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View Full Version : IRS Pinion Seal Leaking


FLEA03
06-04-2012, 01:39 PM
Anyone ever had trouble with the pinion seal? Installed FTBR system, 3:73 gears and Ford Racing diff cover. After that the pinion is wanting to push out and leak. The pinion angle is correct. The vent is clear. New pinion and bearings, so no wear. Didn't leak on the street, only on the track. Poss the diff could build enuff press to push the seal out? Vent to small?