2003 LEXUS LS430 replacement

Fig. 172: Installing Cover With Nuts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REPLACEMENT
HINT:
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The procedures listed below are for the LH side.
1.REMOVE LUGGAGE COMPARTMENT DOOR SUPPORT ASSY
a. Remove the 2 clips as shown in the illustration.
b. Remove the door support.
HINT:
Remove the luggage compartment door support while supporting the luggage compartment door with
your hands.

Fig. 173: Removing Luggage Compartment Door Support Supporting Luggage Compartment Door
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2.INSTALL LUGGAGE COMPARTMENT DOOR SUPPORT ASSY
a. Insert the 2 clips for the door support.
b. Install the support for the luggage compartment door hinge.
DISPOSAL
HINT:
Use the same procedures for the RH side and LH side.
1.DISPOSE OF LUGGAGE COMPARTMENT DOOR SUPPORT ASSY
a. Remove the door support (see REPLACEMENT
)
b. Horizontally fix the stay in a vise with the piston-rod pulled out.
c. Using a metal saw, gradually cut any area between A and B to release the gas.
AREA MEASUREMENT REFERENCE SPECIFICATION:
AreaMeasurement

Fig. 1: Identifying Components & Replacements Location of Engine Immobilizer System (W/Smart Key
System)
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INSPECTION
1.INSPECT ENGINE COOLANT (See REPLACEMENT
)
2.INSPECT ENGINE OIL (See ON
-VEHICLE INSPECTION )
3.INSPECT BATTERY (See REPLACEMENT
)
4.INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSY
5.INSPECT SPARK PLUG (See REPLACEMENT
)
6.INSPECT FAN AND GENERATOR V BELT
HINT:
Use of the automatic tensioner has made tension and flexibility measurements unnecessary.
a. Check that the indicator mark on the automatic tensioner is within range A as shown in the
illustration.
b. When the mark is out of the standard range, replace the V belt with a new one.

Fig. 7: CO/HC Symptom Reference Chart
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REPLACEMENT
1.REMOVE AIR CLEANER INLET NO.1
2.REMOVE FAN AND GENERATOR V BELT
a. Loosen the belt tension by turning the belt tensioner counterclockwise, and remove the V belt.
HINT:
The tension pulle
y has a left-hand thread.

Fig. 10: Locating Mark
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.INSTALL AIR CLEANER INLET NO.1
ADJUSTMENT
1.REMOVE V-BANK COVER
2.REMOVE CYLINDER HEAD COVER SUB-ASSY (See REPLACEMENT
)
3.REMOVE CYLINDER HEAD COVER SUB-ASSY LH (See REPLACEMENT
)
4.SET NO. 1 CYLINDER TO TDC/COMPRESSION
a. Turn the crankshaft damper, and align its groove with timing mark "0" of the timing belt No. 1
cover.

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
6.REMOVE CAMSHAFT (See REPLACEMENT
)
7.REMOVE NO.3 CAMSHAFT SUB-ASSY (See REPLACEMENT
)
8.ADJUST VALVE CLEARANCE
a. Using a powerful magnet, remove the valve lifter and adjusting shim.
Fig. 15: Identifying Powerful Magnet

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Determine the replacement adjusting shim size according to these formulas and charts:
1. Using a micrometer, measure the thickness of the removed shim.
2. Calculate the thickness of a new shim so that the valve clearance comes within the specified
value.

Fig. 18: Adjusting Shim Selection Chart (Exhaust)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
9.INSTALL NO.3 CAMSHAFT SUB-ASSY (See REPLACEMENT
)
10.INSTALL CAMSHAFT (See REPLACEMENT
)
11.INSTALL CYLINDER HEAD COVER SUB-ASSY LH (See REPLACEMENT
)
12.INSTALL CYLINDER HEAD COVER SUB-ASSY (See REPLACEMENT
)
13.INSTALL V-BANK COVER
COMPONENTS