my jeep stinks-HELP - JeepForum.com

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post #1 of 16 Old 07-13-2011, 09:40 PM Thread Starter
J03_TJ
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my jeep stinks-HELP

Hopefully someone can help here.
The jeep developed a very noticeable oily smell all around it back in April or so. For instance, you can smell it in a parking lot once you get close to it.

Some history:
I am at a point where I want to start opening up my differentials, transmission, and transfer case to smell the fluids.
I changed all of these about 25k miles ago, so I don't think believe they could be stinking. I put Royal Purple Synchromax in the transmission, not sure if this may it?

I used two cans of R134a trying to make my A/C work and it all leaked out before I found out I had a leak in my condenser. This was all fixed a week and and a half ago. For a while thought that might have been causing it, but am under the impression R134a doesn't smell?

I switched to synthetic engine oil two changes ago, and am now back on dino oil. I was thinking that the timing of the smell was about the same time that I switched to synthetic so I switched back. I cannot recall the exact dates, so this was only a guess.

I changed my rear main seal about 8k miles ago and just replaced the valve cover gasket, thinking oil may be leaking onto my exhaust manifold. I still see some residue where the exhaust manifold mates with the block. Don't know if this is coming from the valve cover or not, or if it could cause the strong smell.

I've sprayed the entire engine bay and basically washed the entire Jeep inside and out with Simple Green. Also pulled the carpets and roll bar padding and washed them completely.

It's driving me nuts. I see Pigpen from Charlie Brown when I think of myself sometimes. A few of the guys at work can definitely smell it on me even after working in the office all day. One guy says it smells like motorcycle carb cleaner. Another guy was looking at my jeep outside today after it had sat for 6 hours in the breezy air and said it kind of smelt a little like rubber.
Anyone have any suggestions.

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post #2 of 16 Old 07-13-2011, 09:48 PM
Discovery
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If it smells like gear oil, than look at the 5spd shifter boot, I had a 95 montero that used to push transfercase gases up through the shifter boot and stink the whole cab up.
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post #3 of 16 Old 07-13-2011, 11:24 PM
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eat breathe sleep smell JEEP
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post #4 of 16 Old 07-14-2011, 12:05 AM
mattlock1983
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could it be diff fluid? i know that stuff has a very distinct smell when it gets old. maybe check to see if its oozing out your breather lines?

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post #5 of 16 Old 07-14-2011, 04:38 AM
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R134a, like most refrigerants, boils away at room temps. It is long gone. But, they do add a lubricant to it that travels through the refrigerant system that would not as readily dissipate. No idea if that has a smell, but I have never detected a smell and I have been around several R134a accidental vent-offs.
IMHO, it's your gear oil. That's the most pungent smelling stuff in your Jeep.
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post #6 of 16 Old 07-14-2011, 06:05 AM
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Quote:
Originally Posted by vic_sinclair View Post
IMHO, it's your gear oil. That's the most pungent smelling stuff in your Jeep.

+1, I agree.

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post #7 of 16 Old 07-14-2011, 08:06 AM
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Quote:
Originally Posted by J03_TJ View Post
I changed my rear main seal about 8k miles ago and just replaced the valve cover gasket, thinking oil may be leaking onto my exhaust manifold. I still see some residue where the exhaust manifold mates with the block. Don't know if this is coming from the valve cover or not, or if it could cause the strong smell.
If you have the leak fixed now maybe the smell will start to dissipate. My Jeep stank for almost a month after I spilled a good bit of oil on the block during an oil change. I tried to wipe it down but just the residue and places I couldn't get to was enough to make is smell like a hobo's taint.

"The problem with quotes on the internet is that you never know if they are real."

Abraham Lincoln
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post #8 of 16 Old 07-14-2011, 08:31 AM
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Forget the thread, I'm curious as to your life experiences that render you knowledgeable about the aromas centering around unwashed homeless people's nether regions....

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Originally Posted by hefightsfire View Post
smell like a hobo's taint.
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post #9 of 16 Old 07-14-2011, 09:30 AM
cheapjeep06
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Quote:
Originally Posted by JeffBowser View Post
Forget the thread, I'm curious as to your life experiences that render you knowledgeable about the aromas centering around unwashed homeless people's nether regions....
Now THIS is quote-worthy

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Originally Posted by Imped View Post
Rustys blows big, fat camel nuts.
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post #10 of 16 Old 07-14-2011, 10:40 AM Thread Starter
J03_TJ
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Quote:
Originally Posted by JeffBowser View Post
Forget the thread, I'm curious as to your life experiences that render you knowledgeable about the aromas centering around unwashed homeless people's nether regions....
Removed, saw the reference to the previous post. funny now that the joke isn't on me.
Sorry.
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post #11 of 16 Old 07-14-2011, 10:43 AM Thread Starter
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So, I know gear oil is stinky, but I don't have any leaks at my breather tubes or diff covers. can the stuff go bad and get pungent enough to smell up a non leaking jeep?? Also, I was concerned about the oil in the A/C lines, that is mainly why I sprayed the engine compartment and jeep down with simple green before pressure washing it.

I don't notice the smell going away since my valve cover gasket replacement two weeks ago. stinks just as much as ever.
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post #12 of 16 Old 07-14-2011, 10:46 AM
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do you shower?
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post #13 of 16 Old 07-14-2011, 11:19 AM Thread Starter
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Originally Posted by LiveAndLearn View Post
do you shower?
Daily.
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post #14 of 16 Old 07-14-2011, 11:52 AM
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Check your rear axle vent tube behind the fuel filler. Sometimes oil can spew out of there leaving a mess you don't see but sure can smell! Also check for any oil caught in your TC skid. Wash that out really well. Simple Green is a pretty good de-greaser.
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post #15 of 16 Old 07-14-2011, 12:41 PM
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Originally Posted by BYuen View Post
Check your rear axle vent tube behind the fuel filler. Sometimes oil can spew out of there leaving a mess you don't see but sure can smell! Also check for any oil caught in your TC skid. Wash that out really well. Simple Green is a pretty good de-greaser.
Purple Power is much stronger.
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