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Old 07-16-2018, 09:40 AM   #8
CorneliusRox
 
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Name: CorneliusRox
Title: Seasoned Rookie
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Join Date: Dec 2012
Location: Detroit, MI
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Posts: 4,154
Quote:
Originally Posted by blackmega3500 View Post
It's more common than you think, what he described is exactly what I dealt with that the resistor and blower fixed.

The blend doors usually cause inconsistent delivery from the vents from I've seen. And they don't often just refresh after sitting.
I'm pretty sure the blend doors on your truck are still vacuum controlled though. The 4th gen's switched to stepper motors for control (about time) and I had one failing that would allow for terrible AC (like described), then when winter came, it would not let much heat at all out. That's when I finally dug in and found the issue. Wish I would have done it way sooner.

Either way though, I replaced my blower and resistor recently too, just because I was going through the whole system and they were cheap. My blower started making a whining noise and I didn't want it drawing too much current and hurting other components.

Blower ($42):
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

Resistor ($28):
2010 DODGE RAM 2500 PICKUP 6.7L L6 DIESEL Turbocharged Blower Motor Control Module / Resistor | RockAuto
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