Lexus SC300 / Lexus SC400. Manual — part 647

19. DISCONNECT EGR PIPE FROM RH CYLINDER HEAD

Remove 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 bolts, and disconnect the engine wire.

21. DISCONNECT ENGINE WIRE FROM DELIVERY PIPES,

REAR WATER BY–PASS JOINT AND RH CYLINDER
HEAD
(a) Remove the four bolts holding the engine wire to the

delivery pipes, and disconnect the engine wire from the
delivery pipe.

(b) Remove

the two bolts holding the engine wire to the rear

water by–pass joint, and disconnect the engine wire
from the rear water by–pass joint.

(c) Remove

the two bolts holding the engine wire to the rear

side of the RH cylinder head, and disconnect the engine
wire from the RH cylinder head.

(d) Disconnect the two engine wire connectors from the

connector bracket on the front side of the LH delivery
pipe.

(e) Disconnect the eight injector connectors.

ST–12

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STARTING SYSTEM

Starter

22. REMOVE FUEL RETURN PIPE

(a) Remove the bolt holding the return pipe to the LH

cylinder head.

(b) Remove the union bolt, two gaskets and return pipe.

23. REMOVE DELIVERY PIPES AND INTAKE MANIFOLD

ASSEMBLY
(a) Remove the six bolts and four nuts holding the intake

manifold to the cylinder heads.

(b) Remove the two delivery pipe and intake manifold

assembly.

(c) Remove the two intake manifold gaskets.

24. DISCONNECT HEATER WATER HOSES FROM WATER

BY–PASS PIPE AND REAR WATER BY–PASS JOINT

25. REMOVE

WATER

BY–PASS PIPE

(a) Remove the two mounting bolts.
(b) Pull out the water by–pass pipe from the water pump.
(c) Remove the O–ring from the water by–pass pipe.

26. REMOVE REAR WATER BY–PASS JOINT

Remove the four nuts, water by–pass joint and two gaskets.

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STARTING SYSTEM

Starter

ST–13

27. REMOVE STARTER

(a) Remove the two bolts holding the starter to the cylinder

block.

(b) Disconnect the starter connector.
(c) Remove the nut, and disconnect the starter wire.
(d) Disconnect the wire clamp from the wire bracket, and

remove the starter.

ST–14

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STARTING SYSTEM

Starter

COMPONENTS FOR DISASSEMBLY AND
ASSEMBLY

DISASSEMBLY OF STARTER

1.

REMOVE FIELD FRAME AND ARMATURE
(a) Remove the nut, and disconnect the lead wire from the

magnetic switch terminal.

(b) Remove the two through bolts, spring washer, wire

bracket and two O–rings.

(c) Pull out the field frame together with the armature.
(d) Remove the O–ring from the field frame.

–

STARTING SYSTEM

Starter

ST–15