T-case leak... I hope you have a warranty!!

Dkon82

New member
So over the last couple of weeks I have noticed some small oil drips collecting and coming from the center of my 4r, but couldn't really determine the source without it being up in he air. I took it to my mechanic...... Turns out one of the O rings was giving out and causing the leak. The dealership closest to me was out of the $3 O rings and the service guy said this is very common with higher mileage 4th gens (I just hit 100k a week ago).
The job calls for 10.7 hrs of labor. If I hadn't bought an extended warranty when I bought my 4r 5k ago I would have a $1080 repair bill for a faulty $3 part. 0 out of pocket plus rental car. A GOOD extended warranty is well worth the money in my opinion. I paid $1700 for mine and with the T-case issue and one other minor repair, I've nearly broke even with 95% of the warranty left.
 
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Yep, pretty common issue unfortunately. I had this problem, no warranty, and ended up using an additive made by white shepherd and that solved the leak. Good option for those not covered under warranty.
 
Yep, pretty common issue unfortunately. I had this problem, no warranty, and ended up using an additive made by white shepherd and that solved the leak. Good option for those not covered under warranty.

Well at least there is a cheaper alternative out there!! How long has that additive been holding up?
 

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