1991 LEXUS SC400 Service Repair Manual

Page 1297 of 4087

LEXUS SC400 1991  Service Repair Manual 
4.  INSPECT DRIVE AND DRIVEN ROTORS
A. Install casing and rotors to rear housingFace the dot mark of the rotors upward.
B. Inspect rotor side clearance HINT: Before measuring the clearance, remove on

Page 1298 of 4087

LEXUS SC400 1991  Service Repair Manual 
5.  INSPECT OIL CLEARANCE OF DRIVE SHAFT(a)  Using a caliper gauge, measure the bushing insidediameter on the housing.
Bushing  inside diameter: 17.00±17.05 mm
(0.6693±0.6713 in.)
(b)  Using a micr

Page 1299 of 4087

LEXUS SC400 1991  Service Repair Manual 
REPLACEMENT OF OIL SEAL
1.  REMOVE OIL SEALUsing SST and a hammer, tap out the oil seal.
SST 09631±10030
2.  INSTALL OIL SEAL (a)  Using a 22 mm  socket wrench and hammer, tap in a new
oil seal unti

Page 1300 of 4087

LEXUS SC400 1991  Service Repair Manual 
(b)  Insert the compression spring and spool valve into therear housing.
(c)  Install a new O±ring to the end plug.
(d)  Apply fluid to the O±ring.
(e)  Temporarily install the end plug.
(f)  Inser

Page 1301 of 4087

LEXUS SC400 1991  Service Repair Manual 
3.  REMOUNT REAR HOUSINGHINT: Mount the parts in a vise as shown in the illustration.
4. INSTALL CASING HINT: If rubber from the O±rings adheres to the O±ring instal-
lation location, replace the c

Page 1302 of 4087

LEXUS SC400 1991  Service Repair Manual 
9.  INSTALL FRONT HOUSING(a)  Install a new O±ring to the casing groove.
(b)  Align the pin holes of the front housing with the straightpin.
(c)  Apply a light coat of fluid on the threads and under

Page 1303 of 4087

LEXUS SC400 1991  Service Repair Manual 
(c)  Using SST, install the pulley with the nut. Tighten the nut
by turning it counterclockwise.
SST 09278±54012
Torque: 59 N Vm (600 kgf Vcm, 43 ft Vlbf)
12.  INSTALL SOLENOID VALVE
(a)  Install a

Page 1304 of 4087

LEXUS SC400 1991  Service Repair Manual 
INSTALLATION OF HYDRAULIC PUMP
(See Components on page CO±26)
1.  INSTALL HYDRAULIC PUMP (a)  Install the hydraulic pump, solenoid valve connector
clamp  and engine speed sensor wire clamp with the