1991 LEXUS SC400 Service Repair Manual

Page 1305 of 4087

LEXUS SC400 1991  Service Repair Manual 
5.  INSTALL DRIVE BELT IDLER PULLEYInstall the idler pulley and cover plate with the pulley bolt.
Torque: 37 N Vm (380 kgf Vcm, 27 ft Vlbf)
6.  CONNECT RADIATOR HOSE TO WATER INLET
7.  INSTALL RH NO.

Page 1306 of 4087

LEXUS SC400 1991  Service Repair Manual 
11.  INSTALL LH ENGINE WIRE COVER(a)  Connect  portions A and B engine wire cover to the wirebrackets.
(b)  Set the VSV (for fuel pressure control system) wire in
original position.
(c)  Fit portions

Page 1307 of 4087

LEXUS SC400 1991  Service Repair Manual 
14. INSTALL IGNITION COIL(a)  Install the ignition coil with the two bolts.
(b)  Connect the following connectors and cord:(1) Ignition coil connector
(2) Noise filter connector
(3) High±tension cor

Page 1308 of 4087

LEXUS SC400 1991  Service Repair Manual 
18. INSTALL BATTERY
19.  FILL ENGINE WITH COOLANT (See page CO±7)
20.  FILL COOLING FAN RESERVOIR TANK WITH FLUID (See pages  CO±23 and 24)
21.  START ENGINE AND CHECK FOR LEAKS
22.  INSTALL ENGINE

Page 1309 of 4087

LEXUS SC400 1991  Service Repair Manual 
Hydraulic Motor
COMPONENTS FOR REMOVAL AND
INSTALLATION
±
COOLIING SYSTEM Electronically Controlled Hydraulic Cooling Fan
(Hydraulic Motor)CO±47 
WhereEverybodyKnowsYourName

Page 1310 of 4087

LEXUS SC400 1991  Service Repair Manual 
REMOVAL OF HYDRAULIC MOTOR
(See Components on page CO±47)
1. REMOVE BATTERY CAUTION: Work must be started after approx. 20 se-
conds or longer from the time the ignition switch is
turned to  the ºL

Page 1311 of 4087

LEXUS SC400 1991  Service Repair Manual 
6.  DISCONNECT COOLING FAN INLET PIPE FROM FANSHROULD
Remove the two bolts, brackets and bushings, and discon-
nect the inlet pipe.
7.  DISCONNECT COOLING FAN RESERVOIR TANK FROM FAN SHROULD
(a)  Dis

Page 1312 of 4087

LEXUS SC400 1991  Service Repair Manual 
9.  REMOVE COOLING FAN FROM HYDRAULIC MOTORLoosen the pulley nut clockwise, and remove the nut, plate
washer and fan.
10.  REMOVE HYDRAULIC MOTOR FROM FAN SHROULD Remove the three bolts and hydraulic