Pinion nut size, 11.5 AAM axle

[TBusclas]

Can someone tell me what size the pinion nut is on this axle? Doing a fluid change and fixing a leaking rear pinion. Thanks!

 

[rscurtis]

If no one jumps in with the answer, I'll go into the archives, grab a nut and measure it. Before you attack the seal, make sure the vent isn't clogged.

 

[JerryNelson]

What was the nut size?

 

[K5IP]

Make sure you mark the nut position to get the preload back correctly.
Rog

 

[bighammer]

Found in another thread:

What a goat roping this has turned into. First, that prior article in TDR got it wrong about the socket size. 1.375"? (1 3/8", that is) Too small. So I managed to lay hands on a 38mm 6-point (too small) and a 39mm 12-point (too big). So I haven't the foggiest what sort of socket this thing takes. I had ordered a seal from one of the online Mopar suppliers, but since I was dead in the water and wanted a backup seal when I finally got this nut off, I had the dealer order one. He had to have the VIN number to make sure he got the right one. So the seal job is at ALL STOP for the time being. An aquaintance is a Mercedes mechanic......he said, "American Axle?? Them sumb**ches dont' know WHAT they've got."

View attachment 91012View attachment 91013

 

[rrowdy]

12 point 36mm