Lexus LS400 (2000 year). Manual — part 99

A02240

A02238

Wire Clamp

Ground
Cable

Wire Bracket

A02239

EM–84

–

ENGINE MECHANICAL

ENGINE UNIT

1266

(f)

Connect the transmission control rod to the shift lever with
the nut.
Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)

(g)

Install the 2 nuts holding the engine mounting brackets to
the front suspension crossmember.
Torque: 70 N·m (700 kgf·cm, 52 ft·lbf)

(h)

Remove the engine chain hoist.

(i)

Install the heater water valve with the 2 nuts.

8.

INSTALL HEAT INSULATORS FOR FRONT SIDE OF
FRONT EXHAUST PIPE

9.

INSTALL A/C COMPRESSOR

(a)

Install the A/C compressor, compressor stay and wire
bracket with the 3 bolts and nut.
Torque:
Bolt: 49 N·m (500 kgf·cm, 36 ft·lbf)
Nut : 29 N·m (300 kgf·cm, 22 ft·lbf)

(b)

Connect the ground cable to the compressor stay with the
bolt.

(c)

Install the wire clamp to the bracket on the A/C compres-
sor.

(d)

Connect the A/C compressor connector.

10.

INSTALL PS PUMP AND OIL RESERVOIR

(a)

Install the PS pump with the 2 bolts and nut. Alternately
tighten the bolts and nut.
Torque:
Bolt: 39 N·m (400 kgf·cm, 29 ft·lbf)
Nut : 43 N·m (440 kgf·cm, 32 ft·lbf)

(b)

Install the PS oil reservoir with the 3 bolts.

11.

INSTALL ABS ACTUATOR

12.

INSTALL PROPELLER SHAFT (See page

PR–9

)

13.

INSTALL FRONT CENTER FLOOR CROSSMEMBER
BRACE
Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)

14.

INSTALL HEAT INSULATOR FOR REAR SIDE OF
FRONT EXHAUST PIPE

P21965

A02246

A02237

P21962

–

ENGINE MECHANICAL

ENGINE UNIT

EM–85

1267

15.

INSTALL CENTER EXHAUST PIPE

(a)

Install 2 new gaskets.

(b)

Install the center exhaust pipe to the rings on the body
brackets.

(c)

Connect the center exhaust pipe to the tailpipes.
(See page

EM–120

)

16.

INSTALL TWC

Install a new gasket and the TWC with 3 new nuts. Install the
2 TWC.

Torque: 61.8 N·m (630 kgf·cm, 46 ft·lbf)

17.

INSTALL FRONT EXHAUST PIPE

(a)

Temporarily install the pipe support bracket with the 2
bolts.

(b)

Install 2 new gaskets to the rear end of the TWC.

(c)

Install a new gasket to the rear of the front exhaust pipe.

(d)

Temporarily connect the front exhaust pipe to the center
exhaust pipe.

(e)

Install the front exhaust pipe to the TWC and pipe support
bracket with 4 new nuts and the 4 bolts.
Torque:43.1 N·m (440 kgf·cm, 32 ft·lbf)

(f)

Tighten the clamp bolt holding the front exhaust pipe to
the center exhaust pipe. (See page

EM–120

)

(g)

Tighten the 4 bolts holding the pipe support bracket to the
transmission.
Torque: 43.1 N·m (440 kgf·cm, 32 ft·lbf)

18.

INSTALL HEATED OXYGEN SENSORS

Install the 2 oxygen sensors to the front exhaust pipe.

Torque: 44 N·m (450 kgf·cm, 33 ft·lbf)

HINT:

Before installing the oxygen sensor, twist the sensor wire
counterclockwise 3 and 1/2 turns.

After installing the oxygen sensor, check that the sensor
wire is not twisted. If it is twisted, remove the oxygen sen-
sor and reinstall it.

19.

INSTALL PS OIL COOLER PIPE

P21352

EM–86

–

ENGINE MECHANICAL

ENGINE UNIT

1268

20.

CONNECT ENGINE WIRE TO CABIN

(a)

Push in the engine wire through the cowl panel. Install the
grommet.

(b)

Connect the 3 ECM connectors.

(c)

Connect the cowl wire connector to the connector on the
bracket.

(d)

Connect the engine wire clamp to the bracket.

(e)

Install the glove compartment.

(f)

Install the under cover.

21.

CONNECT CONNECTORS, WIRE, STRAPS, CLAMPS
AND HOSES

(a)

Connect the engine oil level sensor connector.

(b)

Connect the generator connector.

(c)

Connect the generator wire.

(d)

Connect the engine wire clamp to the bracket on the gen-
erator.

(e)

Connect the ground strap to the RH engine mounting
bracket.

(f)

Connect the ground strap to under of the LH fender
apron.

(g)

Connect the engine wire clamp to the bracket on the cowl
panel.

(h)

Connect the radiator reservoir hose to the water bypass
pipe.

(i)

Connect the brake booster vacuum hose to the intake
manifold.

(j)

Connect the heater hose to the heater water valve.

(k)

Connect the heater hose to the water bypass pipe.

(l)

Connect the fuel inlet hose to the fuel inlet pipe.
(See page

SF–23

)

(m)

Connect the PS air hose to the intake manifold.

(n)

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

(o)

Connect the oil pressure switch connector.

22.

INSTALL V–BANK COVER BRACKETS TO ENGINE
HANGERS

23.

INSTALL RADIATOR ASSEMBLY (See page

CO–27

)

24.

INSTALL BATTERY

25.

CONNECT ACCELERATOR CABLES TO THROTTLE
BODY

26.

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

EM–22

)

27.

INSTALL AIR CLEANER AND INTAKE AIR CONNEC-
TOR ASSEMBLY

28.

INSTALL AIR CLEANER INLET

29.

INSTALL BATTERY CLAMP COVER

30.

FILL WITH ENGINE COOLANT

31.

FILL WITH ENGINE OIL

32.

START ENGINE AND CHECK FOR LEAKS

–

ENGINE MECHANICAL

ENGINE UNIT

EM–87

1269

33.

INSTALL ENGINE MOUNT MEMBER BRACKET
PLATE

34.

INSTALL LOWER FRONT SUSPENSION MEMBER
PROTECTOR

35.

INSTALL V–BANK COVER

36.

INSTALL ENGINE UNDER COVER

37.

INSTALL OIL PAN PROTECTOR

38.

INSTALL HOOD

39.

PERFORM ROAD TEST

Check for abnormal noise, shock, slippage, correct shift points
and smooth operation.
40.

RECHECK ENGINE COOLANT AND OIL LEVELS