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Toyota Yaris Climate Control Problems

29 messages,  Last post on Oct 25, 2009 at 7:40 PM

You are in the Toyota Yaris Forum. Your Host is pf_flyer

What is this discussion about? Toyota Yaris, Heating / Cooling, Hatchback


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#16 of 29
Re: Toyota Yaris bad smell (mold and mildew) [bamacar] by verlierer
Jun 23, 2009 (10:35 am)
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Replying to: bamacar (Jun 23, 2009 10:27 am)

Thanks for the replies!
Yes, I definitely will be installing the filter. My owner's manual doesn't mention anything about the cabin air filter being a possible problem for the A/C. If I had known, of course I would have gotten one.
I do plan on talking to BBB, etc about this, but to be fair, the conversation hasn't gone past my local dealership, at this time.
#17 of 29
Re: Toyota Yaris bad smell (mold and mildew) [verlierer] by bamacar
Jun 23, 2009 (10:54 am)
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Replying to: verlierer (Jun 23, 2009 10:35 am)

Good luck and let us know how things progress.
#18 of 29
Cabin Filter by frosty8
Jun 28, 2009 (4:03 am)
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I am getting ready to buy 2 yaris and was wondering if I install the cabin filter if it will take care of this problem. Is this something a person can do themselves or would a Toyota service person have to install.
Mike
#19 of 29
Re: Cabin Filter [frosty8] by girlcarbuilder
Jun 29, 2009 (4:24 pm)
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Replying to: frosty8 (Jun 28, 2009 4:03 am)

Hello everyone. Thanks for the heads up on the leaf/mold problem. Been looking at the Yaris as a replacement for higher mileage fleet units. Does not matter what you buy, there are times you have to go back and redesign something. We plan to rent one for a week before buying the first one, but we count on feedback from those who have already bought.
 
Mold is clearly getting in from rotting stuff. Keeping leaves cleaned out from the outside vent system is the answer. If we buy, it will go to our shop immediately for screens to be made and installed. Not uncommon for those vent openings to be under sheet metal or plastic cowl vents. I have even seen them inside fender wells!
 
As a note, cabin air filters did not come out until recently. If you can install one, do. It is easier to replace one than to have to rip out a clogged evap core and pay someone like me a ton of money to do so!
#20 of 29
Re: Toyota Yaris bad smell (mold and mildew) [bamacar] by tenaz
Jul 05, 2009 (8:51 pm)
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Replying to: bamacar (Jun 23, 2009 10:27 am)

I do have the same issue with my 07 Yaris I took for the car to Northridge Toyota The third time on June 5th 2009 They want to charge me because my car is over 52,000 my warranty is up and they told would charge me to diagnostic fee for the same issue on the car has been repaired under the warranty twice.I declined,and
I escalated to Toyota Motors They get in the same position as the dealers saying the following : The dealership determined that the failure was not a factory defect rather it is a customer related problem. Mr XX is leaving his car in a unprotected area. The drain hoses for the a/c on his Yaris are being plugged by foriegn debris causing the water to back up in the evaporator and is causing the leak into his vehicle. He was told on both occassions that this is not a warrantable issue outside influences are not covered by Toyota. On his two previous appointments the debris was cleaned out of his vehicle as a Goodwill gesture from Northridge Toyota and the Factory. He has complained to Toyota Motor Sales and Toyota has turned him down for any Warranty assistance. Mr XX Yaris is now out of the Factory Warranty.
Knowing that I went to different Dealership : Thanks to service Advisor and his mechanic explained me the issue why it get debris inside the a/c box I understood clearly is a manufacturer issue because if you put anything in your glove compartment when you have the A/C button in circulation mode the A/C Box sucks air inside of the box causing with the time the drain plug be clogged and the fluid will leak inside the passenger side under the carpet.In order the A/C drain plug don't get clogged you can't put anything inside the glove compartment.
This is Lemon issue affecting most of the Toyota Yaris Hatchback 07-up
If you guys get the same issue as my self hit me up for legal referal against Toyota Motors.
Regards
Tenaz
#21 of 29
Re: Toyota Yaris bad smell (mold and mildew) [tenaz] by girlcarbuilder
Jul 06, 2009 (6:48 am)
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Replying to: tenaz (Jul 05, 2009 8:51 pm)

Hmmm, mold and mildew can be real problems here in the south.
 
