: I found out why my 06 differential was dropping spots of oil

blown black caddy
05-04-06, 05:19 PM
Called the service manager at Bewley Allen where I bought the car and he said bring it by. They put the car on the lift and while opening the fill plug oil came pourning out of the top! It turns out the factory overfilled the differential causing it to occasionaly spill out of the vent hole and run down the side of the differential! :rant2:

Scary thing is he said he's seen a couple of others come in for the same problem! :eek:

05-04-06, 07:21 PM
well mine's slowed down its oozing, so overfilling makes sense.
i'll be changing it soon and i wont muck it up, so we'll see then

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05-05-06, 05:27 AM
hey an overfill beats an underfill...at least in a vented casing where excess pressure goes out a vent instead of blowing a seal.....

05-05-06, 09:37 AM
i had the same issue as far as leakage goes...but mine was a missing vent plug. replaced and no more issues

05-05-06, 10:07 AM
both my 01 vette and my dads did the same exact thing. kind of scary to come home after the car has been parked a while and find a puddle of diff fluid...