AutoZone 1991 Buick Lesabre 3.8L FI OHV 6cyl | Repair Guides | Engine Cooling | Coolant Temperature Sensor | Removal & Installation | AutoZone.com

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    1991 Buick Lesabre 3.8L FI OHV 6cyl

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    Toyota RAV4 2000-05

    Removal & Installation

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    1. Before servicing the vehicle, refer to the Precautions Section.
    2.  
    3. Disconnect the negative battery cable.
    4.  
    5. Drain the engine coolant.
    6.  
    7. Unplug the coolant temperature switch connector, then remove the switch.

      Click image to see an enlarged view

      Fig. The coolant temperature switch is located on the bottom of the radiator

    8.  

    To install:

    1. Install the switch with a new O-ring. Tighten until just snug.
    2.  
    3. Reattach the connector.
    4.  
    5. Fill the radiator with engine coolant and check for leaks.
    6.  

     
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