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
SEE MORE:
Initialization
INITIALIZATION INITIALIZE LUGGAGE CLOSER MOTOR ASSEMBLY NOTICE: Initialization of the luggage closer motor assembly (luggage compartment door initial position learning) is necessary if the following work procedures are performed while the luggage compartment door is open.
The cable to the negativ
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the LEXUS ENFORM system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CHECK THE CUSTOMER'S CONTRACT STATUS (a) Check if the satellite radio and LEXUS ENFORM
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