1991 LEXUS SC300 radiator

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Page 2112 of 4087

LEXUS SC300 1991  Service Repair Manual 
REMOVAL OF DISTRIBUTOR
(See Components on page IG±23)
1.  DRAIN ENGINE COOLANT (See page  CO±6)
2.  DISCONNECT RADIATOR HOSE FROM WATER INLET
3.  REMOVE NO.3 TIMING BELT COVERS
(See steps 1 to 8 on

Page 2116 of 4087

LEXUS SC300 1991  Service Repair Manual 
9.  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)
10.  INSTALL NO.3 TIMING BELT COVERS
(See steps 5 to 9 and

Page 2171 of 4087

LEXUS SC300 1991  Service Repair Manual 
19. BRAKE PEDAL
(a)  Check that pedal for smooth operation.
(b)  Check that the pedal has the proper reservedistance  and freeplay.
(c)  Check the brake booster function.
20. BRAKES At a safe place,

Page 2208 of 4087

LEXUS SC300 1991  Service Repair Manual 
ENGINE TUNE±UP
INSPECTION OF ENGINE COOLANT
1. INSPECT ENGINE COOLANT LEVEL AT RESERVOIRTANK
The coolant level should be above the ºCOLD LEVELº at 
normal temperature (20 5C (68 5F)).
If low, chec

Page 2235 of 4087

LEXUS SC300 1991  Service Repair Manual 
REMOVAL OF TIMING BELT
(See Components on pages EM±33 and 34)
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

Page 2257 of 4087

LEXUS SC300 1991  Service Repair Manual 
37.  INSTALL A/C COMPRESSOR(a) In sta ll th e A/C co mp re sso r, co mp re sso r sta y an dground  cable with the three bolts and nut.
Torque: Bolt 49 N Vm (500 kgf Vcm, 36 ft Vlbf)
Nut 29 N Vm (300

Page 2320 of 4087

LEXUS SC300 1991  Service Repair Manual 
12. REMOVE RADIATOR RESERVOIR TANK(a)  Disconnect the coolant level sensor connector.
(b)  Disconnect the following hoses:(1)  Reservoir hose to water inlet housing
(2)  Reservoir hose to radiator
(c

Page 2321 of 4087

LEXUS SC300 1991  Service Repair Manual 
(3)  Two oil cooler hoses (for A/T) from radiator Plug thehose ends.
(4)  Suction hose from hydraulic pump
(5)  Pressure hose from hydraulic pump
(c) Re mo ve th e two bo lts, scre w an d u pper radi