agoldxj Posted February 24, 2012 Share Posted February 24, 2012 Did the swap today minus the ebrake cables, I'll do them this weekend. Found a 05 liberty at a junk yard and got the backing plates, hoses, and ebrake lines off of it. This is a direct bolt on with the exception of putting 3/8 brake fittings on the KJ lines(they switched to a metric fitting for whatever reason). Anyways onto a quick write and pics.. Jack up the rear, set on stands, remove wheels, then pop off the diff cover and drain fluid.. Image Not Found Remove 8mm cross pin bolt.. Image Not Found Remove cross pin and push axles in to release the c-clips. Image Not Found Slide out shafts and remove wheel studs, replace with studs from dana 30 wheel bearing.. Image Not Found Remove 4 nuts holding on the drums, get rid of all that crap.. Image Not Found You will be left with this.. Image Not Found Bolt on liberty backing plates, I put all the ebrake stuff on first. It was easier on the workbench. Image Not Found Add new rotors, and calipers.. Image Not Found Run your lines, into the stock location. I welded the liberty brackets behind the leaf perches. Bleed your brakes and your done. Image Not Found Difference is night and day, I had a leaking wheels cylinder which I didn't know about. Total time was 3.5 hours and a hour or so re-flaring the lines and setting up the emergency brake pads. Link to comment Share on other sites More sharing options...
A-man930 Posted March 3, 2012 Share Posted March 3, 2012 beautiful!!!! Link to comment Share on other sites More sharing options...
JeepinDev89 Posted March 5, 2012 Share Posted March 5, 2012 Just curious.. why replace studs from a Dana 30 wheel bearing? I know it'd be a good idea to put new ones in, just don't understand why the dana 30 ones are used. Are they necessary? Thanks Link to comment Share on other sites More sharing options...
Blue88Comanche Posted March 12, 2012 Share Posted March 12, 2012 Almost makes me want to swap my D44... almost.. Great write up! will do on one of my other MJs when i replace their D35s Link to comment Share on other sites More sharing options...
A-man930 Posted March 12, 2012 Share Posted March 12, 2012 *sigh* if only they offered a selectable locker for the 8.25... Link to comment Share on other sites More sharing options...
Motion Offroad Posted March 13, 2012 Share Posted March 13, 2012 *sigh* if only they offered a selectable locker for the 8.25... Uhm... they do... Link to comment Share on other sites More sharing options...
A-man930 Posted March 14, 2012 Share Posted March 14, 2012 So I stand corrected; forgot about the ARB. I'd rather have an electrically actuated one but hey, maybe I will keep the chryco :idea: Link to comment Share on other sites More sharing options...
agoldxj Posted March 15, 2012 Author Share Posted March 15, 2012 Just curious.. why replace studs from a Dana 30 wheel bearing? I know it'd be a good idea to put new ones in, just don't understand why the dana 30 ones are used. Are they necessary?Thanks Yes they are longer than the 8.25 studs. You need the extra 1/4 " due to the thickness of the rotors.. Link to comment Share on other sites More sharing options...
SW86 Posted March 19, 2012 Share Posted March 19, 2012 i was just wondering about the studs again today when i just bought more 8.25 studs. i had some old d30 studs that are almost a half inch longer. IIRC we've talked about this here before but i could of swore someone said running normal studs was fine :dunno: Link to comment Share on other sites More sharing options...
agoldxj Posted March 20, 2012 Author Share Posted March 20, 2012 It maybe fine, but with the rotor being thicker I figured having the longer stud was a good idea to make up for it. Especially with a aftermarket wheel.. Link to comment Share on other sites More sharing options...
Backdraft Posted July 9, 2012 Share Posted July 9, 2012 Just scored the KJ disc brake hardware. Looking forward to doing this swap. Thanks for the write up. Link to comment Share on other sites More sharing options...
Swampy Posted January 10, 2018 Share Posted January 10, 2018 I am planning on doing this swap on my 8.25. the stock 8.25 hard lines cannot be used with the disc? I have an extended rear brake line for the 8.25 w/ the distribution block, will this not work for the disc brakes? Link to comment Share on other sites More sharing options...
Skorpyo Posted January 10, 2018 Share Posted January 10, 2018 8 hours ago, Swampy said: I am planning on doing this swap on my 8.25. the stock 8.25 hard lines cannot be used with the disc? I have an extended rear brake line for the 8.25 w/ the distribution block, will this not work for the disc brakes? I haven't done this swap, but if you have an extended line and block there's no reason you can't use it for your discs. You'd just need to bend new hard lines to the caliper hoses. I did the same thing on my 8.8 swap. You'll just need a brake line flare kit, hard line and fittings to match the caliper hoses and distribution block. Link to comment Share on other sites More sharing options...
Swampy Posted January 10, 2018 Share Posted January 10, 2018 1 hour ago, Skorpyo said: I haven't done this swap, but if you have an extended line and block there's no reason you can't use it for your discs. You'd just need to bend new hard lines to the caliper hoses. I did the same thing on my 8.8 swap. You'll just need a brake line flare kit, hard line and fittings to match the caliper hoses and distribution block. Okay good. I am trying to gather a list of parts for my brake upgrade, I know I want to do kj disc in the back and thinking of maybe a new booster/master but idk about that part yet Link to comment Share on other sites More sharing options...
Swampy Posted January 11, 2018 Share Posted January 11, 2018 Can you use zj softlines to bolt to the xj/mj hardlines? Link to comment Share on other sites More sharing options...
Pete M Posted February 2, 2018 Share Posted February 2, 2018 the auto parts stores should have a plethora of adapters. just need to figure out what threads you're dealing with on each side. also the tech forum gets way more eyes for answers. Link to comment Share on other sites More sharing options...
Swampy Posted March 22, 2018 Share Posted March 22, 2018 What emergency brake cables did you use @agoldxj ? I have the ones off the liberty but they seem to be may to long for the mj Link to comment Share on other sites More sharing options...
Swampy Posted April 16, 2018 Share Posted April 16, 2018 Axle with longer wheel studs Opening rear axle to pull the axle shaft out to take off the drum brake backing plate Kj 8.25 disc brake backing plate Rear brake line routing (going to change it) New rotor/new caliper installed *not all the pictures needed but some* Link to comment Share on other sites More sharing options...
Pete M Posted April 16, 2018 Share Posted April 16, 2018 oh crap! I didn't realize they were all gone. Link to comment Share on other sites More sharing options...
Swampy Posted April 17, 2018 Share Posted April 17, 2018 10 hours ago, Pete M said: oh crap! I didn't realize they were all gone. Its all good I tried taking pictures when I was doing it to help the next person in line. If anything more specific is needed let me know Link to comment Share on other sites More sharing options...
Pete M Posted April 17, 2018 Share Posted April 17, 2018 I got a hold of the OP and the pics are dust in the wind so anything you think might help would be awesome. in fact, why don't you start a fresh one? Link to comment Share on other sites More sharing options...
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