I am going to replace a rear wheel bearing assembly tomorrow on 2003 Expedition. I need to know what size is the large nut holding the assembly to the drive axle? I want to be sure I buy the right socket. Also, if you have any other warnings or tips on that job great.

Thanks.

PS why do their wheels not come off without tons of effort?

 

Welcome to the site..

Can't remember exactly the size of the axle nut, but measure across the flat surface side to side of the nut for the correct socket. Hate to tell you the wrong size.. The axle nut holds with some pretty good torque (about 255lbs ft) as well as the knuckle to the lower control arm (295lbs ft) The toe link needs to be disconnected as well to get the knuckle moved away for the stub axle to clear its spline.. Make sure to get the nuts tight on the install, you don't want the axle to walk in the bore.. Sometimes the aluminium wheels will pinch on the centering hole, usually a good hard thump against the tire helps jar them loose..