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replacing rotors

Discussion in 'The Garage' started by checkmateboats, Jan 10, 2003.

  1. checkmateboats

    checkmateboats Newbie

    Jan 6, 2003
    Likes Received:
    Just bought a 1986' fullsize Jimmy that had been in storage for three years. Has a nice shake to it when you hit the brakes so I'm going to replace the rotors. I've heard you need to dissamble the lockout assembly in order to slide off the rotor. Would a person with average mechanical skills be getting in over his head?
  2. Hossbaby50

    Hossbaby50 3/4 ton status

    Sep 1, 2001
    Likes Received:
    Peoria, AZ
    Its not to hard, but pay attention to what you are doing. You will need a special hub nut socket to get the hub (bearing hub, not locking hub) & rotor assembly. While you are in there check out the wheel bearings and races to make sure that they are ok, if not, replace them too. Minimum of repack the bearings. The locking hub is pretty easy. The 6 bolts on the outer cover, the 2 lock rings (3 if they are auto's). The Outer (larger, hard to see) lock ring can be a pain in the ass. You will need something like dental picks, eyeglass screwdriver (my personal favorite) or something along those lines to get under it to get it out. It sits in a groove along the inner surface of the hub and the outside of the locking hub. Once you get that ring out and the ring on the axle shaft the hub should come out. If you have auto hubs there will be another snapring on the axle behind the hub. Then you come to the place where you need that special socket. You can rent it or if you plan to do some decent wheeling where you might break an axle just buy one. (about $22) You will have to retorque the wheel bearing lock nuts & rings to a certain torque (don't remember what, but a Chilton's will tell you how much and how to do it). When you get both lock rings and nuts out then the hub & rotor comes off easy. Be careful when you pull them off as the inner wheel bearing will try and fall out the backside of hub assembly, so catch it.

    Also you might just be able to have the rotors turned instead of buying whole new rotors. They just true the rotors if there is enough material left on the rotor. Then you don't have to buy new rotors, and have the old wheel studs pressed out and new ones pressed in.

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