Lexus ES manuals

Lexus ES: 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 EGR valve assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

  • Replacement of EGR valve assembly
  • Gas leaks from exhaust system is repaired

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

NOTICE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

Click here

PROCEDURE

1. DRAIN ENGINE COOLANT (for Engine)

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2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

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3. DISCONNECT ENGINE WIRE

(a) Disengage the 3 hose clamps and disconnect the No. 1 fuel vapor feed hose and No. 2 fuel vapor feed hose.

*1

No. 1 Fuel Vapor Feed Hose

*2

No. 2 Fuel Vapor Feed Hose

(b) Disconnect the EGR valve assembly connector.

(c) Remove the bolt.

(d) Disengage the 2 wire harness clamps and disconnect the engine wire.

4. DISCONNECT EGR COOLER ASSEMBLY

(a) Remove the 2 bolts and disconnect the EGR cooler assembly from the EGR valve assembly.

(b) Remove the EGR valve gasket from the EGR valve assembly.

5. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY

(a) Using an 8 mm socket wrench, remove the 4 bolts and No. 1 EGR pipe sub-assembly from the intake manifold and EGR valve assembly.

(b) Remove the EGR valve adapter gasket from the No. 1 EGR pipe sub-assembly.

(c) Remove the EGR inlet gasket from the intake manifold.

6. REMOVE EGR VALVE ASSEMBLY

(a) Slide the 2 clips and disconnect the No. 4 water by-pass hose and No. 8 water by-pass hose from the EGR valve assembly.

*1

No. 4 Water By-pass Hose

*2

No. 8 Water By-pass Hose

(b) for EGR Valve Bracket Connection Type:

(1) Using an 8 mm socket wrench, remove the bolt and disconnect the fuel pipe sub-assembly from the EGR valve bracket.

(c) Using the 8 mm socket wrench, remove the bolt.

(d) Remove the EGR valve assembly with the EGR valve bracket from the camshaft housing vertically.

*a

Pin

*b

Hole

(e) Using the 8 mm socket wrench, remove the bolt and EGR valve assembly from the EGR valve bracket.

READ NEXT:

 Inspection

INSPECTION PROCEDURE 1. INSPECT EGR VALVE ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condit

 Installation

INSTALLATION CAUTION / NOTICE / HINT NOTICE: This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here

 Emission Control System

SEE MORE:

 Replacement

REPLACEMENT CAUTION / NOTICE / HINT CAUTION: To avoid the danger of being burned, do not remove the reserve tank cap or drain cock plug while the coolant (for inverter) is still hot. Pressurized, hot coolant (for inverter) and steam may be released and cause serious burns. *1

 Installation

INSTALLATION PROCEDURE 1. INSTALL REMOTE OPERATION CONTROLLER ASSEMBLY (a) Install the remote operation controller assembly with the 4 screws as shown in the illustration. Install in this Direction 2. INSTALL REAR UPPER CONSOLE PANEL SUB-ASSEMBLY Click here 3. INSTALL SHIFT LEVER KNOB SU

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