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Leaky butt question

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Old 05-13-2013, 01:29 AM   #1
CF Senior Member
Supercharged111's Avatar
Member Since: Jan 2012
Location: Colorado Springs CO
Default Leaky butt question

Going to replace output shaft seals, I'll save the o-rings and sealant for when the clutch gives up. My question is about the vent, it's clearly been puking for some time. I HPDE the car frequently and no doubt cook the crap out of it. Is there anything I can do about the vent puking? It wasn't overserviced, so I don't know what else to do here. There was a puddle on top of the diff, so no question that it was coming from there as well as the output shaft seals.

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Old 05-13-2013, 06:43 PM   #2
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Member Since: Aug 2001
Location: Seattle WA

i thought about adding this vent to mine.
Autozone sells them.
K&N/Vent air filter
Part Number: 62-1000
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Old 05-13-2013, 08:59 PM   #3
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Member Since: Mar 2002
Location: F22 Raptor Country

Going with an open vent with a filter on it is probably the best solution. Get away from the one-way spring loaded vent which can stick. If they would have used a Teflon seal instead of rubber in the vent, it probably wouldn't stick and have problems. The rubber tends to stick, and then the differential builds up lots of pressure and will finally make the vent pop open and puke oil out.

There's a thread or two in the Tech forum I believe that talks about using an open vent to cure the puking.
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Old 05-13-2013, 08:59 PM
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