Lexus LS400 (2000 year). Manual - part 97

A02236

PNP Switch connector

VSS Connector

Solenoid
Connector

Direct Clutch
Speed Sensor
Connector

Transmission

Oil Cooler Pipe
for Transmission

Stay

Oil Dipstick and Guide
for Transmission



 O–Ring

Flywheel Housing Under Cover

Front spacer

Drive Plate

Rear Plate

 Precoated part

Engine

Stay

Stay

x 6



 Non–reusable part

Clamp

Clamp

Clamp

Clamp

414 (420, 30)

83 (850, 61)

x 8

N·m (kgf·cm, ft·lbf) : Specified Torque

EM–76

–

ENGINE MECHANICAL

ENGINE UNIT

1258

EM09X–02

–

ENGINE MECHANICAL

ENGINE UNIT

EM–77

1259

REMOVAL

1.

REMOVE HOOD

2.

REMOVE OIL PAN PROTECTOR

3.

REMOVE ENGINE UNDER COVER

4.

REMOVE LOWER FRONT SUSPENSION MEMBER
PROTECTOR

5.

REMOVE ENGINE MOUNT MEMBER BRACKET
PLATE

6.

DRAIN ENGINE COOLANT

7.

DRAIN ENGINE OIL

8.

REMOVE V–BANK COVER

9.

REMOVE BATTERY CLAMP COVER

10.

REMOVE AIR CLEANER INLET

11.

REMOVE AIR CLEANER AND INTAKE AIR CONNEC-
TOR ASSEMBLY

12.

REMOVE BATTERY

13.

REMOVE DRIVE BELT, FAN FLUID COUPLING AND
FAN PULLEY (See page 

EM–15

)

14.

DISCONNECT ACCELERATOR CABLE TO
THROTTLE BODY

15.

REMOVE RADIATOR ASSEMBLY (See page 

CO–21

)

16.

REMOVE V–BANK COVER BRACKETS FROM EN-
GINE HANGERS

17.

DISCONNECT CONNECTORS, WIRE, STRAPS,
CLAMPS AND HOSES

(a)

Disconnect the engine oil level sensor connector.

(b)

Disconnect the generator connector.

(c)

Disconnect the generator wire.

(d)

Disconnect the engine wire clamp from the bracket on
generator.

(e)

Disconnect the ground strap from the RH engine mount-
ing bracket.

(f)

Disconnect the ground strap from under of the LH fender
apron.

(g)

Disconnect the engine wire clamp from the cowl panel.

(h)

Disconnect the radiator reservoir hose from the water by-
pass pipe.

(i)

Disconnect the brake booster vacuum hose from the in-
take manifold.

(j)

Disconnect the heater hose from the heater water valve.

(k)

Disconnect the heater hose from the water bypass pipe.

(l)

Disconnect the fuel inlet hose from the fuel inlet pipe.

(m)

Disconnect the PS air hose from the intake manifold.

(n)

Disconnect the 2 EVAP hoses from the pipes (from char-
coal canister).

(o)

Disconnect the oil pressure switch connector.

18.

DISCONNECT ENGINE WIRE FROM CABIN

(a)

Remove the under cover.

(b)

Remove the glove compartment.

P21352

P21962

A02237

P21965

EM–78

–

ENGINE MECHANICAL

ENGINE UNIT

1260

(c)

Disconnect the 3 ECM connectors.

(d)

Disconnect the cowl wire connector from the connector
on the bracket.

(e)

Disconnect the engine wire clamp from the bracket.

(f)

Disconnect the grommet from the cowl panel, and pull out
the engine wire.

NOTICE:
Be careful not to damage the engine wire.
19.

DISCONNECT PS OIL COOLER PIPE FROM OIL PAN

20.

DISCONNECT HEATED OXYGEN SENSORS FROM
FRONT EXHAUST PIPE

(a)

Disconnect the 2 wire grommets from the floor panel.

(b)

Disconnect the 2 oxygen sensors from the exhaust pipe.

21.

REMOVE FRONT EXHAUST PIPE

(a)

Loosen the clamp bolt holding the front exhaust pipe to
the center exhaust pipe.

(b)

Remove the 4 bolts and 4 nuts holding the front exhaust
pipe to the TWC.

(c)

Remove the front exhaust pipe and 3 gaskets.

(d)

Remove the 2 bolts and pipe support bracket.

22.

REMOVE TWC

Remove the 3 nuts, TWC and gasket. Remove the 2 TWC.

23.

REMOVE CENTER EXHAUST PIPE

(a)

Loosen the 2 clamp bolts, and disconnect the center ex-
haust pipe from the tailpipes.

(b)

Disconnect the exhaust pipe from the 2 rings on the body
brackets, and remove the center exhaust pipe and 2 gas-
kets.

24.

REMOVE HEAT INSULATOR FOR REAR SIDE OF
FRONT EXHAUST PIPE

25.

REMOVE FRONT AND REAR CENTER FLOOR
CROSSMEMBER BRACES

A02238

Wire Clamp

Ground Cable

Wire
Bracket

A02239

A02240

–

ENGINE MECHANICAL

ENGINE UNIT

EM–79

1261

26.

REMOVE PROPELLER SHAFT (See page 

PR–3

)

27.

DISCONNECT A/C COMPRESSOR FROM ENGINE

(a)

Disconnect the A/C compressor connector.

(b)

Disconnect the wire clamp from the wire bracket on the
A/C compressor.

(c)

Remove the bolt, and disconnect the ground cable from
the A/C compressor stay.

(d)

Remove the bolt, nut and A/C compressor stay.

(e)

Remove the bolt, and disconnect the wire bracket from
the A/C compressor.

(f)

Remove the bolt, and disconnect the A/C compressor
from the engine.

28.

REMOVE ABS ACTUATOR

29.

REMOVE PS PUMP AND OIL RESERVOIR

(a)

Remove the 2 bolts, nut and PS pump from the engine.

(b)

Remove the 3 bolts and PS oil reservoir from the RH fend-
er apron.

30.

REMOVE HEAT INSULATORS FOR FRONT SIDE OF
FRONT EXHAUST PIPE

31.

REMOVE ENGINE AND TRANSMISSION ASSEMBLY
FROM VEHICLE

(a)

Remove the 2 nuts, and disconnect the heater water
valve from the cowl panel.

(b)

Attach the engine chain hoist to the engine hangers.

(c)

Remove the 2 nuts holding the engine mounting insula-
tors to the front suspension crossmember.