Toyota Celica, Corolla, ECHO & MR2 1999-05

Removal & Installation

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  1. Disconnect the air/fuel ratio sensor connector.
  2.  
  3. Remove the four bolts that retains the exhaust manifold heat insulator.

    Click image to see an enlarged view

    Fig. Removal of the exhaust manifold

  4.  
  5. Remove the five nuts and then the exhaust manifold
  6.  
  7. To prevent possible damage, remove the gasket from the cylinder head.

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    Fig. Removal of the Engine Coolant Temperature (ECT) Sensor

  8.  
  9. Using Special Tool 09817-33190, remove the Engine Coolant Temperature Sensor.
  10.  

To install:

  1. Using Special Tool 09817-33190, replace the Engine Coolant Temperature Sensor.
  2.  
  3. Replace the cylinder head gasket.
  4.  
  5. Replace the exhaust manifold and the five retaining nuts.
  6.  
  7. Replace the exhaust manifold heat insulator and the four bolts.
  8.  
  9. Connect the air/fuel ratio sensor connector.
  10.  

 
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