Exhaust Manifold: Installation

HINT:

When viewed from the rear of the engine assembly, Bank 1 is on the left side and Bank 2 is on the right side.

1. INSTALL AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1) 
   1. Using SST, install the air fuel ratio sensor to the exhaust manifold LH.

      SST 09224-00010 

      Torque: 

      without SST 

      44 N*m (449 kgf*cm, 32 ft.*lbf) 

      with SST 

      40 N*m (408 kgf*cm, 30 ft.*lbf) 

      Fig 1: Removing/Installing Air Fuel Ratio Sensor (For Bank 1 Sensor 1)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT.

      • Use a torque wrench with a fulcrum length of 300 mm (11 8 in).
      • Make sure SST and the torque wrench are connected in a straight line.
2. INSTALL AIR FUEL RATIO SENSOR (for Bank 2 Sensor 1) 
   1. Using SST, install the air fuel ratio sensor to the exhaust manifold RH

      SST 09224-00010 

      Torque: 

      without SST 

      44 N*m (449 kgf*cm, 32 ft.*lbf) 

      with SST 

      40 N*m (408 kgf*cm, 30 ft.*lbf) 

      HINT

      • Use a torque wrench with a fulcrum length of 300 mm (11 8 in.)
      • Make sure SST and the torque wrench are connected in a straight line.
      Fig 2: Removing/Installing Air Fuel Ratio Sensor (For Bank 2 Sensor 1)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH 
   1. Place a new gasket on the cylinder head with the "B" mark facing the manifold side.
      NOTE: Be careful of the installation direction.
      Fig 3: Identifying "B" Mark On Exhaust Manifold Sub-Assembly

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Temporarily install the exhaust manifold, and then uniformly tighten 8 new nuts in several steps, in the sequence shown in the illustration.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Fig 4: Identifying Exhaust Manifold Nuts Tightening Sequence

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. Connect the air fuel ratio sensor connector.

      HINT.

      Hook the wire harness to the bracket.

      Fig 5: Locating Air Fuel Ratio Sensor Connector

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY RH 
   1. Place a new gasket on the cylinder head with the "B" mark facing the manifold side
      NOTE: Be careful of the installation direction.
      Fig 6: Identifying "B" Mark On Exhaust Manifold Sub-Assembly

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Temporarily install the exhaust manifold, and then uniformly tighten 8 new nuts in several steps, in the sequence shown in the illustration.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Fig 7: Identifying Exhaust Manifold Nuts Tightening Sequence

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   3. Connect the air fuel ratio sensor connector
5. INSTALL FRONT NO. 1 ENGINE MOUNTING BRACKET LH  (See INSTALLATION )
6. INSTALL FRONT NO. 1 ENGINE MOUNTING BRACKET RH  (See INSTALLATION )
7. INSTALL FRONT ENGINE MOUNTING INSULATOR  (See INSTALLATION )
   Fig 8: Locating Air Fuel Ratio Sensor Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. INSTALL NO. 2 EXHAUST MANIFOLD HEAT INSULATOR 
   1. Install the heat insulator with the 3 bolts

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

      Fig 9: Locating No. 2 Exhaust Manifold Heat Insulator Bolts

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. INSTALL NO. 1 EXHAUST MANIFOLD HEAT INSULATOR 
   1. Install the heat insulator with the 3 bolts.

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

      Fig 10: Locating Heat Insulator Bolts

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10. INSTALL ENGINE OIL LEVEL DIPSTICK GUIDE  (See INSTALLATION )
11. INSTALL FRONT FRAME ASSEMBLY  (See INSTALLATION )
12. INSTALL ENGINE AND TRANSMISSION 
    1. Install the engine and transmission (see INSTALLATION ).
13. INSTALL SERVICE PLUG GRIP  (See INSPECTION )
14. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (see INITIALIZATION ).
15. INSTALL BATTERY SERVICE HOLE COVER LH  (See INSTALLATION )
16. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY  (See INSTALLATION )