GM Cavalier/Sunbird/Skyhawk/Firenza 1982-1994

Coolant Temperature Sending Unit

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The coolant temperature sending unit is usually located in the thermostat housing. This unit activates the coolant temperature gauge in the instrument cluster.

REMOVAL & INSTALLATION



  1. Disconnect the negative battery cable.
  2.  
  3. Properly drain the cooling system to a level below the thermostat housing.
  4.  
  5. Detach the coolant temperature sending unit electrical connector.
  6.  
  7. Remove the sending unit from the thermostat housing.
  8.  

To install:
  1. Coat the sending unit with sealant, then install in the thermostat housing.
  2.  
  3. Attach the sending unit electrical connector.
  4.  
  5. Fill the cooling system to the proper level.
  6.  
  7. Connect the negative battery cable.
  8.  

 
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