Knock Sensor: Removal

DISCHARGE FUEL SYSTEM PRESSURE
(See PRECAUTION )
DRAIN ENGINE COOLANT (See REPLACEMENT )
REMOVE FRONT WIPER ARM HEAD CAP (See REMOVAL )
REMOVE FRONT WIPER ARM LH (See REMOVAL )
REMOVE FRONT WIPER ARM RH (See REMOVAL )
REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY (See REMOVAL )
REMOVE WINDSHIELD WIPER MOTOR ASSEMBLY (See REMOVAL )
REMOVE NO. 1 COWL TOP TO COWL BRACE INNER (See REMOVAL )
REMOVE COWL TOP PANEL SUB-ASSEMBLY OUTER FRONT (See REMOVAL )
REMOVE V-BANK COVER SUB-ASSEMBLY (See REMOVAL )
REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See REMOVAL )
REMOVE EMISSION CONTROL VALVE SET (See REMOVAL )
REMOVE INTAKE AIR SURGE TANK (See REMOVAL )
REMOVE INTAKE MANIFOLD
1. Disconnect the No. 1 fuel pipe.
  1. Remove the EFI fuel pipe clamp.
    
    Fig 1: Removing EFI Fuel Pipe Clamp
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Pinch the tube connector and then pull out the No. 1 fuel pipe.
    NOTE:
    Check if there is any dirt or mud around the connector before this operation and remove the dirt as necessary.
    
    Be careful of mud because the quick connector has an O-ring which seals the pipe and connector that can be contaminated.
    
    Do not use any tool in this operation.
    
    Do not bend or twist the nylon tube. Protect the connector by covering it with a vinyl or plastic bag.
    
    When the pipe and connector are stuck, push and pull the connector to release and pull the connector out carefully.
2. Lock the hose clamp as shown in Fig 2 .
  
  Fig 2: Locking Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the heater water inlet hose B.
4. Remove the nut and the ground cable.
5. Disconnect the 6 fuel injector connectors.
  
  Fig 3: Disconnecting Fuel Injector Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. In order to remove the intake manifold, using several steps, remove the 9 bolts and the 2 nuts in the sequence shown in Fig 4 .
  
  Fig 4: Removing Intake Manifold In Sequence
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE ENGINE MOUNTING STAY RH
1. Remove the 2 bolts and the engine mounting stay.
REMOVE WATER OUTLET
1. Disconnect the radiator hose inlet.
2. Disconnect the radiator reserve tank hose.
  
  Fig 5: Disconnecting Radiator Hose Inlet
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disconnect the engine coolant temperature sensor connector.
4. Remove the clamp.
5. Remove the 2 bolts, the 2 nuts and the 2 washers.
6. Lock the hose clamp as shown in Fig 6 and remove the water outlet together with the No. 1 water by-pass hose.
  
  Fig 6: Locking Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Remove the 2 gaskets from the 2 cylinder heads.
REMOVE KNOCK SENSOR
1. Disconnect the 2 knock sensor connectors.
2. Remove the 2 nuts and the 2 knock sensors.
  
  Fig 7: Removing Knock Sensor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002