Lexus SC300 / Lexus SC400. Service manual — part 583

COMPONENTS FOR DISASSEMBLY AND ASSEMBLY OF CYLINDER BLOCK

–

ENGINE MECHANICAL

Cylinder Block

EM–131

PREPARATION FOR DISASSEMBLY

(See Components on page

EM–131

)

1.

REMOVE DRIVE PLATE
Remove the eight bolts, two spacers and drive plate.

2. INSTALL ENGINE TO ENGINE STAND FOR

DISASSEMBLY

3.

REMOVE TIMING BELT AND PULLEYS
(See pages

EM–36

to 44)

4.

REMOVE Cylinder Block
(See pages

EM–61

to 75)

5.

REMOVE RH ENGINE MOUNTING BRACKET
Remove the four bolts and mounting bracket.

6.

REMOVE LH ENGINE MOUNTING BRACKET
(a) Remove the clamp bolt, and disconnect the engine wire

from the engine mounting bracket.

(b) Remove the four bolts and mounting bracket.

7. REMOVE

STARTER

(a) Remove the two bolts, and disconnect the starter from

the cylinder block.

EM–132

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ENGINE MECHANICAL

Cylinder Block

(b) Disconnect the wire clamp from the bracket on the

starter.

(c) Remove the nut, and disconnect the wire.
(d) Disconnect the connector, and remove the starter.

8.

REMOVE KNOCK SENSORS
(a) Disconnect the two knock sensor connectors.
(b) Using SST, remove the two knock sensors.
SST 09816–30010

9. REMOVE

WATER

BY–PASS

PIPE

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

10. REMOVE ENGINE WIRE

(a) Disconnect the following connectors:

(1) Oil level sensor connector
(2) Oil pressure switch connector

(b) Remove the three bolts and wire cover from the LH side

of the cylinder block.

(c) Remove the two bolts and engine wire.

–

ENGINE MECHANICAL

Cylinder Block

EM–133

11. REMOVE

WATER

PUMP

(a) Remove the five mounting bolt, two mounting stud bolts

and mounting nut.

(b) Remove the water pump by prying the portions between

the water pump and cylinder block with a screwdriver.

12. REMOVE NO.2 AND NO.1 OIL PANS

(See steps 7 to 12 on pages

LU–9

to 11)

13. REMOVE OIL PUMP

(a) Remove the eight mounting bolts.

(b) Remove

the oil pump by prying the portions between the

oil pump and cylinder block with a screwdriver.

(c) Remove the O–ring from the cylinder block.

14. REMOVE

ALTERNATOR

BRACKET

Remove the bolt and bracket.

15. REMOVE WATER SEAL PLATE

Remove the two nuts and seal plate.

EM–134

–

ENGINE MECHANICAL

Cylinder Block