1991 LEXUS SC300 Service Repair Manual

Page 2577 of 4087

LEXUS SC300 1991  Service Repair Manual 
DESCRIPTION
The starter is a reduction type starter with a small, high±speed motor u\
sed to drive the pinion gear. It is
installed in the center of the V±bank of the cylinder block. ST±2
±
START

Page 2578 of 4087

LEXUS SC300 1991  Service Repair Manual 
SYSTEM CIRCUIT
OPERATION
When the ignition switch is turned to START, current flows from terminal 50 to the coil of the solenoid and
the plunger is pulled by the magnetic force of the coil. When the

Page 2579 of 4087

LEXUS SC300 1991  Service Repair Manual 
PREPARATION
SST (SPECIAL SERVICE TOOLS)
09201±41020Valve Stem Oil
Seal ReplacerArmature rear bearing
09286±46011Injection Pump
Spline Shaft PullerArmature front bearing
09612±24014
Steering Gear
H

Page 2580 of 4087

LEXUS SC300 1991  Service Repair Manual 
STARTER
COMPONENTS FOR REMOVAL AND
INSTALLATION
±
STARTING SYSTEM StarterST±5 
WhereEverybodyKnowsYourName

Page 2581 of 4087

LEXUS SC300 1991  Service Repair Manual 
REMOVAL OF STARTER
(See Components on page ST±5)
1.  DISCONNECT CABLE FROM NEGATIVE TERMINAL OF BATTERY
CAUTION: Work must be started after approx. 20 se-
conds or longer from the time the ignition

Page 2582 of 4087

LEXUS SC300 1991  Service Repair Manual 
6.  REMOVE UPPER HIGH±TENSION CORD COVER(a)  Remove the two mounting bolts.
(b)  Disconnect  the front side claw groove of the cord coverfrom the claw of the lower cover, and remove the cord
cover.

Page 2583 of 4087

LEXUS SC300 1991  Service Repair Manual 
11.  REMOVE LH NO.3 TIMING BELT COVER(a)  Remove the four mounting bolts.
(b) Disconnect   the cord grommet from the timing belt cover,
and remove the timing belt cover.
(c)  Remove the cord grommet

Page 2584 of 4087

LEXUS SC300 1991  Service Repair Manual 
(2)  Water by±pass hose from ISC valve
(3) (USA Spec.)Vacuum hose from throttle body
(4)  (Exc. USA Spec.)
Three vacuum hoses from throttle body
(c)  Remove the two bolts and two nuts, disconnect th