What size is the axle nut on a Subaru Outback?
Dorman - Autograde - Spindle Nut M22-1.5 Hex Size 32mm (Part No. 615-160.1) via
How tight should the castle nut be?
Expert Reply: The nut on the spindle should be tightened until snug, with no side-to-side play in the hub and then backed off slightly, about maybe a 1/8 of a turn. via
Can you over torque a wheel bearing?
Don't Use an Impact Wrench for Installation or Removal
It can also create a false sense of security when adjusting a nut or bolt, which may be under or over torqued. This can leave a hub assembly susceptible to failure. via
What is the torque specs for U-bolts?
Recommended U-Bolt Torque for Cold-Formed U-Bolts
|Size||Material Grade||Max. Torque Ft. Lbs. Unplated|
|1/2 - 20||5||70|
|9/16 - 18||5||100|
|5/8 - 18||8||177|
|3/4 - 16||8||313|