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There is a very strong dust odor

Tiny
APPLEGATEDANNY
  • MEMBER
  • 2005 DODGE RAM
  • V8
  • 2WD
  • AUTOMATIC
  • 53,880 MILES
Whenever I turn on my A/C there is a very strong dust odor for a couple of minutes. Is there a filter that can be cleaned to stop this? If not, is there any other way?
Friday, February 13th, 2009 AT 10:49 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,268 POSTS
Make sure the drain is open for the AC. It should be a black rubber hose coming out at the firewall. As far as a filter, none exist to the best of my knowledge.

Also, is the smell that of coolant? The heater core could have a pinhole which can cause a bad smell too.
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Friday, April 23rd, 2021 AT 11:04 AM
Tiny
APPLEGATEDANNY
  • MEMBER
  • 2 POSTS
Thanks for the reply however I am certain that the drain works fine and the heater core is good. I am a diesel mechanic so I do have some knowledge in the area. The smell is definately a dusty smell, not coolant or stagnated water. On a semi there is a replaceable filter near the evaporator. I was hoping for something similar. There are also businesses here that can freshen it for a pricey fee but they will not tell me how. Again, Thanks a bunch and any more help is appreciated.
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Friday, April 23rd, 2021 AT 11:04 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,268 POSTS
Hi:
I just double checked, and I find no listing for a cabin air filter. Based on that, I would say it doesn't exist. I wish I had better news.
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Friday, April 23rd, 2021 AT 11:04 AM

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