2003 LEXUS LS430 heating

Fig. 57: Heating Ring Gear
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. After the moisture on the ring gear has completely evaporated, quickly install the ring gear to the
differential case.
HINT:
Align the matchmarks on the ring gear and the differential case.
e. Tighten the new 2 bolts temporarily so that the bolt holes in the ring gear and differential case are
not misaligned.

Standard oil clearance:
0.030 to 0.065 mm (0.0012 to 0.0026 in.)
Maximum oil clearance: 0.10 mm (0.0039 in.)
If the clearance is greater than the maximum, replace the valve and guide bush (see steps 12 and 14).
Fig. 339: Heating Cylinder Head

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
11.REMOVE INTAKE VALVE GUIDE BUSH
a. Gradually heat the cylinder head to approximately 80 to 100°C (176 to 212° F).

Fig. 341: Heating Cylinder Head
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
12.REMOVE EXHAUST VALVE GUIDE BUSH
a. Gradually heat the cylinder head to approximately 80 to 100° C (176 to 212° F).

Fig. 421: Heating Piston
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
f. Using a plastic-faced hammer and brass bar, lightly tap out the piston and pin. Then remove the
connecting rod.
HINT:
The piston and pin are a matched set.
Be sure to organize the removed pistons, pins, rings, connecting rods and bearings in such a way
that the parts can be reinstalled exactl
y as before.

Fig. 465: Heating Piston
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. Coat the piston pin with engine oil.
d. The piston's front mark and the connecting rod's outside mark should face the same direction, as
shown in the illustration.
e. Align the piston pin holes of the piston and connecting rod, and push in the piston pin with your
thumb.

When replacing the molding, heat the body and molding using a heat light.
Heating temperature:
HEATING TEMPERATURE CHART
1.REMOVE FRONT FENDER MUDGUARD SUB-ASSY LH (W/ MUDGUARD)
a. Using a hexagon wrench, remove the 3 screws and mudguard.
Fig. 37: Removing Front Fender Mudguard Sub
-Assy LH (W/Mudguard)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2.REMOVE FRONT FENDER OUTSIDE MOLDING LH
ItemTemperature
Body40 to 60°C (104 to 140°F)
Molding20 to 30°C (68 to 86°F)

A bolt without a torque specification is shown in the standard bolt chart (see SPECIFIED TORQUE
FOR STANDARD BOLTS ).
When replacing the molding, heat the body and molding using a heat light.
Heating temperature:
HEATING TEMPERATURE CHART
1.REMOVE FRONT FENDER MUDGUARD SUB-ASSY LH (W/ MUDGUARD)
a. Remove the 3 screws and mudguard.
2.REMOVE FRONT FENDER OUTSIDE MOLDING LH (See REPLACEMENT
)
3.REMOVE ROCKER PANEL MOLDING FRONT LH
a. Remove the 5 screws and the 4 clips labeled A.
b.Using a molding remover, disengage the clip labeled B and remove the molding.
ItemTemperature
Body40 to 60°C (104 to 140°F)
molding20 to 30°C (68 to 86°F)

HEATING TEMPERATURE CHART
1.REMOVE ROOF DRIP SIDE FINISH Molding LH
a. Put protective tape around the edges of the molding.
b. Using a molding remover, disengage the molding's front and rear end clips from the vehicle.
Remove the molding.
Fig. 85: Removing Roof Drip Side Finish Molding LH

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2.INSTALL ROOF DRIP SIDE FINISH MOLDING CLIP
ItemTemperature
Body40 to 60°C (104 to 140°F)
molding20 to 30°C (68 to 86°F)