Lexus ES manuals

Lexus ES: Precaution

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / A25a-fks (engine Mechanical) / Cylinder Head / Precaution

PRECAUTION

HINT:

  • Any digits beyond the 0.01 mm (1/1000 in.) place for standard, minimum and maximum values should be used as a reference only.
  • When both standard and maximum or minimum values are listed for an inspection, use the standard value as a reference only and base any judgments on the maximum and minimum values.

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 Components

COMPONENTS ILLUSTRATION *1 INTAKE VALVE *2 INTAKE VALVE GUIDE BUSH *3 COMPRESSION SPRING *4 EXHAUST VALVE *5 EXHAUST VALVE GUIDE BUSH *6 STUD BOLT *7 SPARK PLUG TUB

 Inspection

INSPECTION PROCEDURE 1. INSPECT CYLINDER HEAD SUB-ASSEMBLY (a) Using a precision straightedge and feeler gauge, measure the warpage of the contact surfaces where the cylinder head sub-assembly contact

 Replacement

REPLACEMENT PROCEDURE 1. REPLACE INTAKE VALVE GUIDE BUSH (a) Heat the cylinder head sub-assembly to between 80 and 100°C (176 and 212°F). (b) Place the cylinder head sub-assembly on wooden blocks. C

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 Headlight LH Circuit (B2439,B243A)

DESCRIPTION The headlight ECU sub-assembly LH and headlight ECU sub-assembly RH internally boost the power supply voltage to ensure a constant supplied current for the lo/hi beam LED of their respective headlight. By monitoring the LED power supply voltage, abnormal current and malfunctions can be d

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary (w/ SXM Function). If the DCM (telematics transceiver) has been replaced, perform the DCM Activation procedure.

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