Thermostat & Temperature Sensor on a 2011 GMC Yukon Denali

Replacement of the Thermostat & Coolant Temperature Sensor on a 2011 GMC Yukon Denali 6.2L
Thermostat:
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Temperature Sensor:
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I am a self taught mechanic of over 30 years in the field. Helping people save money and stay safe on the road is what I am here for. If I can pass that along in my videos, that would make me feel even more accomplished. I am rather old school and do not really do things by the book, for this reason, I do not claim to make "Instructional" videos. My videos are for entertainment purposes only. Please use safety and knowledge when doing your own repairs. ~ Ben - MegaMiles
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[@markb3129]

I agree the spring clamps are better than worm clamps. Allows for the expansion and contractions from heat and cooling on the rubber hoses. ✌🏻

[@JuanFernandez-hb5ij]

Thanks so much, you just did my life easier, 👌

[@MegaMilesBen]

Hope it helps! Thanks for watching!

[@edd189]

Thanks for this video. I'm replacing my water pump and AC Delco says the thermostat (131-160) is a 190-degree thermostat, but the gauge reads 210. Interesting that they're off by that much!

[@MegaMilesBen]

Thats about right. The thermostat starts opening at 190° and isnt fully oppened till about 210°

[@cheryljones1125]

Will low oil as the manual say give a false reading on a thermostat?
My needle won’t move and the cooling fan stays blowing

[@MegaMilesBen]

Sounds more like a coolant temperature sensor issue. Possibly a fan or fan relay issue as well but could just be the coolant temperature sensor.

[@cheryljones1125]

Thank you!

[@cheryljones1125]

Hi. How do you tell that the sensor taken out was bad

[@MegaMilesBen]

Theres ways to test them. You can google that and itll show you a few answers.

[@shaunmoeller3288]

What were the systems you were having.... i just did a radiator and now mine struggles to even hit 210 even after flashing the system... the gauge will drop some while driving but it mainly stays at about 185-190 on the gauge

[@MegaMilesBen]

This is a clients car. I believe he was figting overheating issues.
Do you have an oem thermostat? Some thermostats are designed to open at a lower temp.

[@shaunmoeller3288]

@MegaMilesBen not sure... it was running at 210 until I replaced the radiator... the temp gauge will drop to around 190-185 while driving

[@MegaMilesBen]

@shaunmoeller3288 that could just be the new radiator moving more air through the fins. How much debris was in the old ones fins?

[@shaunmoeller3288]

@MegaMilesBen not sure didn't really look

[@MegaMilesBen]

@shaunmoeller3288 as long as youre not running cold or hot, I wouldnt worry much about it. Its probably got more air flow going through the fins now.