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Generation 4-3 Pajero NW model 2011 - 2014

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Old 18-10-17
jdove jdove is offline
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Join Date: Oct 2013
Location: sunshine coast
Posts: 21
Default A/C Smell

When my car has been sitting for more than a couple of hours the A/C has a real horrible chemical smell when you first turn it on which last's about 5 minutes. I have checked cabin filter etc and all is good and clean. Its definitely not the smell of a dead mouse or anything like that.its a chemical smell. The a/c is working ok, any idea's??
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Old 18-10-17
ticky's Avatar
ticky ticky is offline
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Join Date: Jan 2015
Location: Adelaide
Posts: 1,317

This same issue came up on the forum a couple of weeks ago. The best solution seemed to be to spray the air intake for the aircon with Glen 20.

The most likely cause is water trapped inside the unit, ie., blocked or partially blocked drain hose.

Another point to consider is the use of your Aircon. I use mine every day. I never turn it off. its the best way to look after your aircon.

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Old 19-10-17
Kumabear Kumabear is offline
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Join Date: Sep 2013
Location: Sydney, Macarther Region
Posts: 696

I find I tend to get that at the start of summer if I havnt used the AC in a while.

Seems to clear its self up after its been used a couple of hours at least for me.
2011 MY12 NW Pajero GL (White)

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Old 19-10-17
Garc Garc is offline
Join Date: May 2015
Location: Perth
Posts: 131

Even thought the cabin filter looks clean I would stilll replace it as you can't see mould in the pores.

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Old 17-11-17
Shedtinkerer Shedtinkerer is offline
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Join Date: Apr 2014
Location: Melbourne
Posts: 15

It is probably a blocked drain hose or you are not running the A/C often or long enough, so moisture stays in the condenser coil and breeds nasties.
The wife's car mechanic told her to switch off the A/C a few Kms from home?
Try a can of Clean Air (Brand) "Duct fresh". My mate a A/C repairer gave me a can, Spray it into the air intake inside the cabin area and into each vent with the fan off.
It is meant to kill mould and clean the ducts no just mask the smell.

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