Where is the coolant temperature sensor located?

2004 BUICK RENDEZVOUS
125,000 MILES • V8 • 2WD • AUTOMATIC
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BIGRIG2323
  • MEMBER
  • 1 POST
Replacing the coolant temperature sensor but can't locate it. Is it on the right side or left?
Feb 7, 2022 at 10:36 PM
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SQM
  • ASE Certified Mechanic
  • 6,383 POSTS
  • ASE Certified Mechanic
Hello,

The coolant temperature sensor is located on the front left of the intake manifold.

https://www.2carpros.com/articles/how-a-coolant-temperature-sensor-works
https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

I have attached diagrams for your reference.

Please let me know if you have any questions.
Thank you.
Feb 8, 2022 at 12:11 PM
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