Fuel Relief Valve: Removal

PRECAUTION (See REMOVAL )
DISCHARGE FUEL SYSTEM PRESSURE
1. Discharge fuel system pressure (see PRECAUTION ).
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
REMOVE INTAKE MANIFOLD
1. Remove the intake manifold (see REMOVAL ).
REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
1. Remove the engine cover from the engine.
  
  Fig 1: Identifying No. 1 Engine Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FUEL RELIEF VALVE ASSEMBLY
1. Remove the No. 1 fuel pipe sub-assembly.
2. Disconnect the No. 3 fuel hose from the relief valve.
  
  Fig 2: Identifying No. 3 Fuel Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using a 14 mm deep socket wrench, remove the relief valve and gasket from the No. 2 delivery pipe.
  
  Fig 3: Locating Fuel Relief Valve
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002