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I've got a weird issue with the wife's 66... the rear axle pinion seal was leaking badly so I replaced it. It has a 7.25" rear axle (I6), which according to the parts listing uses the same seal as an 8" rear end. That's all good and well, but I took it for a test drive today and it flung gear oil EVERYWHERE! I just finished pulling the pinion yoke back out and the seal looks perfect, as does the sealing surface on the yoke. I took out the trusty calipers and measured the yoke OD as ~1.65"... the seal is 1.81" ID (the rubber bit)! Well crap, no wonder it leaked so bad!!!
I can't seem to find any seal dimensions that give me something other than the 1.81" ID. I even checked the axle tag and it is indeed a 7.25" axle (3.20:1 ratio). Where do I find a pinion seal for this thing? Anyone got a part number?
I can't seem to find any seal dimensions that give me something other than the 1.81" ID. I even checked the axle tag and it is indeed a 7.25" axle (3.20:1 ratio). Where do I find a pinion seal for this thing? Anyone got a part number?