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Where is the coolant temp sensor

Tiny
HOWARDLT
  • MEMBER
  • 2004 GMC ENVOY
Engine Cooling problem 6 cyl Two Wheel Drive Automatic 116000 miles

Where is the coolant temp sensor?
Sunday, October 4th, 2009 AT 3:42 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
Hello,

the coolant temperature sensor is located in the engine block by the radiator hose outlet. Here is a guide and a couple of diagrams that shows on both engine for that car. (BELOW)

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

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken
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Friday, May 26th, 2017 AT 8:02 PM
Tiny
HOWARDLT
  • MEMBER
  • 6 POSTS
  • 2004 GMC ENVOY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 116,000 MILES
2004 GMC Envoy 6 cyl Two Wheel Drive Automatic 116000 miles

where is the engine coolant sensor located?
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Friday, May 26th, 2017 AT 8:02 PM (Merged)
Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello -

Should be located on the left front of the engine block, near the alternator - look for a black and yellow wire to the plug.
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Friday, May 26th, 2017 AT 8:02 PM (Merged)

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