i have a 95 jeep cherokee i replaced the front hubs with timkins one month later the one burns out ,i replace it last night and today i drove it for 2 hours and it burned out again ,i torqued the 36mm nut to 175 ...anyone know what the problem could be???? im stumped

 

i dont see how a hub wears out in two hours. do you have steering wobble issues?

 

If your talking about the front rotor/hub.... 12 ft lbs is max on the nut.

 

the nut that tightens the axle to the hub is suppose to be torqued to 175 lbs not 12. caliper bolts are 12 lbs and the 3 12pts that attach the hub to the knuckle are 75 lbs

 

i thought he was talking about a 2wd ps:

 

The only way it is possible that you are wearing them is if you are not torgueing them to 175 ft/lbs.

 

Are you sure the axle is all the way through the bearing? On an older cherokee I owned, the axle nut would stop and I could torque the axle nut to spec, but there was a 1/4 inch gap between the axle and the back of the unit bearing, if that makes any sense. I had wire wheel the splines and thread of the axle, then grease them to finally get it to seat fully.

 

2wd gets torqued to 21 lbs backed off a 1/2 turn then to 19lbs

 

i figured it out ..the calipers were sticking ,heating up the hub bearings and everything else,i replaced the caliper and everything is good now .