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Home >> Lexus >> 2017 >> LS 460 L, RWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - Service Information >> Fuel Pressure Pulsation Damper >> Removal [09/2015 - ] >> Procedure

Removal [09/2015 - ]: Procedure

  1. DISCHARGE FUEL SYSTEM PRESSURE 

    (Refer to PRECAUTION [09/2015 - ] )

  2. REMOVE INTAKE MANIFOLD 

    (Refer to REMOVAL [09/2015 - ] )

  3. DISCONNECT NO. 1 FUEL PIPE SUB-ASSEMBLY 
    1. Lift up the retainer to release its lock.
      GTY655500Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Pinch the tube connector and then pull out the fuel hose.
      NOTE:
      • Check for any dirt and foreign matter contamination in the pipe and around the connector. Clean if necessary. Foreign matter may damage the O-rings or cause leaks in the seal between the pipe and connector.
      • Do not use any tools to separate the pipe and connector.
      • Do not forcefully bend or twist the nylon tube.
      • Check for any dirt and foreign matter on the pipe seal surface. Clean if necessary.
      • Put the pipe and connector ends in plastic bags to prevent damage and dirt contamination.
      • If the pipe and connector are stuck together, pinch the tube between your fingers and turn it carefully to free it. Then disconnect the hose.
  4. REMOVE NO. 3 ENGINE COVER SUB-ASSEMBLY 
    1. Remove the 2 bolts and bracket.
      GTY630035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 clips and No. 3 engine cover.
      GTY676358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE FUEL PRESSURE PULSATION DAMPER ASSEMBLY 
    1. Remove the bolt and bracket.
      GTY630042Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector from the delivery pipe.
      GTY617222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the 3 fuel hoses.
      GTY645702Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using SST, loosen the 2 fuel pressure pulsation dampers.
      GTY127619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09612-24014 
        • 09617-24011
    5. Remove the 2 clamp bolts shown in the illustration.
      GTY685752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the 2 pulsation dampers, 4 gaskets and No. 1 fuel pipe.