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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 >> Installation [09/2015 - ] >> Procedure

Installation [09/2015 - ]: Procedure

  1. INSTALL FUEL PRESSURE PULSATION DAMPER ASSEMBLY 
    1. Apply a light coat of engine oil to the threads and gasket seating surfaces of the 2 fuel pressure pulsation damper assemblies.
      GTY683368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Temporarily install each dampers together with 2 new gaskets and the pipe to the fuel pump.
    3. Install the 2 clamp bolts.
      GTY685752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

    4. Using SST, tighten the 2 dampers.
      GTY623429Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09612-24014 
        • 09617-24011

      without SST 

      Torque: 36 N*m (367 kgf*cm, 27 ft.*lbf) 

      with SST 

      Torque: 31 N*m (313 kgf*cm, 23 ft.*lbf) 

      HINT: 

      • Use a torque wrench with a fulcrum length of 300 mm (11.8 in.). When using a torque wrench with a fulcrum length that is not 300 mm (11.8 in.), calculate the torque specification for the torque wrench and SST based on the "without SST" torque specification (Refer to PRECAUTION [09/2015 - ] ).
      • Make sure SST and the torque wrench are connected in a straight line.
    5. Connect the 3 fuel hoses.
      GTY679819Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Connect the connector to the delivery pipe.
      GTY617222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Install the bracket with the bolt.
      GTY630042Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

  2. INSTALL NO. 3 ENGINE COVER SUB-ASSEMBLY 
    GTY676358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the No. 3 engine cover with the 2 clips.
    2. Install the bracket with the 2 bolts.
      GTY630035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

  3. CONNECT NO. 1 FUEL PIPE SUB-ASSEMBLY 
    GTY682445Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Push in the tube connector to the pipe until the tube connector makes a "click" sound.
    2. Push down on the retainer to lock it in place.
      NOTE:
      • Check that there is no damage or foreign objects on the connected part of the fuel pipe.
      • After connecting, check that the fuel tube connector and the pipe are securely connected by pulling on them.
  4. INSTALL INTAKE MANIFOLD 

    (Refer to INSTALLATION [09/2015 - ] )

  5. INSPECT FOR FUEL LEAK 

    Refer to PROCEDURE - Step 1