Lexus GS300/400 (2000 year). Service manual — part 132

P02103

P02175

Protrusion

EM–22

–

ENGINE MECHANICAL (2JZ–GE)

TIMING BELT

1376

(b)

Hold the tensioner with both hands and push the push rod
strongly against the floor or wall to check that it doesn’t
move.

If the push rod moves, replace the tensioner.

(c)

Measure the protrusion of the push rod from the housing
end.
Protrusion: 8.0 – 8.8 mm (0.315 – 0.346 in.)

If the protrusion is not as specified, replace the tensioner.

EM0D8–04

A02644

Inward

A02720

A02641

10 mm Hexagon Wrench

Adhesive

A02658

Timing
Mark

Dot Mark

A02642

–

ENGINE MECHANICAL (2JZ–GE)

TIMING BELT

EM–23

1377

INSTALLATION

1.

INSTALL CRANKSHAFT TIMING PULLEY

(a)

Align the pulley set key with the key groove of the pulley.

(b)

Slide on the timing pulley facing the flange side inward.

NOTICE:
Do not scratch the sensor part of the crankshaft timing
pulley.

(c)

Install the timing belt plate with the bolt.
Torque: 8.0 N·m (80 kgf·cm, 71 in.·lbf)

2.

INSTALL IDLER PULLEY

(a)

Apply adhesive to 2 or 3 threads of the pivot bolt.
Adhesive:
Part No. 08833–00080, THREE BOND 1344,
LOCTITE 242 or equivalent

(b)

Using a 10 mm hexagon wrench, install the plate washer
and pulley with the pivot bolt.
Torque: 35 N·m (350 kgf·cm, 26 ft·lbf)

(c)

Check that the pulley bracket moves smoothly.

3.

TEMPORARILY INSTALL TIMING BELT

NOTICE:
The engine should be cold.
(a)

Use the crankshaft pulley bolt to turn the crankshaft, and
align the dot mark on the crankshaft timing pulley and the
timing mark on the oil pump body.

(b)

Remove any oil or water on the crankshaft timing pulley
and idler pulley, and keep them clean.

(c)

Install the timing belt on the crankshaft timing pulley and
idler pulley.

HINT:
When re–using timing belt:
Align the matchmarks of the crankshaft timing pulley and timing
belt, and install the belt with the arrow pointing in the direction
of engine revolution.

A02643

A02657

60

°

45

°

15

°

(Set Key Groove Angle)

Timing Mark

Sub
Timing
Mark

A02648

Align

A02659

30

°

EM–24

–

ENGINE MECHANICAL (2JZ–GE)

TIMING BELT

1378

4.

INSTALL TIMING BELT GUIDE

Install the guide, facing the cup side outward.
5.

INSTALL NO.1 TIMING BELT COVER

(a)

Install the gasket to the timing belt cover.

(b)

Install the timing belt cover with the 5 bolts.
Torque: 8.0 N·m (80 kgf·cm, 71 in.·lbf)

6.

INSTALL CRANKSHAFT PULLEY

(a)

Align the pulley set key with the key groove of the pulley,
and slide on the pulley.

(b)

Check that the sub timing mark (60

°

mark BTDC) of the

crankshaft pulley is aligned with the timing mark ”0” of the
No.1 timing belt cover.

HINT:
At this time, the crankshaft pulley set key groove and the timing
mark (TDC mark) of the crankshaft pulley are as shown the il-
lustration.
(c)

Temporarily install the pulley bolt.

7.

INSTALL VVT–i (INTAKE CAMSHAFT TIMING)
PULLEY

(a)

Align the camshaft knock pin with the VVT–i pulley, and
push the VVT–i pulley by hand until you feel it touch the
bottom.

(b)

Check that the outer circumference of the VVT–i pulley
easily rotates through 30

°

.

A02726

Seal Washer

Set Bolt

Hold

Straight
Screw
Plug

A02722

Mesh Part

Frame Part

A11126

5 mm
Hexagon
Wrench

A02661

Front Mark

SST

–

ENGINE MECHANICAL (2JZ–GE)

TIMING BELT

EM–25

1379

(c)

Holding the hexagon portion of the camshaft with a
wrench.

(d)

Using a 10 mm hexagon wrench, and the set bolt.
Torque: 81 N·m (810 kgf·cm, 60 ft·lbf)

(e)

Using a 14 mm hexagon wrench, install the straight screw
plug with the seal washer to the set bolt.
Torque: 15 N·m (150 kgf·cm, 11 ft·lbf)

(f)

Align the dot mark on the camshaft timing pulley with the
timing mark of the No.4 timing belt cover.

(g)

Remove the wrench.

8.

CONNECT NO.1 OIL PIPE

(a)

Install the union bolt to the oil control valve filter.

NOTICE:
In case of touching the filter, avoid holding the mesh part
and holding the frame part.
(b)

Install the oil pipe with 2 new gasket and the union bolt to
the No.3 camshaft bearing cap.
Torque: 55 N·m (550 kgf·cm, 41 ft·lbf)

9.

INSTALL CAMSHAFT TIMING OIL CONTROL VALVE
(See page

SF–43

)

10.

INSTALL NO.1 CYLINDER HEAD COVER

(a)

Install the cylinder head and gasket with the 6 bolts and
2 nuts.
Torque: 8.5 N·m (85 kgf·cm, 75 in.·lbf)

(b)

Install the high–tension cords and clamps with the 2 bolts.
Torque: 8.0 N·m (80 kgf·cm, 71 in.·lbf)

(c)

Using a 5 mm hexagon wrench, install the engine wire
protector with the bolt and nut.

11.

INSTALL THROTTLE BODY AND INTAKE AIR
CONNECTOR ASSEMBLY (See page

EM–5

)

12.

INSTALL ENGINE COVER

Install the engine cover with the 4 nuts.

13.

INSTALL EXHAUST CAMSHAFT TIMING PULLEY

(a)

Align the camshaft knock pin with the groove on the
pulley, and slide on the timing pulley.

(b)

Slide the timing pulley on the camshaft, facing the front
mark forward.

(c)

Using SST, install the pulley bolt.
SST

09960–10010 (09962–01000, 09963–01000)

Torque: 81 N·m (810 kgf·cm, 60 ft·lbf)