Lexus RX300 (MCU15). Service manual — part 448
A05419
EM–76
–
ENGINE MECHANICAL
ENGINE UNIT
LEXUS RX300 (RM785E)
11.
DISCONNECT ALTERNATOR WIRE, CONNECTOR
AND CLAMP
12.
DISCONNECT 2 GROUND STRAP CONNECTORS
FROM RH FENDER APRON
13.
DISCONNECT GROUND STRAP FROM LH FENDER
APRON
14.
DISCONNECT NOISE FILTER CONNECTOR ON LH
FENDER APRON
15.
DISCONNECT BATTERY NEGATIVE (–) CABLE
16.
DISCONNECT 2 CONNECTORS FROM ENGINE
ROOM JUNCTION BLOCK
17.
DISCONNECT BRAKE BOOSTER VACUUM HOSE
FROM AIR INTAKE CHAMBER
18.
DISCONNECT HEATER HOSE FROM INTAKE MAN-
IFOLD
19.
DISCONNECT HEATER HOSE FROM WATER INLET
HOUSING
20.
DISCONNECT FUEL INLET HOSE FROM FUEL PIPE
CAUTION:
Perform disconnecting operations of the fuel tube connec-
tor (quick type) after observing the precautions.
(See page FI–1)
21.
DISCONNECT PURGE HOSE FROM PIPE ON EMIS-
SION CONTROL VALVE SET
22.
DISCONNECT 2 VACUUM HOSES FROM VACUUM
TANK FOR ACIS
23.
DISCONNECT UPPER RADIATOR HOSE FROM WA-
TER OUTLET
24.
DISCONNECT LOWER RADIATOR HOSE FROM WA-
TER INLET PIPE
25.
DISCONNECT 2 A/T COOLER HOSES FROM 2 PIPES
ON TRANSAXLE
26.
DISCONNECT ACCELERATOR CABLE FROM
THROTTLE BODY
27.
DISCONNECT ENGINE WIRE FROM CABIN
(a)
Remove the engine ECU. (See page FI–70)
(b)
Remove the 2 nuts holding the engine wire retainer to the
cowl panel.
(c)
Pull out the engine wire.
28.
REMOVE ALTERNATOR FROM ENGINE
(See page CH–6)
29.
REMOVE A/C COMPRESSOR FROM ENGINE
(See page AC–45)
A05689
A05688
A05420
A05692
–
ENGINE MECHANICAL
ENGINE UNIT
EM–77
LEXUS RX300 (RM785E)
30.
DISCONNECT A/T SHIFT CONTROL CABLE FROM
TRANSAXLE
31.
REMOVE NO. 2 FRONT EXHAUST PIPE
(a)
Remove the 2 bolts holding the No. 2 front exhaust pipe
to the WU–TWC.
(b)
Remove the 2 bolts holding the No. 2 front exhaust pipe
to the front exhaust pipe.
(c)
Remove the No. 2 front exhaust pipe and 2 gaskets.
32.
REMOVE FRONT EXHAUST PIPE
(a)
Remove the 2 nuts holding the front exhaust pipe to the
RH exhaust manifold.
(b)
Remove the 2 bolts and 2 springs holding the front ex-
haust pipe to the center exhaust pipe.
(c)
Remove the front exhaust pipe and 2 gaskets.
33.
REMOVE RH FENDER APRON SEAL
34.
DISCONNECT STABILIZER BAR LINKS
(See page SA–40)
35.
REMOVE DRIVE SHAFTS
(See page SA–17)
36.
REMOVE FRONT PROPELLER SHAFT
(See page PR–3)
37.
DISCONNECT INTERMEDIATE SHAFT ASSEMBLY
(See page SR–12)
38.
DISCONNECT VSV FROM FRONT ENGINE
MOUNTING INSULATOR
(a)
Disconnect the vacuum hoses from the front frame as-
sembly.
(b)
Disconnect the VSV connector and clamp.
(c)
Remove the screw and disconnect the VSV.
39.
DISCONNECT PS HOSE FROM PS OIL RESERVOIR
40.
DISCONNECT PS HOSE FROM PS RESERVOIR PIPE
A05691
A05599
Engine
Hanger
A05604
A05690
A05431
Lower
EM–78
–
ENGINE MECHANICAL
ENGINE UNIT
LEXUS RX300 (RM785E)
41.
DISCONNECT A/T OIL COOLER PIPE
Remove the bolt and disconnect the pipe from the front frame
assembly.
42.
DISCONNECT FENDER APRON SEALS
Remove the screws and turn over the front side of the LH and
RH fender liners.
43.
ATTACH ENGINE SLING DEVICE TO ENGINE
HANGERS
(a)
Install the No. 2 engine hanger in the correct direction.
Part No.:
No. 2 engine hanger 12282–20020
Bolt 91642–80825
Torque: 19.5 N·m (200 kgf·cm, 14 ft·lbf)
(b)
Attach the sling device to the engine hangers.
CAUTION:
Do not attempt to hang the engine by hooking the chain to
any other part.
44.
REMOVE ENGINE MOVING CONTROL ROD AND
NO. 2 RH ENGINE MOUNTING BRACKET
Remove the 4 bolts, control rod and mounting bracket.
45.
REMOVE LOWER BRACES
Remove the 8 bolts and 4 lower braces.
46.
REMOVE ENGINE, TRANSAXLE AND FRONT FRAME
ASSEMBLY FROM VEHICLE
Lower the engine out of the vehicle slowly and carefully.
NOTICE:
Make sure the engine is clear of all wiring, hoses and
cables.
A02065
A05428
A05429
A05425
A05426
–
ENGINE MECHANICAL
ENGINE UNIT
EM–79
LEXUS RX300 (RM785E)
47.
DISCONNECT PS VANE PUMP FROM ENGINE
(a)
Disconnect the PS oil pressure switch connector.
(b)
Remove the 3 bolts, and disconnect the PS pressure
tube.
(c)
Loosen the 2 bolts, and remove the drive belt.
(d)
Remove the 2 bolts, and disconnect the PS vane pump
from the engine.
48.
REMOVE FRONT STABILIZER
Remove the 4 bolts and stabilizer.
49.
REMOVE PS GEAR ASSEMBLY
(a)
Disconnect the PS hose from the pipe.
(b)
Remove the 2 bolts, nut and PS gear assembly.
50.
REMOVE FRONT FRAME ASSEMBLY
(a)
Remove the 3 bolts holding the front engine mounting in-
sulator to the front frame assembly.
(b)
Remove the 4 bolts and engine mounting absorber.
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