Need some help diagnosing a diff / oil leak
#1
Need some help diagnosing a diff / oil leak
Just recently pulled my skid plate off to do an oil change, noticed i had a lot of residue from some kind of lubricant on the top side of the skid plate. It just looked like the greese from the cv joints since both just blew out. However, after doing an oil change and letting the truck sit over night I saw a decent sized puddle under the 4wd half shaft on the passengers side. I thought it was oil so I checked my valve cover- it definitely could use a replacement but didnt appear to be leaking much if anything. I smelled the fluid and it had a definite diff fluid smell to it. So can diff fluid leak out of this area or is it just leaking down this way from higher up on the engine?


Last edited by BMWToyotaMan; Jan 23, 2011 at 01:29 PM.
#7
I couldnt see it leaking from anywhere up there. the one spot it could have leaked from would have put it in a different spot towards the front of the truck, not over the front axle.
It seemed like the consistancy of normal oil but just smelled like diff oil, thats whats throwing me off.
It seemed like the consistancy of normal oil but just smelled like diff oil, thats whats throwing me off.
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#10
If it smells like diff oil, then it probably is. Motor oil, when I smell it from my finger doesn't have much scent. Diff oil does. Sounds like an axle seal. Guess is that when you changed your CV boots, you either damaged the seal, or it was already ready to go when you pulled the CV's out.
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the1998sr5
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