2003 LEXUS LS430 width

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REPLACEMENT
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030057004b004800030052004f004700030029002c0033002a[ material from the gasket surfaces.
Thoroughly clean all components to remove any loose material.
Clean both sealing surfaces with a non-residue solvent.
Apply FIPG in a continuous line width approximately 1 mm (0.04 in.) along the sealing surface.
Parts must be assembled within 10 minutes of application. Otherwise, the FIPG material must be
removed and reapplied.
1.DISCONNECT BATTERY NEGATIVE TERMINAL
2.DRAIN AUTOMATIC TRANSMISSION FLUID
a. Remove the drain plug, gasket and drain the ATF.
b. Install a new gasket and the drain plug.
Torque: 20 N.m (205 kgf.cm, 15 ft.lbf)
3.REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSY
a. Remove the 20 bolts, oil pan and
gasket.

Clean both sealing surfaces with a non-residue solvent.
Apply FIPG in a continuous line width approximately 1 mm (0.04 in.) along the sealing surface.
Parts must be assembled within 10 minutes of application. Otherwise, the FIPG material must be
removed and reapplied.
1.DISCONNECT BATTERY NEGATIVE TERMINAL
2.DRAIN AUTOMATIC TRANSMISSION FLUID
a. Remove the drain plug, gasket and drain the ATF.
b. Install a new gasket and the drain plug.
Torque: 20 N.m (205 kgf.cm, 15 ft.lbf)
3.REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSY
a. Remove the 20 bolts, oil pan and gasket.
Fig. 73: Removing 20 Bolts, Oil Pan And Gasket

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b. Remove the 3 magnets from the oil pan.

c. Check the deflection width of the speedometer indicator.
Reference: Below 0.5 km/h (0.3 mph)
2.INSPECT OUTPUT OF VEHICLE SPEED
a. Check the output signal waveform.
1. Remove the combination meter assy.
2. Connect the oscilloscope to terminal C12-19 and body ground.
3. Start the engine.
Fig. 87: Identifying Terminal C12
-19
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4. Check the signal waveform according to the condition (s) in the table below.
SIGNAL WAVEFORM CONDITIONS
ItemCondition
Tool setting5 V/DIV, 20 ms/DIV

Fig. 352: Checking Valve Seating Position
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2. If blue appears 360° around the valve seat, the guide and face are concentric. If not, resurface
the seat.
3. Check that the seat contact is in the middle of the valve face and has the width below.
Width: 1.0 to 1.4 mm (0.039 to 0.055 in.)

Fig. 356: Inspecting Exhaust Valve Seat
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b. Check the valve seating position.
1. Apply a light coat of Prussian blue (or white lead) to the valve face.
2. Lightly press the valve against the seat. Do not rotate valve.
c. Check the valve face and seat for the following:
1. If blue appears 360° around the valve face, the valve seat is concentric. If not, replace the
valve.
2. If blue appears 360° around the valve seat, the guide and face are concentric. If not, resurface
the seat.
3. Check that the seat contact is in the middle of the valve face and has the width below.
Width: 1.0 to 1.4 mm (0.039 to 0.055 in.)