Lexus RX300 (MCU15). Manual — part 451
EM0BG–04
A14994
Knock Sensor Connector
Engine Wire Band
Engine Wire
Knock Sensor
Water Inlet Housing
(With Water Inlet)
No.2 Idler Pulley Bracket
Water Seal Plate
Engine Coolant
Drain Union
Oil Filter Union
Oil Filter
z Gasket
Water Pump
z Crankshaft
Front Oil Seal
Crankshaft
Position Sensor
Connector
L Oil Pressure Switch
Oil Pressure Switch
Connector
A/C Compressor
Housing Bracket
No.1 Oil Pan
x 17
Oil Pump
z Gasket
z Gasket
Engine Wire
Alternator
Drain Plug
x 10
No. 2 Oil Pan
Oil Strainer
z Non–reusable part
N·m (kgf·cm, ft·lbf) : Specified torque
Precoated part
L
8 (80, 69 in.·lbf)
8.0 (80, 69 in.·lbf)
10 mm Head 8 (80, 69 in.·lbf)
12 mm Head 19.5 (200, 14)
10 mm Head 8.0 (80, 69 in.·lbf)
12 mm Head 19.5 (200, 14)
45 (460, 33)
8.0 (80, 69 in.·lbf)
9.0 (90, 78 in.·lbf)
x 8
8.0 (80, 69 in.·lbf)
28 (290, 21)
L
18 (180, 13)
25 (250, 18)
39 (400, 29)
No. 2 Water
Temperature
Connector
z O–Ring
x 9
L Engine Coolant
Drain Union
EM–88
–
ENGINE MECHANICAL
CYLINDER BLOCK
LEXUS RX300 (RM785E)
CYLINDER BLOCK
COMPONENTS
Z18551
No. 1 Piston Ring
Oil Ring (Expander)
Piston
z Snap Ring
Connecting Rod
Connecting Rod Bearing
Connecting Rod Cap
Oil Ring (Side Rail)
Piston Pin
No. 2 Piston Ring
z Snap Ring
z Connecting Rod Bushing
z Crankshaft
Rear Oil Seal
z Seal Washer
Rear Oil Seal
Retainer
Cylinder Block
Upper Main Bearing
Upper Crankshaft
Thrust Washer
Crankshaft
Lower Crankshaft
Thrust Washer
Lower Main Bearing
Main Bearing Cap
z Seal Washer
z Non–reusable part
N·m (kgf·cm, ft·lbf) : Specified torque
27 (275, 20)
x 6
See Page EM–108
1st 24.5 (250, 18)
2nd Turn 90°
See Page EM–108
1st 22 (225, 16)
2nd Turn 90°
8.0 (80, 69 in.·lbf)
–
ENGINE MECHANICAL
CYLINDER BLOCK
EM–89
LEXUS RX300 (RM785E)
EM1KU–01
A05415
A05251
A05252
P18761
P12389
SST
EM–90
–
ENGINE MECHANICAL
CYLINDER BLOCK
LEXUS RX300 (RM785E)
DISASSEMBLY
1.
REMOVE DRIVE PLATE
Remove the 8 bolts, rear plate, drive plate and front spacer.
2.
INSTALL ENGINE TO ENGINE STAND FOR
DISASSEMBLY
3.
REMOVE TIMING BELT AND PULLEYS
(See page EM–16)
4.
REMOVE CYLINDER HEAD
(See page EM–33)
5.
DISCONNECT CRANKSHAFT POSITION SENSOR
CONNECTOR
6.
DISCONNECT OIL PRESSURE SWITCH CONNECTOR
7.
REMOVE ALTERNATOR, ADJUSTING BAR AND
BRACKET ASSEMBLY
(a)
Disconnect the 2 wire clamps from the wire brackets.
(b)
Remove the 3 nuts, the alternator, adjusting bar and
bracket assembly.
8.
REMOVE OIL PRESSURE SWITCH
(See page LU–1)
9.
REMOVE A/C COMPRESSOR HOUSING BRACKET
Remove the 2 bolts and compressor housing bracket.
10.
REMOVE NO. 2 IDLER PULLEY BRACKET
Remove the 2 bolts and idler pulley bracket.
11.
REMOVE KNOCK SENSORS
(a)
Disconnect the 2 knock sensor connectors.
(b)
Using SST, remove the 2 knock sensors.
SST
09816–30010
A05253
P18763
Water
Seal
Plate
Oil Filter
Union
12 mm
Hexagon
Wrench
Coolant
Drain
Union
P12508
–
ENGINE MECHANICAL
CYLINDER BLOCK
EM–91
LEXUS RX300 (RM785E)
12.
REMOVE WATER INLET HOUSING
(a)
Remove the engine wire band.
(b)
Disconnect the engine wire clamp from the bracket.
(c)
Disconnect the No. 2 water temperature switch connec-
tor.
(d)
Disconnect the engine wire clamp from the water inlet.
(e)
Remove the 8 bolts, 2 nuts and water inlet housing.
13.
REMOVE WATER PUMP
(See page CO–7)
14.
REMOVE NO. 2 OIL PAN
(See page LU–10)
15.
REMOVE OIL STRAINER
(See page LU–10)
16.
REMOVE NO. 1 OIL PAN
(See page LU–10)
17.
REMOVE OIL PUMP
(See page LU–10)
18.
REMOVE OIL FILTER
(See page LU–3)
19.
REMOVE OIL FILTER UNION
Using a 12 mm hexagon wrench, remove the oil filter union.
20.
REMOVE WATER SEAL PLATE
Remove the 2 nuts and seal plate.
21.
REMOVE ENGINE COOLANT DRAIN UNION(S)
22.
REMOVE REAR OIL SEAL RETAINER
(a)
Remove the 6 bolts.
(b)
Using a screwdriver, remove the oil seal retainer by prying
the portions between the oil seal retainer and main bear-
ing cap.
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