOTOR
REMOVAL OF AIR OUTLET
SERVOMOTOR
1.
REMOVE INSTRUMENT PANEL REINFORCEMENT
See page
2. REMOVE
SERVOMOTOR
(a) Disconnect the connector.
(b) Remove the four screws and the servomotor.
INSPECTION OF AIR OUTLET
SERVOMOTOR
See page
INSTALLATION OF AIR OUTLET
SERVOMOTOR
1. INSTALL
SERVOMOTOR
(a) Install the servomotor with four screws.
(b) Connect the connector.
2.
INSTALL INSTRUMENT PANEL REINFORCEMENT
See page
AIR MIX SERVOMOTOR
REMOVAL OF AIR MIX SERVOMOTOR
1.
REMOVE A/C UNIT
See page
2. REMOVE
SERVOMOTOR
(a) Disconnect the connector.
(b) Remove the three screws and the servomotor.
INSPECTION OF AIR MIX SERVOMOTOR
See page
INSTALLATION OF AIR MIX
SERVOMOTOR
1. INSTALL
SERVOMOTOR
(a) Install the servomotor with three screws.
(b) Connect the connector.
2.
INSTALL A/C UNIT
See page
–
AIR CONDITIONING SYSTEM
Air Outlet Servomotor, Air Mix Servomotor
AC–131
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