Air Fuel Ratio Sensor: Installation

INSTALL AIR FUEL RATIO SENSOR
1. Using SST, install the air fuel ratio sensor.
  SST 09224-00010
  
  Torque: without SST
  
  44 N*m (449 kgf*cm, 32 ft.*lbf)
  
  Torque: with SST
  
  40 N*m (408 kgf*cm, 30 ft.*lbf)
  NOTE:
  - This torque value can be obtained by using a torque wrench with a fulcrum length of 300 mm (11.81 in.) and a SST with 30 mm (1.18 in.) (See REPAIR INSTRUCTION ).
  - Use a torque wrench with a fulcrum length of 300 mm (11.81 in.).
    
    Fig 1: Identifying Air Fuel Ratio Sensor
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the air fuel ratio sensor connector.
  
  Fig 2: Locating Air Fuel Ratio Sensor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
1. Install the No. 1 exhaust manifold heat insulator with the 4 bolts.
  Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf)
INSPECT FOR EXHAUST GAS LEAK