Jeep Wrangler/YJ 1987-1995 Repair Guide

Coolant Temperature Sensor (CTS)

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REMOVAL & INSTALLATION



See Figure 1



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Fig. Fig. 1: CTS replacement

  1. Unplug the CTS electrical connector.
  2.  
  3. Drain the cooling system until the coolant level is below the cylinder head.
  4.  
  5. Remove the CTS from the thermostat housing.
  6.  
  7. Installation is the reverse of removal. Tighten the CTS to 21 ft. lbs. (28 Nm).
  8.  

 
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