Lexus RX300 (MCU15). Manual — part 433
EM0B4–05
P18754
P18816
A05068
SST
A05048
SST
EM–16
–
ENGINE MECHANICAL
TIMING BELT
LEXUS RX300 (RM785E)
REMOVAL
1.
REMOVE OUTER COWL TOP PANEL
(See page EM–75)
2.
REMOVE FRONT UPPER SUSPENSION BRACE (See
page EM–75)
3.
REMOVE RH FRONT WHEEL
4.
REMOVE RH FENDER APRON SEAL
5.
REMOVE ALTERNATOR DRIVE BELT
(See page CH–6)
6.
REMOVE PS PUMP DRIVE BELT
Loosen the 2 bolts, and remove the drive belt.
7.
REMOVE CRUISE CONTROL ACTUATOR
8.
DISCONNECT GROUND STRAP CONNECTORS
9.
REMOVE ENGINE MOVING CONTROL ROD AND NO.
2 RH ENGINE MOUNTING BRACKET
(See page EM–75)
10.
REMOVE NO. 2 ALTERNATOR BRACKET
(a)
Loosen the alternator pivot bolt.
(b)
Remove the nut and bracket.
11.
REMOVE CRANKSHAFT PULLEY
(a)
Using SST, remove the pulley bolt.
SST
09213–54015 (91651–60855), 09330–00021
(b)
Using SST, remove the pulley.
SST
09950–50012 (09951–05010, 09952–05010,
09953–05010, 09953–05020, 09954–05020)
A05049
A05050
Clamp
Clamp
P18814
A05051
A05052
–
ENGINE MECHANICAL
TIMING BELT
EM–17
LEXUS RX300 (RM785E)
12.
REMOVE NO. 1 TIMING BELT COVER
Remove the 4 bolts and timing belt cover.
13.
REMOVE TIMING BELT GUIDE
14.
REMOVE NO. 2 TIMING BELT COVER
(a)
Disconnect the engine wire protector clamps from the No.
3 timing belt cover.
(b)
Remove the 5 bolts and timing belt cover.
15.
REMOVE RH ENGINE MOUNTING BRACKET
Remove the 2 bolts, nut and mounting bracket.
16.
SET NO. 1 CYLINDER TO TDC/COMPRESSION
(a)
Temporarily install the crankshaft pulley bolt to the crank-
shaft.
(b)
Turn the crankshaft, and align the timing marks of the
crankshaft timing pulley and oil pump body.
NOTICE:
Always turn the crankshaft clockwise.
(c)
Check that timing marks of the camshaft timing pulleys
and No. 3 timing belt cover are aligned.
If not, turn the crankshaft 1 revolution (360
°).
(d)
Remove the crankshaft pulley bolt.
A01804
A05053
A05054
SST
RH:
A05056
SST
LH:
A05055
EM–18
–
ENGINE MECHANICAL
TIMING BELT
LEXUS RX300 (RM785E)
17.
IF REUSING TIMING BELT, CHECK INSTALLATION
MARKS ON TIMING BELT
Check that there are 3 installation marks and front mark on the
timing belt.
If the installation and front marks have disappeared, before re-
moving the timing belt, place 3 new installation marks on the
timing belt to match the timing marks of the timing pulleys, and
place a new front mark on the timing belt.
18.
REMOVE TIMING BELT TENSIONER
Alternately loosen the 2 bolts, and remove them, the tensioner
and dust boot.
19.
REMOVE TIMING BELT
20.
REMOVE CAMSHAFT TIMING PULLEYS
(a)
Using SST, remove the bolt and RH timing pulley.
SST
09249–63010, 09960–10010 (09962–01000,
09963–01000)
(b)
Using SST, remove the LH timing pulley.
SST
09960–10010 (09962–01000, 09963–01000)
HINT:
Arrange the camshaft timing pulleys (RH and LH sides).
21.
REMOVE NO. 2 IDLER PULLEY
Remove the bolt and idler pulley.
A01802
10 mm
Hexagon
Wrench
Plate Washer
A05057
SST
–
ENGINE MECHANICAL
TIMING BELT
EM–19
LEXUS RX300 (RM785E)
22.
REMOVE NO. 1 IDLER PULLEY
Using a 10 mm hexagon wrench, remove the bolt, idler pulley
and plate washer.
23.
REMOVE CRANKSHAFT TIMING PULLEY
(a)
Remove the bolt and timing belt plate.
(b)
Using SST, remove the crankshaft timing pulley.
SST
09950–50012 (09951–05010, 09952–05010,
09953–05010, 09953–05020, 09954–05010)
NOTICE:
Do not scratch the sensor part of the crankshaft timing
pulley.
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