1991 LEXUS SC400 Service Repair Manual

Page 2985 of 4087

LEXUS SC400 1991  Service Repair Manual 
(b)  Check the flow control valve for leakage.Close one of the holes and apply compressed air 392 ±490
kPa (4±5 kgf/ cm
2, 57±71 psi) into the opposite side, and con-
firm that air does not come o

Page 2986 of 4087

LEXUS SC400 1991  Service Repair Manual 
6.  IF NECESSARY, REPLACE BEARING
(a)  Using snap ring pliers, remove the snap ring.
(b)  Using a press, press out the bearing.
(c)  Using a press, press in a new bearing.
(d)  Using snap ring pliers

Page 2987 of 4087

LEXUS SC400 1991  Service Repair Manual 
(b)  Coat new 2 O±rings with power steering fluid and install themto the side front plate.
(c)  Coat a new O±rings with power steering fluid and install it to the side rear plate.
(d)  Using SST an

Page 2988 of 4087

LEXUS SC400 1991  Service Repair Manual 
(h)  Coat the 10 vane plates with power steering fluid.
(i)  Install the 10 vane plates with the round end facing outward.
(j)  Match the wide hole with the longer straight pin and press inthe side r

Page 2989 of 4087

LEXUS SC400 1991  Service Repair Manual 
6.  MEASURE PUMP SHAFT PRELOAD
(a)  Check that the shaft rotates smoothly without abnormalnoise.
(b)  Temporarily install the pulley nut and check the rotating
torque.
Rotating torque:
0.1 N Vm (1.0

Page 2990 of 4087

LEXUS SC400 1991  Service Repair Manual 
8.  INSTALL SUCTION PORT UNION
(a)  Coat a new O±ring with power steering fluid and install it tothe suction port union.
(b)  Install the suction port union with the 2 bolts.
Torque: 13 N Vm (130 kg

Page 2991 of 4087

LEXUS SC400 1991  Service Repair Manual 
GEAR HOUSING
(SC400)
GEAR HOUSING REMOVAL AND
INSTALLATION
SR0GG±03
Remove and install the parts, as shown.
MAIN POINTS OF REMOVAL AND
INSTALLATION
NOTICE: When disconnecting the intermediate shaft

Page 2992 of 4087

LEXUS SC400 1991  Service Repair Manual 
1. DISCONNECT INTERMEDIATE SHAFT
(a)  Position the front wheels facing straight ahead.
(b)  Using the seat belt of the drivers seat, fix the steering wheelso that it does not turn.
(c)  Place matchm