Lexus RX300 (MCU15). Manual — part 446
A05194
L = 133 mm (5.24 in.)
L = 180 mm (7.09 in.)
L = 72 mm (2.83 in.)
L = 335 mm (13.19 in.)
L = 180 mm
(7.09 in.)
L = Length
Join
Line
Join
Line
A05076
New Gasket
EM–68
–
ENGINE MECHANICAL
CYLINDER HEAD
LEXUS RX300 (RM785E)
18.
INSTALL CAMSHAFT TIMING OIL CONTROL VALVES
19.
INSTALL CAMSHAFT POSITION SENSORS
20.
INSTALL NO. 3 TIMING BELT COVER
(a)
Check that the timing belt cover gaskets have no cracks
or peeling, etc.
If the gaskets have cracks or peeling etc., replace them using
these steps:
S
Using a screwdriver and gasket scraper, remove all
the old gasket material.
S
Thoroughly clean all components to remove all the
loose material.
S
Remove the backing paper from a new gasket and
install the gasket evenly to the part of the timing belt
cover shaded black in the illustration.
NOTICE:
When joining 2 gaskets, do not leave a gap between them.
Cut off any excess gasket.
S
After installing the gasket, press down on it so that
the adhesive firmly sticks to the timing belt cover.
(b)
Install the timing belt cover with the 6 bolts.
Torque: 8.5 N·m (85 kgf·cm, 74 in.·lbf)
(c)
Install the 3 engine wire clamps to the timing belt cover.
21.
INSTALL NO. 2 IDLER PULLEY (See page EM–22)
22.
INSTALL CAMSHAFT TIMING PULLEYS
(See page EM–22)
23.
INSTALL TIMING BELT (See page EM–22)
24.
INSTALL SPARK PLUGS
25.
INSTALL IGNITION COILS
26.
INSTALL WATER OUTLET
(a)
Install 2 new gaskets.
(b)
Connect the water outlet to the bypass hose.
(c)
Install the water outlet with the 2 bolts, 2 nuts and 2 plate
washers. Alternately tighten the bolts and nuts.
Torque: 15 N·m (150 kgf·cm, 11 ft·lbf)
NOTICE:
Do not scratch the seal surface of the water outlet with the
stud bolt.
A05075
8
6
5
4
3
2
1
9
10
7
11
A14993
8 mm Hexagon Wrench
A05072
Chamber Stay
Engine
Hanger
–
ENGINE MECHANICAL
CYLINDER HEAD
EM–69
LEXUS RX300 (RM785E)
(d)
Connect the water temperature sensor.
(e)
Connect the ground strap connector.
(f)
Connect the radiator hose.
27.
INSTALL INTAKE MANIFOLD ASSEMBLY
(a)
Install the intake manifold, delivery pipe and injectors as-
sembly with the 9 bolts, 2 plate washers and 2 nuts. Uni-
formly tighten the bolts and nuts, in several passes, in the
sequence shown.
Torque: 15 N·m (150 kgf·cm, 11 ft·lbf)
(b)
Connect the fuel inlet hose to fuel pipe.
CAUTION:
Perform connecting operations of the fuel tube connector
(quick type) after observing the precaution (See page
FI–1).
(c)
Connect the heater hose to intake manifold.
28.
RETIGHTEN WATER OUTLET MOUNTING BOLTS
AND NUTS
Tighten the 2 bolts and 2 nuts.
Torque: 15 N·m (150 kgf·cm, 11 ft·lbf)
29.
INSTALL AIR INTAKE CHAMBER ASSEMBLY
(a)
Using an 8 mm hexagon wrench, install a new gasket and
the air intake chamber assembly with the 2 bolts and 2
nuts. Uniformly tighten the bolts and nuts in several
passes.
Torque: 43 N·m (440 kgf·cm, 32 ft·lbf)
(b)
Install the No. 1 engine hanger with the 2 bolts.
Torque: 39 N·m (400 kgf·cm, 19 ft·lbf)
(c)
Install the air intake chamber stay with the 2 bolts.
Torque: 19.5 N·m (200 kgf·cm, 14 ft·lbf)
(d)
Connect the PCV hose to PCV valve on RH cylinder head.
(e)
Connect the ground strap and cable to intake air control
valve for ACIS.
Connect the strap and ground cable with the nut.
Torque: 14.5 N·m (145 kgf·cm, 10 ft·lbf)
(f)
Connect the ground cable to air intake chamber.
EM–70
–
ENGINE MECHANICAL
CYLINDER HEAD
LEXUS RX300 (RM785E)
(g)
Connect the brake booster vacuum hose to air intake
chamber.
(h)
Connect the 2 water bypass hoses to throttle body.
(i)
Connect the air assist hose to throttle body.
(j)
Connect the purge hose to pipe on emission control valve
set.
(k)
Connect the 2 vacuum hoses to vacuum tank for ACIS.
(l)
Connect the engine wire clamp to emission control valve
set.
(m)
Install the PS pressure tube with the 3 bolts.
(n)
Connect the throttle position sensor connector and
clamps.
(o)
Connect the ISC valve connector.
(p)
Connect the No. 1 VSV connector for ACIS.
(q)
Connect the No. 2 VSV connector for ACIS.
(r)
Connect the VSV connecter for EVAP.
(s)
Connect the accelerator cable.
30.
INSTALL FRONT UPPER SUSPENSION BRACE (See
page EM–82)
31.
INSTALL CRUISE CONTROL ACTUATOR
32.
INSTALL AIR CLEANER CAP AND CASE ASSEMBLY
(See page EM–82)
33.
INSTALL V–BANK COVER
34.
INSTALL FRONT EXHAUST PIPE (See page EM–82)
35.
INSTALL PS PUMP (See page SR–30)
36.
INSTALL ALTERNATOR DRIVE BELT
(See page CH–15)
37.
INSTALL RH FENDER APRON SEAL
38.
INSTALL OUTER COWL TOP PANEL
(See page EM–82)
39.
FILL WITH ENGINE COOLANT
40.
START ENGINE AND CHECK FOR LEAKS
41.
VEHICLE ROAD TEST
Check for abnormal noise, shock, slippage, correct shift points
and smoothly operation.
42.
RECHECK ENGINE COOLANT LEVEL
EM1KV–01
A14988
A05285
N·m (kgf·cm, ft·lbf)
: Specified torque
Wiper Motor with
Wiper Link
Outer Cowl Top Panel
x 6
Wiper Motor
Connector
RH Cowl Top
Ventilator Louver
LH Cowl Top
Ventilator Louver
Hood to Cowl Top Seal
24 (245, 18)
Wiper Arm and
Blade Assembly
13 (130, 9)
Window Washer
Hose
Hood
–
ENGINE MECHANICAL
ENGINE UNIT
EM–71
LEXUS RX300 (RM785E)
ENGINE UNIT
COMPONENTS
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