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i have a B0164 code on my truck, my truck has auto temp control for the heat, the problem is i get heat at the 90 degree setting and when i turn it down to 89 or lower it starts blowing cold air. the dealer i took it to wants to change the two thermostats and have me put on the grill cover, i don't think it is the problem my truck don't overheat and it warms up just like any other truck i have had,what sensor is bad and how hard is it to change? i might try to do it myself thanks
 

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The inside temp sensor is above your head when sitting in the drivers seat, you have to lower the headliner to change it. Like I mentioned on the phone when you called, your dealer is pissin in the wind! You can do it yourself, but they can do it for free
 

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Thanks Eric I don't think i want to go back to them, they screwed me once, i think i might could change it, do you know the part # and do you have one? Thanks for your help, Gary
 
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