LEXUS SC400 1991 Service Repair Manual

LEXUS SC400 1991 Service Repair Manual SC400 1991 LEXUS LEXUS https://www.carmanualsonline.info/img/36/57051/w960_57051-0.png LEXUS SC400 1991 Service Repair Manual
Trending: bolt pattern, seat memory, boot, buttons, index, steering, transmission oil

Page 161 of 4087

LEXUS SC400 1991  Service Repair Manual 
INSTALLATION OF EVAPORATOR
1. INSTALL REMOVAL PARTSInstall the removal parts in reverse order of removal proce-
dure.
HINT:
wThe tightening torque for the bolt used to install the
expansion  valve on

Page 162 of 4087

LEXUS SC400 1991  Service Repair Manual 
HEATER RADIATOR
REMOVAL OF HEATER RADIATOR
1.  SET TEMPERATURE CONTROL SWITCH TO MAX COOL
2.  REMOVE A/C UNITSee page  AC±107
3. REMOVE HATER RADIATOR
(a)  Remove the two screws and the plate.
(b)

Page 163 of 4087

LEXUS SC400 1991  Service Repair Manual 
EXPANSION VALVE
ON±VEHICLE INSPECTION
1.  CHECK QUANTITY OF GAS DURING REFRIGERATIONCYCLE
2.  INSTALL MANIFOLD GAUGE SET
3. RUN ENGINE
Run the engine at 2,000 rpm for at least 5 minutes. Then
check

Page 164 of 4087

LEXUS SC400 1991  Service Repair Manual 
WATER VALVE
REMOVAL OF WATER VALVE
1. DISCONNECT FOLLOWING PARTS FROM WATERVA LV E
wWater hose
w acuum hose
w Connector
2. REMOVE WATER VALVE (a)  Remove the two bolts.
(b)  Loosen the hose band, the

Page 165 of 4087

LEXUS SC400 1991  Service Repair Manual 
INSTALLATION OF WATER VALVE
1. INSTALL WATER VALVE(a)  Push the water hose for the heater unit onto the pipe until the pipes markings are hidden.
(b)  Install the hose clip in a position where about

Page 166 of 4087

LEXUS SC400 1991  Service Repair Manual 
BLOWER MOTOR
REMOVAL OF BLOWER MOTOR
1.  REMOVE GLOVE BOXSee page  BO±112
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.

Page 167 of 4087

LEXUS SC400 1991  Service Repair Manual 
AIR INLET SERVOMOTOR
REMOVAL OF AIR INLET SERVOMOTOR
1.  REMOVE INSTRUMENT PANEL REINFORCEMENTSee page  BO±109
2. REMOVE SERVOMOTOR (a)  Disconnect the connector.
(b)  Disconnect the control link.
(

Page 168 of 4087

LEXUS SC400 1991  Service Repair Manual 
AIR OUTLET SERVOMOTOR
REMOVAL OF AIR OUTLET
SERVOMOTOR
1.  REMOVE INSTRUMENT PANEL REINFORCEMENTSee page  BO±109
2. REMOVE SERVOMOTOR
(a)  Disconnect the connector.
(b)  Remove the four screws and t

Page 169 of 4087

LEXUS SC400 1991  Service Repair Manual 
BLOWER RESISTOR
REMOVAL OF BLOWER RESISTOR
1.  REMOVE GLOVE BOXSee page  BO±112
2. REMOVE RESISTOR
(a)  Disconnect the connector.
(b)  Remove the two screws and the resistor.
INSPECTION OF BLOWER RE

Page 170 of 4087

LEXUS SC400 1991  Service Repair Manual 
AMBIENT TEMPERATURE SENSOR
REMOVAL OF AMBIENT TEMPERATURE
SENSOR
1.  REMOVE ENGINE UNDER COVER
2. REMOVE SENSOR
(a)  Remove the clip and the sensor.
(b)  Disconnect the connector.
INSPECTION OF AMBIE
Trending: set clock, AUX, open gas tank, fuel tank removal, lumbar support, oil temperature, overheating