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Discussion Starter #1
I have a 2006 Mazda 6, I'm a n00b, and I need the assistance of you helpful gentlemen. ;)

I have the moldy smell coming from my A/C vents, and I need to locate the A/C drain tube on the bottom of the car to spray some Klima-Cleaner into the evaporator box. I haven't actually gone down there and looked for it yet, but I want to make sure I get this right.

It's obviously on the passenger's side, but are there any pics/descriptions/tutorials of what to look for? Also, for the record, I have already tried replacing the cabin air filter and spraying Lysol into the intake.
 

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Discussion Starter #5
they sell mold cleaner for the A/C at the auto parts store. you spray it in the induction ports by the windshield and it cleans all that crap out.

I don't think the drain tube should have any effect on what comes out the vents as it is removed from the system, but I'm not an A/C expert.
I already have some cleaner called Klima Cleaner. They recommend spraying it down the center vents, which I can't do, since the cord they include just gets stuck and winds up behind the plastic piece, never reaching the evaporator core.

The other recommended (and best) way to use the product is to spray it up the A/C drain tube. Which I am still in need of help with finding. Anyone??
 

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Location AC evaporator drain hole

Hi
Had a problem finding this myself. Its on the passenger side firewall well down and difficult to see as it is partly obscured by a metal bracket. It is a short plastic spout about 15mm dia and it only protrudes a small way from the bulkhead. I would include a picture but it is too difficult to photograph. On RHD vehicles look down behind the battery.
 

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position of drain tube

Can anyone help me

Is this the AC drain tube?

I have had both my front and rear well full of water, I think over time its been filling up/

Can anyone confirm this is the drain plug I should try and unblock? how far should i poke in? it is wise to jet some air in there?

If its not can anyone put a photo up of what I am looking for. this plug is on passenger side,

Cheers
 

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Can anyone help me

Is this the AC drain tube?

I have had both my front and rear well full of water, I think over time its been filling up/

Can anyone confirm this is the drain plug I should try and unblock? how far should i poke in? it is wise to jet some air in there?

If its not can anyone put a photo up of what I am looking for. this plug is on passenger side,

Cheers
any advice on this? MY drain hose is clogged but I don't know where it is.
 

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The location is on the firewall lower passenger side. The pics Azreal posted are the correct location.
I was able to unplug mine last month by taping a smaller diameter length of hose "like a piece of garden hose" to my shop vac and positioning the hose over that drain port. I also used a piece of electrical wire bent with a sharp U on the end to probe the port.
My car is the 3.0 so in order to get to the condensate drain, I had to put the car on car ramps and get to it from the underside.
 

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thanks cofe.
I tried to poke in to the drain hose with a wire hanger but it seems like I can only get in about 3/4 of an inch then it feels like I am hitting on something metal so it wire won't go in any further to clean it.
So you basically use a shop vac to suck it? What do you mean by probing it with a U shaped wire?
thanks,
David
ps I have read somewhere if we clean it by poking a wire in the drain hose, it should go in to about 3 inches to get the dirt out but I can't find where I read it from.
 

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Davidtongg, I used a piece of electrical wire to poke the condensate drain. It is bendable and can follow the condensate tube. I was able to get a little water coming out with the electrical wire. Then used a combination of poking the wire and use a shop vac to fully open the tube. (set the shop vac up to handle water.)

Where I live there are small mud dobber wasps that fill every hole they find with mud. It sets up as hard as concrete. Luckily, I was able to get the tube open.
 

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so the electrical wire you use to poke into the tube needs to go pretty far? How far? I remember reading somewhere says 3 inches but for me it feels like I am hitting on a metal after getting it in less than an inch.
 
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