Lexus LS400 (2000 year). Manual — part 95
A03188
RH Cylinder Head
LH Cylinder Head
A03189
RH Cylinder Head
LH Cylinder Head
EM–68
–
ENGINE MECHANICAL
CYLINDER HEAD
1250
(c)
Install the 4 semi–circular plugs to the cylinder heads.
13.
INSTALL CYLINDER HEAD COVER
(a)
Remove any old packing (FIPG) material.
(b)
Apply seal packing to the cylinder heads as shown in the
illustration.
Seal packing:
Part No. 08826–00080 or equivalent
(c)
Install the gasket to the cylinder head cover.
(d)
Install the seal washer to the bolt.
(e)
Install the cylinder head cover with the 9 bolts. Uniformly
tighten the bolts in several passes. Install the 2 cylinder
head covers.
Torque: 6.0 N·m (60 kgf·cm, 53 in.·lbf)
14.
INSTALL ENGINE HANGERS
Torque: 37 N·m (380 kgf·cm, 27 ft·lbf)
15.
INSTALL VVT SENSORS
16.
INSTALL CAMSHAFT TIMING OIL CONTROL VALVE
(See page
17.
INSTALL OIL DIPSTICK AND GUIDE FOR ENGINE
(See page
)
18.
INSTALL OIL DIPSTICK AND GUIDE FOR A/T
(See page
A02860
A02849
A03190
White Painted
Mark
A04269
B01210
–
ENGINE MECHANICAL
CYLINDER HEAD
EM–69
1251
19.
INSTALL REAR WATER BYPASS JOINT
(a)
Install 2 new gaskets to the cylinder head.
(b)
Install the 4 nuts holding the water bypass joint to the cyl-
inder heads. Alternately tighten the nuts.
Torque: 18 N·m (185 kgf·cm, 13 ft·lbf)
20.
INSTALL FRONT WATER BYPASS JOINT
(a)
Install 2 new gaskets and the water bypass joint with the
4 nuts. Alternately tighten the nuts.
Torque: 18 N·m (185 kgf·cm, 13 ft·lbf)
(b)
Connect ECT sensor connector.
21.
INSTALL WATER INLET AND INLET HOUSING AS-
SEMBLY (See page
)
22.
INSTALL INTAKE MANIFOLD ASSEMBLY
(a)
Place 2 new gaskets on the cylinder heads with white
painted mark facing upward.
NOTICE:
Align the port holes of the gasket and cylinder head.
Be careful of the installation direction.
(b)
Place the intake manifold assembly on the cylinder
heads.
(c)
Install and uniformly tighten the 6 bolts and 4 nuts in sev-
eral passes.
Torque: 18 N·m (185 kgf·cm, 13 ft·lbf)
(d)
Connect the engine wire to the RH delivery pipe, rear wa-
ter bypass joint, intake manifold and RH cylinder head.
(1)
Connect the wire clamp bracket and wire protector
to the intake manifold with the 3 bolts.
A02845
B01208
A02866
A02846
(j)
(k)
(m)
(l)
(o)
(n)
EM–70
–
ENGINE MECHANICAL
CYLINDER HEAD
1252
(2)
Connect the wire protector to the rear water bypass
joint and RH cylinder head with the 3 bolts.
(3)
Connect the 2 wire clamp to the wire clamp bracket
on the RH delivery pipe.
(e)
Install the 3 V–bank cover brackets with the 4 bolts.
Torque: 7.5 N·m (80 kgf·cm, 66 ft·lbf)
(f)
Connect the VSV connector for ACIS to the No.1 V–bank
cover bracket.
(g)
Install the accelerator cable bracket with the 2 nuts.
Torque: 18 N·m (185 kgf·cm, 13 ft·lbf)
(h)
Install the VSV for EVAP with the bolt.
Torque: 18 N·m (185 kgf·cm, 13 ft·lbf)
(i)
Install the EVAP pipe to the intake manifold with the 2
bolts.
(j)
Connect the brake booster vacuum hose to the union on
the intake manifold.
(k)
Connect the PCV hose to the PCV valve on the LH cylin-
der head.
(l)
Connect the EVAP hose (from the charcoal canister) to
the VSV for EVAP.
(m)
Connect the EVAP hose (from the charcoal canister) to
the EVAP pipe on the intake manifold.
(n)
Connect the EVAP hose (from the intake air connector) to
the EVAP pipe on the intake manifold.
(o)
Connect the PS air hose to the intake manifold.
A02847
(p)
(q)
A02246
–
ENGINE MECHANICAL
CYLINDER HEAD
EM–71
1253
(p)
Connect the No.1 water bypass hose (from the water inlet
housing) to the throttle body.
(q)
Connect the No.7 water bypass hose (from the front water
bypass joint) to the throttle body.
(r)
Connect the 2 wire clamp to the throttle body.
(s)
Connect the throttle position sensor connector.
(t)
Connect the accelerator pedal position sensor connector.
(u)
Connect the throttle motor connector.
(v)
Connect the VSV connector for EVAP.
(w)
Connect the VSV connector for ACIS.
(x)
Connect the 8 injector connectors.
(y)
Connect the noise filter connector.
(z)
Connect the accelerator cable.
23.
CONNECT FUEL INLET HOSE (See page
24.
INSTALL TIMING BELT REAR PLATES
(a)
Install the RH timing belt rear plates.
(1)
Install the No.1 timing belt rear plate to the cylinder
head with the bolt and stud bolt.
Torque: 7.5 N·m (80 kgf·cm, 66 in.·lbf)
(2)
install the No.2 timing belt rear plate to the No.1 tim-
ing belt rear plate with the 2 bolts.
Torque: 7.5 N·m (80 kgf·cm, 66 in.·lbf)
(b)
Install the LH timing belt rear plates.
(1)
Connect the wire clamp to the No.1 timing belt rear
plate.
(2)
Install the No.1 timing belt rear plate to the cylinder
head with the bolt.
Torque: 7.5 N·m (80 kgf·cm, 66 in.·lbf)
(3)
install the No.2 timing belt rear plate to the No.1 tim-
ing belt rear plate with the 2 bolts.
Torque: 7.5 N·m (80 kgf·cm, 66 in.·lbf)
25.
INSTALL IGNITION COILS (See page
26.
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)
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