Passat (B5) :: Gas Leak Smell Comes Through Vents When The Air Is On
Jul 30, 2012
It seems my car likes leak gas smell, its not leaking gas but the smell is strong and comes through my vents when the air is on, and also is in the car after high speeds (like getting off highway and stop at stop sign) also will work its way into my car when not running..
I noticed when i bought the car that the previous owner had replaced things under the hood and took off ALL the covers under the hood (the plastic covers under the hood, for example the v6 30 valve piece and the one running horizontal for the air cleaner across over top the battery), so my air cleaner is exposed at the top, so could this have any effect on the smell?
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I have a 2003 Dodge Neon and recently had transmission work done on the car. When I got the car back the radiator cap was left loose, I didn't know this until I took the car for a drive and it overheated. I let the car cool down, replaced the coolant, and made sure the cap was sealed down. The car now has a slow coolant leak, when I turn the car off I can see it drip underneath for about 2 minutes and then it stops. Also, after the car heats up to running temperature I get a burning rubber smell coming through the vents. What could this be? The car only has 70,000 miles on it and I would like to keep it going if I can.
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I have noticed a refrigerant oil smell coming out of the A/C vents when I first start my truck with the a/c on.. smells like the PAG oil in the A/C system.. I got under the truck and stuck my finger in the condensate drain and it's oily, and has the same smell.. the A/C is still blowing cold, but the smell is getting worse..
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I am getting a plastic or oil smell from the vents. I read about this on hear a while ago but I didnt record the problem. What that is. Oil leak from engine seal? I don't know...
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I noticed a few months ago I wasn't getting much heat from my 99 Passat. I had the cooling system flushed and checked. Still no heat even after having all this done. Not long afterwords I started noticing that sweet smell through the vents, but couldn't find any leaks. I checked the expansion tank and it seemed to be slightly low so I added some coolant just to top it off and there it was. Steam started rolling up from the drivers side where the coolant had dripped on the exhaust and that's when I found the leak. I took the screws out that hold the tank to the bracket and discovered the leak coming from a short tube that appears to connect to nothing leaking coolant. Now here's my question, is the tank suppose to have a hole in it ? I thought it was suppose to be pressurized. What I don't figure is why didn't the shop notice it when they were refilling the system.
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So, at 14k it looks like I have that musty smell coming out of the AC vents. I've seen a TSB on here that addresses it. Hopefully my first trip to the dealership for anything other than an oil change doesn't present me with any other surprises.
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When the car is warm with the A/C off(vent air only) you can smell an oily smell coming from the inside air vents. The smell is also evident from the engine compartment when exiting the car. I do not have any oil leaks that I can find and have been good about cleaning up spilled oil when changing the filter. I've had the car when new and it currently has about 63k miles on it now. The smell seems to be getting worse. No mods to the engine and everything else seems to be running well otherwise.
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I recently purchased a 01 Passat 1.8T and noticed a strong 'used oil' smell coming in through the vents, especially at stoplights; the vehicle continued to smell badly when parked and turned off.
After looking around the PCV system, I found a small check valve near the airbox that was dry-rotted and non-functioning. As I continued to search, I found a large PCV hose directly under the intake manifold closer to the firewall. This appears to be ~3/4" hose that appears to be missing a connector. It appears as though there was supposed to be some sort of male/male insert and some clamps that are supposed to connect these tubes.
Any diagram or a DIY replacement walk-through for the PCV sytem on the 1.8T? Now that I've found the pcv break, I'd really like to get it changed out.
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When stopped at lights I start to smell burning oil coming from the vents when I have the heat on. It only happens every now and then and only when you are stopped at a light. I tried letting the engine idle after driving once and I can't smell it when i open the hood. I do synthetic oil changes every 5,000 since the car was new. I don't know what it could be? My last oil change was about 2,000 miles ago so I can't see it being burn off from the last change still.
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Noticed a deodorized smell coming from dash vents when heater put on? After my 30k service I noticed the smell of deodorizer.
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My 2001.5 Passat traditionally does not start easily when it is less than 6degrees outside. Today it was that cold..it started easily..but about 30 minutes into my drive to work..I realized it was a little smoky and exhaustish smelling in the car..once I realized it wasn't the car next to me..i realized if I turned off the heat..the smell went away..but at the stoplight..i could see smoke coming from under the hood..out the corner by the passenger/dashboard... Car has 80,000, recent oil change, what it is?
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I started noticing a burning oil smell a few weeks ago after driving to and from work. Then I noticed drops of oil on the floor in the garage. I wanted to start a consumption test so I scheduled an appointment at my dealer and asked them to look at the leak.
The invoice says they replaced some screws and a bolt near the turbo and cleaned the area. That was Monday. Today there are a few fresh drops and the burning oil smell is back as I drove to work. I made another appointment for Friday. What this could be.?
I'm at 53k miles and glad it's still covered. Just hope they get to the bottom of it.
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The joys of owning a VW never ends...
Fuel line after the fuel filter going to the engine has sprung a leak...
Either way fuel line part number 561-130-307 is leaking wanted to give another heads up to people who are experiencing diesel smell inside the cabin...
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Last week my check engine light went on. Some hoses needed replacement and the mass air flow sensor was out of spec - I had it replaced as a preventive measure.
Now the car seems to have a subtle oil/exhaust/acrid smell, especially after car has been driven 15 minutes or so and in stop and go situations. When I step outside the car, an acrid smell appears around the engine and tailpipe area.
Check engine light is off - I took it back and they could detect nothing amiss - granted the whole garage smells like oil and exhaust. They did find a "class 1" oil leak on the rear valve cover - just a bit of oil on the rim - not yet dripping.
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Would having the cup holder replaced on an 08 Wagon with the non climatronic ac system require the disconnection of the right hand side selector that controls where the air comes out.
Just noticed today that no matter what position it's in the air only comes out on the windscreen vents and the two side vents on either end of the dash.
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My wife was in the car today, and complained about a strange odor coming from the A/C vents. I would describe it as a slight vinegar/alcohol/sour odor. I think it is from the A/C vents.
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I have a strange (musky) smell coming from my air vents when i turn on the air. I was told by the dealer that this could be mold growing inside the vents because I use the AC a lot. Is there any cure for this besides going to the dealer? they told me that they can partial get rid of this by spraying a chemical into the vent but they cannot guarantee that it will work.
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Been noticing this lately. Kinda smells like coolant I think but it's intermittent and for a short period of time. Notice it more when turning the heater on or when setting the temp to a higher setting.
Havent noticed any leaks on the carpet. Heater core? Why intermittent?
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So I've been noticing this for a while, pretty much ever since ive had my car. I have a 2011 camry se v6 and when i go hard on the gas from a dead stop or accelerating on a on ramp on to the freeway i get this smell coming from the vents that smell like rotten eggs or something and my friend in the back said he can smell it too. This only happens when i accelerate really fast and shoot up to or over 4500-5000 rpm, why? i use cheveron 89 gas which is plus.
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I have a 2013 and after it sits for a day especially when it's warm the AC vents put out a moldy smell when starting. I've heard all the ideas of Turing off AC before shouting down engine but that shouldn't required for a Lexus of all cars. The dealer ran a refresh we thru the systems that worked for a few days but that was it. I've never had this problem with my 2004 RX. I also replaced the cabin filter with a charcoal based one. Seems a $45,000 vehicle shouldn't have this type of problem
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I noticed this weekend the vents in my 080camry have a foul musty smell coming from them, what this could be.
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