Knock Sensor, Intake Manifold: Removal: Removal

DISCHARGE FUEL SYSTEM PRESSURE . Refer to REMOVAL - Step 1
DRAIN COOLANT . Refer to ON-VEHICLE INSPECTION - Step 1
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
WARNING:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
REMOVE FRONT WIPER ARM HEAD CAP . Refer to REMOVAL - Step 2
REMOVE FRONT WIPER ARM LH . Refer to REMOVAL - Step 3
REMOVE FRONT WIPER ARM RH . Refer to REMOVAL - Step 4
REMOVE HOOD TO COWL TOP SEAL . Refer to REMOVAL - Step 5
REMOVE COWL TOP VENTILATOR LOUVER LH . Refer to REMOVAL - Step 6
REMOVE WIPER LINK . Refer to REMOVAL - Step 7
REMOVE COWL TOP PANEL OUTER
1. Remove the wire harness clamp.
  
  Fig 1: Identifying Bolts And Panel With Wire Harness Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 7 bolts and panel.
REMOVE COWL BODY MOUNTING BRACKET LOWER LH
1. Remove the bolt, clip and bracket.
  
  Fig 2: Identifying Bolt, Clip And Bracket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE ENGINE COVER See step 3
REMOVE AIR CLEANER CAP See step 4
REMOVE THROTTLE BODY See step 5
REMOVE FUEL DELIVERY PIPE . Refer to REMOVAL - Step 7
REMOVE FUEL TUBE
1. Remove the fuel tube clamp.
  
  Fig 3: Identifying Fuel Tube Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Pinch the retainer as illustrated, and then pull the fuel tube connector out of the pipe.
  NOTE:
  - Remove any dirt and foreign objects on the fuel tube connector before performing this work.
  - When disconnecting the connector, do not damage the connector and pipe, and do not allow foreign matter to contact the connector and pipe. Damage or foreign matter may damage the O-ring that seals the pipe and lead to leaks.
    
    Fig 4: Identifying Fuel Tube Connector
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  - Perform this work by hand. Do not use any tools.
  - Do not forcibly bend, twist or turn the nylon tube.
  - Protect the disconnected part by covering it with a plastic bag after disconnecting the fuel tube.
  - If the fuel tube connector and pipe are stuck, push and pull to release them.
REMOVE HEATER WATER INLET HOSE
1. Remove the hose clamp.
  
  Fig 5: Identifying Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the heater water inlet hose from the heater radiator unit and cylinder head.
  
  Fig 6: Identifying Heater Water Inlet Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE HEATER WATER OUTLET HOSE
1. Remove the heater water outlet hose from the heater radiator unit and water by-pass pipe.
  
  Fig 7: Identifying Heater Water Outlet Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE INTAKE MANIFOLD
1. Disconnect the union to check valve hose from the brake booster.
  
  Fig 8: Identifying Brake Booster Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the camshaft timing oil control valve connector.
  
  Fig 9: Identifying Intake Manifold With Bolts And Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the wire harness clamp.
4. Remove the union to check valve hose from the vacuum hose clamp.
5. Remove the 5 bolts, 2 nuts and intake manifold.
6. Remove the gasket from the intake manifold.
  
  Fig 10: Locating Intake Manifold Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE INTAKE MANIFOLD INSULATOR
1. Remove the intake manifold insulator from the cylinder block.
  
  Fig 11: Removing Intake Manifold Insulator
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE KNOCK SENSOR
1. Disconnect the sensor connector.
  
  Fig 12: Identifying Knock Sensor Connector And Nut
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the nut and sensor.