Venza foul odor in cabin - Toyota Nation Forum : Toyota Car and Truck Forums

Venza Forum Discussion area for the Toyota Venza, a new crossover sedan vehicle. (2009+ model year)

 
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post #1 of 13 Old 12-06-2016, 10:23 AM Thread Starter
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Venza foul odor in cabin

So our 2009 has developed an overpowering stench in the cabin. Seems to be most strong when heat on recirculate, but odor is there even when control set on fresh air. If I had to name the smell I'd say it is stale old urine. Cabin air filter is of no help in removing this overpowering stench. Dealer looked at the car and says the blower behind glove compartment is clean with no obstructions. Dealer says 10 to 12 hours labor to pull dash apart and maybe find odor source. One thing I'd like to know is if the blower motor were dropped, how far left and right can a vacuum hose reach into the duct work, failing that how bout an flexible inspection camera. Also where are the cabin air returns located under the dash? Can someone please post the vent system exploded view diagram. I think I'm pretty much screwed here, I'd trade it in but no one would take it like it is.
Thanks for your help.
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post #2 of 13 Old 12-06-2016, 10:33 AM
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you might have a mice problem. Heard a few members here had to take dash/center console apart.
There's a big thread about it here. Rodent Patrol Against Damage

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Last edited by ilovemytoyota88; 12-06-2016 at 10:36 AM.
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post #3 of 13 Old 12-06-2016, 11:20 AM Thread Starter
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Yes, I think it is mice, or chipmunk. Don't think It's in center console though. Took fake wood part off and gave the sniff test and did not notice a stench, only a hint of odor. And it seems most prevalent when the heat is on recic. Makes me think it's in ductwork.
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post #4 of 13 Old 12-06-2016, 11:56 AM
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Rodents can actually get into the system through the vents under the hood. In the thread referenced above you will see variuos solutions for cutting this acces off. I actually found a nest on top of my cabin air filter so I made this cover.

This is on the passenger side under the hood near the windshield. It may be your problem as well.

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post #5 of 13 Old 12-06-2016, 12:46 PM Thread Starter
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Your cover looks great. On the odd chance you did not know, the opposite side has a hole as well.
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post #6 of 13 Old 12-07-2016, 05:15 PM Thread Starter
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Can someone please post the removal instructions for the cover that is directly behind the underside of the glove box? If I remove the cover it will provide access to the blower motor. Thanks

The cover name is... #2 instrument panel under cover sub assembly.

Last edited by docfletcher; 12-07-2016 at 05:37 PM.
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post #7 of 13 Old 12-07-2016, 05:21 PM
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Check out this video.
Changing the cabin filter

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post #8 of 13 Old 12-07-2016, 06:20 PM Thread Starter
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Thanks for the video. But that's not what I'm talking about. I'm talking about the the cover that covers the blower motor. Once removed it will allow access to the blower motor.
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post #9 of 13 Old 12-07-2016, 07:45 PM
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My bad, I totally misread that. That cover is very easy to get off. If you look up under the dash at the front of the cover, right at the bottom of the glove box, you will see five rectangular holes . Inside of each of these holes is a black plastic tab. Use a flat head screw driver to push the tab towards the front of the car, then pull down on the cover at that point. Do that all the way across five tabs and it will drop down. Before you take it out though, notice how the end at the firewall has the tab that goes into the hole, when you go to reinstall the cover, put this tab in first then push up on the five points again and it will snap back on.

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post #10 of 13 Old 12-07-2016, 09:39 PM Thread Starter
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That's great, Thanks. I'm gonna drop the motor and shop vac left/right vent sides and see if I can clean out a nest.
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post #11 of 13 Old 05-19-2017, 11:49 AM
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Not to unnecessarily revive an old thread ... but wanted to comment on this.

My recently purchased 2013 Venza literally smelled like the previous owner had smoked two packs of cigarettes a day in the the car and with the windows rolled up. Seriously bad. After my initial test drive, I could still smell the stench on my clothes when I got home. Totally off putting. Anyway, long story short, I went ahead and bought the car ... and on the recommendation of my wholesaler, I invested in an industrial strength ozone generator. It's a small AC powered box that I simply plugged in and sat on the center console with the windows up, car running and AC set on recirculate/low.

And sweet mother ... lemme tell you. I've never been so amazed by a device in all my days. I let the Ozone box run for two hours in the sealed and running car and it literally destroyed every odor in the car. I mean *completely*. I actually ran it over two separate, one hour sessions. There is not a single trace of cigarette smell left in the car ... or any other smell for that matter. After treatment, there was a very pronounced/strong ozone scent which totally disappeared after a day or two normal use.

Seriously, if you have any sort of cabin funk/smell going on ... do yourself a favor and forget about any other method of odor removal, especially fragrance based "solutions" which really don't work and use a quality, high output ozone generator.

Here's the unit I bought on Amazon:

...



...

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

...

joel
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post #12 of 13 Old 05-22-2017, 11:38 AM
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You have to be careful of ozone emitting devices.

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post #13 of 13 Old 05-22-2017, 11:56 AM
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Quote:
Originally Posted by Sifu View Post
You have to be careful of ozone emitting devices.
Correct. Always follow the directions included with the unit. The area must be free of plants, pets and people during the entire procedure. You can do up to 2 hours of ozone exposure, let it sit for 2-3 hours afterwards then enter and ventilate for a few hours before returning to normal use.

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