1991 LEXUS SC400 Service Repair Manual

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Page 2585 of 4087

LEXUS SC400 1991 Service Repair Manual 15. DISCONNECT HOSESDisconnect the following hoses:(1) Water by±pass hose (from water inlet housing) from ISC valve (2) Vacuum hose (from PS air control valve) from air in- take chamber (3) Vacuu

Page 2586 of 4087

LEXUS SC400 1991 Service Repair Manual (b) Remove the union bolt and two gaskets, and disconnectthe cold start injector tube from the RH delivery pipe. (c) Remove the two bolts and gasket, and disconnect the EGR pipe from the air intake

Page 2587 of 4087

LEXUS SC400 1991 Service Repair Manual 19. DISCONNECT EGR PIPE FROM RH CYLINDER HEADRemove the bolt holding the EGR pipe to the cylinder head, and disconnect the EGR pipe. 20. DISCONNECT ENGINE WIRE FROM INTAKE MANIFOLD Remove the two b

Page 2588 of 4087

LEXUS SC400 1991 Service Repair Manual 22. REMOVE FUEL RETURN PIPE(a) Remove the bolt holding the return pipe to the LHcylinder head. (b) Remove the union bolt, two gaskets and return pipe. 23. REMOVE DELIVERY PIPES AND INTAKE MANIFOLD

Page 2589 of 4087

LEXUS SC400 1991 Service Repair Manual 27. REMOVE STARTER(a) Remove the two bolts holding the starter to the cylinderblock. (b) Disconnect the starter connector. (c) Remove the nut, and disconnect the starter wire. (d) Disconnect the

Page 2590 of 4087

LEXUS SC400 1991 Service Repair Manual COMPONENTS FOR DISASSEMBLY AND ASSEMBLY DISASSEMBLY OF STARTER 1. REMOVE FIELD FRAME AND ARMATURE(a) Remove the nut, and disconnect the lead wire from themagnetic switch terminal. (b) Remove the t

Page 2591 of 4087

LEXUS SC400 1991 Service Repair Manual 2. REMOVE STARTER HOUSING, CLUTCH ASSEMBLYAND GEARS (a) Remove the two mounting screws. (b) Remove the following parts from the magnetic switch:(1) Starter housing (2) Return spring (3) Pinion gea

Page 2592 of 4087

LEXUS SC400 1991 Service Repair Manual INSPECTION AND REPAIR OF STARTER Armature Coil 1. INSPECT COMMUTATOR FOR OPEN CIRCUITUsing an ohmmeter, check that there is continuity between the segments of the commutator. If there is no continui
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