FUEL RELIEF VALVE REMOVAL


  1. REMOVE FUEL PRESSURE PULSATION DAMPER ASSEMBLY

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  2. REMOVE NO. 2 FUEL PIPE SUB-ASSEMBLY

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  3. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

    A01H28P

  4. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY

    A01GYRP

  5. REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY LH

    A01GXKU

  6. REMOVE NO. 4 FUEL PIPE SUB-ASSEMBLY


    1. A01GW61E06
      Text in Illustration
      *1 Union Nut Wrench

      Using a 19 mm union nut wrench, remove the No. 4 fuel pipe sub-assembly.

  7. REMOVE FUEL DELIVERY PIPE


    1. A01GWRB

      Disconnect the fuel relief valve connector and No. 3 fuel hose.

    2. A01GZUM

      Disconnect the 4 fuel injector connectors.

    3. A01GZ5W

      Remove the 5 bolts and fuel delivery pipe from the cylinder head.

      Note


      • Be extremely careful not to touch or strike the tips of the fuel injector assemblies.

      • Pull and remove the fuel delivery pipe in a straight line without tilting it.

    4. Remove the 4 injector vibration insulators from the cylinder head.

  8. REMOVE FUEL RELIEF VALVE ASSEMBLY


    1. Fix the delivery pipe between aluminum plates in a vise.

      Note

      Do not overtighten the vise.

    2. A01H1X3

      Using a 5 mm hexagon socket wrench, remove the 2 bolts and fuel relief valve from the delivery pipe.

      Note

      Pull and remove the fuel relief valve a straight line to avoid damage to the seal surface of the delivery pipe's O-ring.

    3. A01GWSGE01

      Remove the E-ring, O-ring and backup rings from the fuel relief valve.