Terrible odor in 1994 Eagle Vision. Wandering if the fresh air vent has a drain in it because the odor is coming from the heating system when blower is turned on. Worse in the summer,could it be plugged & emitting this rotten smell?
I would guess so because there should not be an odor coming from your vents and if it is worse when the heat is on there's a chance something literally crawled up there and died! I always wanted to say that not referring to peoples butts. lol But all kidding aside. You would be surprised at the little critters that can find there way into your venting system. Or just organic material that has gotten in there somehow and decayed. Best of luck tracking down those oderiferous emanations.
SOURCE: No air coming through vents and blower is OK
your blower motor might be damaged.replace the blower motor of the air con.
SOURCE: changed the 2 cabin air filters but bad odor still comes out vent
If you run your Air cond on recirculate always try using an air sanitizer in your return vent. Or switch your A/C to outside air flow for for half an hour and raise the rear of your sunroof panel to vent the stale air do this till the smell dissipates and then close he sunroof and reset the A/C to recirculate if desired.
SOURCE: Fresh Air Intake - Chevy Venture
Sounds like you need to do a A/C deodorizing kit. May be able to find one at your local parts store. Or, run your A/C without your recirc, and hope the mildew gets off the EVAP core. It is possible you have a dead mouse in your heater box if it smells really bad.
SOURCE: I HAVE A BAD SMELL COMING FROM AIR CONDITIONING
Some models do have a cabin air filter......check your owners manual for that.
Do you have mice in your area?
You may have one in the heater/AC system.
But first....go to an auto parts store and look for the product to clean and deodorize the A/C vent system.
Follow the instructions and if that does it.........Great!
Otherwise you may have to have some of the venting taken apart and checked for something that has entered........uninvited.
Have them pull the fan motor first.....thats a common problem area.
SOURCE: My Audi has a bad smell when I turn on the air
could be an a/c leak, could be mold in the vents.....there are vent cleaning kits you can get at most auto parts stores....they consist of a spray that kills mold, however you do not want to use them if you dont know how to take the ductwork out of the dash as it may leak and destroy electrical components in the dash.
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