Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Engine & Hybrid System / 2gr-fks (fuel) / Fuel Pump (for High Pressure) / 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 fuel pump 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
*1: When performing learning using the Techstream.

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Battery terminal is disconnected/reconnected

Memorize steering angle neutral point

Lane Control System

Pre-collision system

Intelligent clearance sonar system*1

Lighting system (w/ Automatic Headlight Beam Level Control System)

Parking assist monitor system

Panoramic view monitor system

Initialize back door lock

Power door lock control system

Reset back door close position

Power Back Door System (w/ Outside Door Control Switch)

  • Replacement of fuel pump assembly
  • Replacement of fuel injector assembly (for Port Injection)
  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly

Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

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2. DISCHARGE FUEL SYSTEM PRESSURE

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3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

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4. REMOVE INTAKE MANIFOLD

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5. REMOVE NO. 2 ENGINE UNDER COVER

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6. REMOVE FUEL PUMP PROTECTOR

(a) Disengage the clamp to disconnect the fuel tube sub-assembly from the fuel pump protector.

(b) Remove the 2 bolts and fuel pump protector from the cylinder head sub-assembly.

7. DISCONNECT NO. 2 FUEL TUBE SUB-ASSEMBLY

(a) Disconnect the No. 2 fuel tube sub-assembly from the fuel pump assembly.

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8. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY

CAUTION:

To prevent serious injury due to fuel spray from the high-pressure fuel lines, always discharge fuel system pressure before removing any fuel system components.

(a) Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 1 fuel pipe sub-assembly.

(b) Loosen the 2 bolts of the fuel pump assembly.

(c) Remove the No. 1 fuel pipe sub-assembly from the fuel delivery pipe RH and fuel pump assembly.

9. REMOVE FUEL PUMP ASSEMBLY

(a) Disconnect the fuel pump assembly connector.

(b) Remove the 2 bolts, fuel pump assembly and fuel pump lifter guide from the cylinder head cover sub-assembly.

(c) Remove the O-ring from the fuel pump assembly.

(d) Remove the fuel pump lifter assembly from the fuel pump lifter housing.

(e) Remove the fuel pump spacer gasket from the cylinder head cover sub-assembly.
    On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. FUEL PUMP ASSEMBLY OPERATION (a) Check fuel pressure. (1) Connect the Techstream to the DLC3. (2) Start the engine. (3) Turn the Techstream on. (4) Enter the followi ...

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

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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