Our sale is currently in a suspense mode, ink has not hit the paper yet. We did advise parts we want the complete service manual set for our shop: not that I want to do their warranty work on my car!
 
Hopefully they have resolved this issue for 09: I think I will inquire a lot more carefully for we close this deal.
 
Thanks for the heads up.
#22 of 29
Re: Toyota Yaris bad smell (mold and mildew) [tenaz] by girlcarbuilder
Jul 08, 2009 (9:22 am)
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Replying to: tenaz (Jul 05, 2009 8:51 pm)

Okay, I had some time recently to look at the new Yaris on the lot to see what I could see about this issue.
 
Comparing the cowl vent right below the windshield, I noticed the Yaris does not have a screen under it like the other models do. Talking to parts department, the exploded view does not indicate that it has a screen at all. That makes this car very prone to getting leaf and other trash into the a/c vent system. Also, many cars have been made this way in the past! I recall old Volkswagens to be that way.
 
After seeing this, I would do the following. Remove the cowl plastic vent and glue a piece of nylon screen material inside it. I suspect silicone will work as a glue. Clothes pins make nice clamps for little projects like this. Test the silicone first on the inside to make sure it will stick to the plastic. Allow it to set up for 24 hours then replace. Total repair time will be about 48 hours. 24 hours to allow testing of your glue material.
 
With or without that screen, I have seen many people allow trash to build up around that vent. This causes nothing but problems long term. Keep that screen/vent cleaned out. Avoid parking under shedding trees. That is tough for those of us who love trees. Otherwise, cover that vent up, install a screen whatever.
 
They tell me that the 09 has an optional cabin air filter available: I recommend you get one to keep junk out of the evap core that comes from the cabin area.
 
We all already know about the sprays that "make it smell better." But the best action here is prevention. Oh, it also pays run outside air at times to dry that evap box out.
#23 of 29
Re: Toyota Yaris bad smell (mold and mildew) [girlcarbuilder] by lhanson
Jul 09, 2009 (8:45 am)
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Replying to: girlcarbuilder (Jul 08, 2009 9:22 am)

My 2007 Yaris hatchback comes with a slot for the cabin air filter. It is located behind the glove box. I have two on order. Paid about $20 for both of them from an Ebay store. I got the second one for my daughter's 2008 Yaris Sedan.
#24 of 29
Re: Toyota Yaris bad smell (mold and mildew) [lhanson] by girlcarbuilder
Jul 09, 2009 (11:03 am)
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Replying to: lhanson (Jul 09, 2009 8:45 am)

Just remember that most of this problem is coming from the outside vent that does not have a screen.
 
Our new car is being bought 400 miles away from here. that dealer will be running the down payment shortly on plastic. As soon as the fun is done and it gets home, about the 20th, I will be looking into getting an outside screen set up for it. Will post how it comes out.
 
Thanks for the info on the filter price. Far cry from $24 a piece at the dealer.
#25 of 29
US version of the Toyota Yaris air intake by ellenbetty
Aug 10, 2009 (7:59 am)
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I had the same problem with my Ford Escort wagon. I learned to clean out the cabin air intake tunnel with a vacuum hose.
 
I was annoyed to learn that Toyota did not install the cabin air filter in the US version of the Toyota Yaris. I learned that the filter was missing when Lube Stop tried to check the air filter at 12,000 miles. But the Toyota Yaris air filter is not a HEPA filter. Mold spores will pass through a new Toyota Yaris air filter.
 
The Toyota Yaris has a better designed cabin air intake than my 1994 Ford Escort. My Ford Escort has a cabin air intake tunnel that clogged with leaves. I had to use a vacuum cleaner hose to get out the leaves. The Ford dealer had the nerve to suggest that I buy a vehicle cover to prevent leaves from getting in the cabin air intake.
 
The main sections of both of my 2007 Toyota Yaris 3 door liftback are covered with nylon screening. I did not notice there is secondary air intake that cannot be seen without opening the hood. That secondary air intake is without a screen. Thanks for the warning. It is a good idea to clean the area in front of the air intake of leaves that build up. It sounds like a good idea to glue a piece of nylon screening on the outside of the secondary air intake.
 
Since there has been zero mention of the main cabin air intake having a nylon screen, I wonder if there is a difference between those vehicles that have the Optional Winter Package in how the cabin air intake is protected? My guess is that the uncovered air intake is a back up in-case the main cabin air intake is covered with snow or ice.
 

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