2001 Dodge Ram hmmmm.

Tiny
ONEEYE1977
  • MEMBER
  • 2001 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
  • 93,362 MILES
I have checked my blower motor, it works fine at all speeds! I can be driving down the road and the volume of air will go from strong to very little even though I havent change a setting? Is there a electronic or vaccum controller door that might be sticking? If so where is it at, for I am not afraid to pull the dash, I have done so to change heater core! By the way this started before I changed the heater core so it wasnt something I did to it in the process of removal or assembly. I have checked the blower motor and it appears to change speeds.
Friday, October 24th, 2008 AT 12:53 PM

4 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Check control switch and its wiring and connector
suspect bad blower motor

need manual CHECK IT @
http://www.2carpros.com/kpages/auto_repair_manuals.htm
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Friday, October 24th, 2008 AT 11:16 PM
Tiny
ONEEYE1977
  • MEMBER
  • 1 POST
I have checked the blower motor and it appears to change speeds, you can even here it when the a/c or heat is working correctly. It doesnt seem to change speeds when the problem happens, it still sounds like it is running at full speed when it does happen, but sometimes it seems to not change modes when different ones are selected, is it possibly the control or is it possibly a door closing during operation? It seems that the control looses vacuum or something?
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Monday, October 27th, 2008 AT 10:17 AM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
If u suspect vacuum, check if flow redirect to defrost when the mode say other wise and if so you are correct check for a lose of vacuum or a loose hose
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Monday, October 27th, 2008 AT 4:42 PM
Tiny
LEE0001
  • MEMBER
  • 2 POSTS
I have been having the same problem with my dodge. I have replaced the one way vaccume valve and it is still acting up. This seems only to happen when you accelerate and resumes blowing when you let off the gas.
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Tuesday, October 28th, 2008 AT 11:08 PM

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