1991 LEXUS SC400 Service Repair Manual

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Page 2417 of 4087

LEXUS SC400 1991 Service Repair Manual (g) Install the accelerator bracket with the bolt and stud bolt. 3. CONNECT HOSES Connect the following hoses:(1) Water by±pass hose (from EGR valve) to water by± pass pipe (2) Vacuum hose (from

Page 2418 of 4087

LEXUS SC400 1991 Service Repair Manual 4. CONNECT CONNECTORSConnect the following connectors:w Cold start injector connector w ISC valve connector w (USA Spec.) EGR valve connector w (Exc. USA Spec.) VSV connector for EGR system w SV conn

Page 2419 of 4087

LEXUS SC400 1991 Service Repair Manual (4) Heater water hose to heater water valve (e) Connect the following connectors: (1) Throttle position sensor connector (2) (w/ TRAC) Sub±throttle position sensor connector (3) (w/ TRAC) Sub±thro

Page 2420 of 4087

LEXUS SC400 1991 Service Repair Manual 8. INSTALL VSV FOR EVAP SYSTEMInstall the VSV with the two bolts. 9. INSTALL LH NO.3 TIMING BELT COVER (a) Install the three gaskets to the timing belt cover. (b) Install the cord grommet to the

Page 2421 of 4087

LEXUS SC400 1991 Service Repair Manual (b) Push the front side of the high±tension cord cover, andconnect the front side claw groove of the upper high±tension cord cover to the claw of the lower high±tension cord cover. (c) Install

Page 2422 of 4087

LEXUS SC400 1991 Service Repair Manual Fuel Pressure Regulator ON±VEHICLE INSPECTION INSPECT FUEL PRESSURE (See page FI±18) FI±42 ± Fuel System (Fuel Pressure Regulator)EFI SYSTEM WhereEverybodyKnowsYourName

Page 2423 of 4087

LEXUS SC400 1991 Service Repair Manual COMPONENTS FOR REMOVAL AND INSTALLATION REMOVAL OF FUEL PRESSURE REGULATOR 1. DISCONNECT CABLE FROM NEGATIVE TERMINAL OFBATTERY CAUTION: Work must be started after approx. 20 se- conds or longer fro

Page 2424 of 4087

LEXUS SC400 1991 Service Repair Manual (b) Remove the bolt holding the intake air connector to thecylinder head cover. (c) Loosen the two hose clamps. (d) Disconnect the intake air connector from the throttle body and air cleaner hose
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