Lexus ES: Repair
REPAIR
PROCEDURE
1. REPAIR EXHAUST VALVE SEAT
NOTICE:
- While repairing the exhaust valve seat, make sure to constantly check the valve seat width and valve seating position.
- Release the cutter gradually to make the exhaust valve seat smooth.
(a) Using 45° cutters, correct the exhaust valve seat so that the exhaust valve contacts the entire circumference of the exhaust valve seat. The contact should be in the center of the exhaust valve seat, and the exhaust valve seat width should be as specified around the entire circumference of the exhaust valve seat.
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| *a | Width | - | - |
Standard Width:
1.3 to 1.7 mm (0.0512 to 0.0669 in.)
(b) Hand lap the exhaust valve and exhaust valve seat with an abrasive compound.
(c) Check the exhaust valve seating position.
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Components
COMPONENTS ILLUSTRATION *A Type A - - *1 EXHAUST MANIFOLD (TWC: Front Catalyst) *2 NO. 1 EXHAUST MANIFOLD HEAT INSULATOR *3 MANIFOLD STAY *4 EXHAUST MANIFOLD TO HEAD GASK
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during cyl
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Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM HINT: The following items can be customized. NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Record the current settings before customizing.
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Yaw Rate Sensor (C1A46)
DESCRIPTION The blind spot monitor sensor receives yaw rate signals from the airbag sensor assembly (yaw rate and acceleration sensor) via CAN communication. Blind Spot Monitor Master DTC No. Detection Item DTC Detection Condition Trouble Area C1A46 Yaw Rate Sensor A fail flag is tr
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