1991 LEXUS SC400 Service Repair Manual

Page 1417 of 4087

LEXUS SC400 1991  Service Repair Manual 
19. RECONNECT LH CAMSHAFT POSITION SENSORCONNECTOR
20.  RECONNECT COLD START INJECTOR CONNECTOR
21.  REINSTALL RH NO.3 TIMING BELT COVER
(a)  Install the 3 gaskets to the timing belt cover.
(b)  Fit

Page 1418 of 4087

LEXUS SC400 1991  Service Repair Manual 
24.  REINSTALL RH ENGINE WIRE COVER
(a)  Fit portions A and B of the engine wire cover, matching themwith the lower high±tension cord cover and No.3 timing belt
cover.
(b)  Install the timing belt c

Page 1419 of 4087

LEXUS SC400 1991  Service Repair Manual 
(d)  Connect the following hoses:(1)  Air hose to IAC valve
(2) Air  hose (from air control valve on PS pump) to intake air
connector
28. RECONNECT NEGATIVE TERMINAL CABLE TO BATTERY
±
1UZ±FE ENGIN

Page 1420 of 4087

LEXUS SC400 1991  Service Repair Manual 
TIMING BELT
EG21Q±01
COMPONENTS FOR REMOVAL AND
INSTALLATION
EG±44±
1UZ±FE ENGINE ENGINE MECHANICAL 
WhereEverybodyKnowsYourName

Page 1421 of 4087

LEXUS SC400 1991  Service Repair Manual 
±
1UZ±FE ENGINE ENGINE MECHANICALEG±45 
WhereEverybodyKnowsYourName

Page 1422 of 4087

LEXUS SC400 1991  Service Repair Manual 
EG21P±02
TIMING BELT REMOVAL
(See Components for Removal and Installation)
1. REMOVE BATTERY CAUTION: Work must be started after 90 seconds from
the time the ignition switch is turned to the ªLOCK

Page 1423 of 4087

LEXUS SC400 1991  Service Repair Manual 
(c)  Disconnect the following hoses:(1)  2 oil cooler hoses (for cooling fan) from pipes
(2)  2 radiator hoses
(3)  2 oil cooler hoses (for transmission) from radiator
HINT: Plug the hose ends.
(4)

Page 1424 of 4087

LEXUS SC400 1991  Service Repair Manual 
(e)  Slightly lift the radiator, and disconnect the 2 oil cooler hoses(for cooling fan) from the hose clamp on the radiator fan
shroud.
(f)  Remove the radiator assembly.
(g)  Remove the 2 lower radi