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Post by bossind on Aug 1, 2008 15:00:38 GMT -5
Getting an odd smell from the vents, at least I think its from the vents. Seems to happen when the AC is on. 2005LJ. Can't figure out what the hell it is, thought it was from the tanker I was following the other day but the smell comes and goes days later. Any thoughts?
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Post by nwquadriders on Aug 1, 2008 16:17:20 GMT -5
What kind of smell??? Anti Freeze, Burning-Dead-Mouse?  |
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Post by bossind on Aug 1, 2008 18:00:53 GMT -5
What kind of smell??? Anti Freeze, Burning-Dead-Mouse? If I new I wouldn't have said odd, never smelt this before. |
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Post by Belfast on Aug 2, 2008 14:30:02 GMT -5
I am going to go out on a limb and say it is a musty / wet towel type smell - it often happens in the summer when air conditioning is used intermittently - condensation builds inside the ducts when its hot outside. Then when it cools off (like at night) the moisture breeds mildew. There are a few things you can do, but probably the easiest and lowest tech is turning the blowers on high and taking Lysol spray and spray it in the air intake right in front of the windshield. Some (not all) of the spray will get sucked in and help with the mildew (both killing it and making it smell a little better). For other options, search the web ( here's a search that has a few good links) |
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Post by bossind on Aug 4, 2008 17:52:05 GMT -5
I am going to go out on a limb and say it is a musty / wet towel type smell - it often happens in the summer when air conditioning is used intermittently - condensation builds inside the ducts when its hot outside. Then when it cools off (like at night) the moisture breeds mildew. There are a few things you can do, but probably the easiest and lowest tech is turning the blowers on high and taking Lysol spray and spray it in the air intake right in front of the windshield. Some (not all) of the spray will get sucked in and help with the mildew (both killing it and making it smell a little better). For other options, search the web ( here's a search that has a few good links) Thanks for the reply, but I don't think its that as it came on suddenly after an hour of driving. Was hoping it was a common thing with the jeeps and someone would have known right off what it is, guess I'll have to do some work. |
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Post by malone on Aug 8, 2008 15:07:01 GMT -5
oh yeah, i've definitly got the wet towel smell.
Belfast, did the Lysol trick work for you?
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Post by Belfast on Aug 8, 2008 18:54:27 GMT -5
I have been pretty fortunate to not have the problem. Since it's no longer a daily driver, if the weather is nice, the top is off; the weather is bad, I don't drive the LJ.
It is probably the cheapest thing to try - I know some co-workers say they have had success with the method on their cars.
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Post by bossind on Aug 18, 2008 5:02:47 GMT -5
turned out to me my front diff fluid, guess it turned bad? It never came out of the vent line or anything, just the fumes.
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Post by Belfast on Aug 18, 2008 19:21:43 GMT -5
I have had diff fluid come out the over-flow tube (guess I filled it too much when I replaced the diff covers). The smell is pretty bad.
I have never heard of diff fluid "going bad" - did you have a slow leak? I could see you not having enough and it heating up, but diff fluid usually lasts 80k+ miles.
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Post by nwquadriders on Aug 18, 2008 21:43:27 GMT -5
Actually, we're supposed to change our diff fluids every 12 to 15 thousand miles (or once a year)....if we use 4-wheel drive more than your average SUV driver. It breaks down a bit over time and can start eating away at the seal around the cover (hence the oily looking covers that most people have). Or if you drove through muck or water, you could have contaminated it by sucking some of the bad stuff in. It's easy enough to change the fluids out, and not expensive either. I'll be doing mine again soon before the Fall/Winter wheeling starts up for me.
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Post by Belfast on Aug 19, 2008 22:43:51 GMT -5
Actually, we're supposed to change our diff fluids every 12 to 15 thousand miles (or once a year)....if we use 4-wheel drive more than your average SUV driver. The owners manual is a little hazy on this - if you go by "schedule b" which is freezing temps, stop & go, dusty conditions, trailering, offroad, or high speeds in hot weather, then it says to change your "axle fluid" every 12,000 miles. "Schedule a" is for vehicles that don't meet any of the above conditions and it never mentions replacing the "axle fluid". I changed mine after I did some water crossing and replaced the covers with RockCrusher covers front and rear at the same time - which is part of the reason why I over filled since I found conflicting reports on how much to add with the RockCrushers. I change mine every so often based on how much I drive and what I drive through, but I have never heard of the gear oil going bad on its own. Makes me wonder if I should be changing mine more often - I personally think every 12k miles is a little too much unless there is considerable wheeling in those miles, which unfortunately 99% of my miles are local roads/highway. Although it's not expensive, it does take some time to do (scrape off the old RTV, clean out the gears, apply the new RTV and line it up on the first shot, etc.). |
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Post by bossind on Aug 24, 2008 19:46:13 GMT -5
Fluid was at the correct level, was changed not so long ago by the autobody shop that changed the front diff (jeep was in a wreak). My guess is they used cheap or wrong fluid. The vent cap was white and clear thus the reason I didn't suspect diff fluid, and the fact it didn't smell like diff fluid.
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