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chipwvu 04-19-2011 08:49 AM

2005 Grand Cherokee A/C odor
Hello, I have a 2005 Grand Cherokee Laredo. 4.7L V8. I am experiencing a musty odor coming from my A/C vents when the air is on. We live in a pretty humid climate and I think the drain is clogged, but I cannot find the location of the hose to check it. Can anyone point me in the right direction. If you have any pictures,that would be great as well.

Delt1c 04-19-2011 10:46 AM

Have had the same problem for years on my 2005, only in summer and only when left sitting for 20mins or longer, smell quickly goes , but unpleasant for 1st 30 secs. Very interested on replies .

WK-916 04-19-2011 11:00 AM

Try Turning the Vent on at a moderate temp, before you directly turn the A/C or Vehicle off. Condensation build up in the vents and starts to smell...

Just try to air out the Vents before you turn the car off.... try it!

WK-916 04-19-2011 11:01 AM

Don't know if that made sense....:laugh:

You know what i mean though?

Pugsly285 04-19-2011 11:05 AM

There was a TSB out about this, I forget which one but its on They stated that mold builds from the moisture around the A/C coil and this causes the odor. Dealer should take care of it

chipwvu 04-19-2011 11:13 AM

I checked the TSB and called a local dealer regarding it. They want 250.00 to perform the TSB. Should this be covered free of charge, or is that only if it a recall?

BlueSteelJP 04-19-2011 11:14 AM

An AC expert once suggested spraying Lysol spary in the outside vent while the ac was running-several applications. I never tried it so I don't know if it will work.

chipwvu 04-19-2011 11:18 AM

The Lysol Spray worked for a few days, but it doesn't appear the A/C is draining underneath the car. Mymain concrn now is trying to make sure the drain isnot clogged.

WK-916 04-19-2011 11:31 AM

Youy might have to access the Evaporator Box to get to the Drain.... that why the $250 quote.... probably all labor.... and they are a b*tch to get to.... most the time...

chipwvu 04-22-2011 06:57 AM

I still cannot locate any definite information on this. Please Help.

Ryan101505 04-22-2011 09:19 AM

Dealer will not pay for tsb only recalls also u probaly do have mold it will dry out and go dormant but to get rid of it all the way u will need to take it out manually try getting a borescope and checking through your vents

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