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Highlander vinegar smell?

8 messages,  Last post on Aug 25, 2009 at 5:02 PM

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#1 of 8 Highlander vinegar smell? by forthill Oct 15, 2007 (5:04 pm)
My 2006 non-hybrid V6 AWD Highlander seems to have lately emitted a smell that I can only describe as vinegar.   Anyone experience this "smell" and what do you attribute it to? Time to take it in I guess - can any place work on and fix this or am I better served by the dealership?   Thanks. Walter Replies to this message: tidester (Oct 15, 2007 8:01 pm) boylan13 (Oct 28, 2007 3:50 pm) tshel (Aug 25, 2009 11:55 am) webgood (Aug 25, 2009 1:21 pm) steve_ (Aug 25, 2009 1:32 pm) tshel (Aug 25, 2009 5:02 pm)
#2 of 8 Re: Highlander vinegar smell? [forthill] by tidester HOST Oct 15, 2007 (8:01 pm)
Replying to: forthill (Oct 15, 2007 5:04 pm) Here are some guesses: Fuel vapor from engine compartment, exhaust entering the ventilation system, emanations from the catalytic convertor, mildew produced on the air conditioning coils/compressor, food errantly left behind somewhere inside the vehicle that has become spoiled (butter is particularly bad!).   There may be others.   tidester, host SUVs and Smart Shopper
#3 of 8 batteries by kenlw Oct 16, 2007 (5:13 pm)
vinegar smell is often a byproduct of recharging batteries. perhaps one of the rechargeables is leaking a bit, or at least outgassing. Have it checked as a leak could be serious.
#4 of 8 Re: Highlander vinegar smell? [forthill] by boylan13 Oct 28, 2007 (3:50 pm)
Replying to: forthill (Oct 15, 2007 5:04 pm) My wide started noticing a similar smell in our 2006 Hybrid Highlander in July 2007, just after our 15K service (we've had it since July, 2005, yes we don't drive much, so I guess we're extra green?). Thinking it was something the kids had dropped, she didn't worry about it too much but it gets worse and better, and after a *thorough* cleaning has not gone away.   My nose isn't as sensitive as hers so it doesn't really bother me, but when I asked her to describe it she said it smells like the fruit/vegetables area does at Costco sometimes - "industrial moldy old coolant kind of smell" - her words, not mine. Can you name that smell in 5 notes?   Anyone else experience any unexplained unpleasant smells (unrelated to passengers *or* drivers) in their 2006-era Highlanders, hybrid or otherwise? We'll bring it in as soon as we can (particularly if it could be battery-related), but the original poster has a non-hybrid, so I'm leaning toward it being a coolant thing.   -CB
#5 of 8 Re: Highlander vinegar smell? [forthill] by tshel Aug 25, 2009 (11:55 am)
Replying to: forthill (Oct 15, 2007 5:04 pm) My 06 Highlander stinks - especially if it sits in the sun! It smells more like clothes that stayed in the washer too long. The dealer claims to have cleaned the a/c and put some kind of air freshener in it but it still stinks. Some days it's awful. I have never spilled anything, there are no leaks, never carried fish, bait or grabage! It's enough to make me go to a Honda, seriously. I have shampooed the rugs, replaced the mats, taken out the rear cargo area carpet. What else can I do? Even moth balls didn't help. Replies to this message: webgood (Aug 25, 2009 1:21 pm) steve_ (Aug 25, 2009 1:32 pm) tshel (Aug 25, 2009 5:02 pm)
#6 of 8 Re: Highlander vinegar smell? [tshel] by webgood Aug 25, 2009 (1:21 pm)
Replying to: tshel (Aug 25, 2009 11:55 am) I assume by "it" stinks is the A/C and not the actual interior fabric of the vehicle itself. If so, you might try this...a quart bottle of isopopyl ("rubbing") alcohol and a basic garden or household squeeze-sprayer head screwed on it. Remove the cabin media filter...not sure on the 06's but it's still probably behind the glove box. Set the A/C to recirculate, turn on high-speed and just moderate temp. With all windows closed and it running, spray 3-4 times in as fine a mist as it will make towards where the frontseat passenger's shoes would be. The mist gets sucked up in the recirculate draw. Shut the door, let run for a minute or two, open and repeat. If the smell's that bad I'd do it 4 times. Then I'd park it with the windows open for a couple hours. The alcohol kills the bacteria that causes the odors (assuming they're in the A/C system). The "alcohol" smell which some may find objectionable will dissipate within a couple days at most from the system. You may have to repeat as necessary. Foremost, make sure there's a new cabin filter in it which I put in AFTER the alcohol treatments. p.s. The spray works great in stinky shoes, also in wearable clothing "accessories" that might get exposed to or drenched with perspiration and are difficult/expensive to wash...kills the bacteria that causes odor and doesn't deteriorate cloth. Regards, BGood Replies to this message: steve_ (Aug 25, 2009 1:32 pm) tshel (Aug 25, 2009 5:02 pm)
#7 of 8 Re: Highlander vinegar smell? [webgood] by steve_ HOST Aug 25, 2009 (1:32 pm)
Replying to: webgood (Aug 25, 2009 1:21 pm) The dealer should have used something like BG Frigi-Fresh in the AC vents.   Until you can kill the smell for good, try some fresh ground coffee on the carpets to mask the odor.   I had some grits spill beneath the back seat one time and they gave off an alcohol smell when they got damp and fermented. You may want to double check every nook and cranny you can get to, including under the front carpets, just in case it's not the AC (but it probably is).
#8 of 8 Re: Highlander vinegar smell? [webgood] by tshel Aug 25, 2009 (5:02 pm)
Replying to: webgood (Aug 25, 2009 1:21 pm) Thanks, I'll give it a try.

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