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Hello, my 1989 jeep Comanche long bed that I have, has been dealing with some drum issues going through inspection. I bought the jeep and and it already had what looked to be new shoes around 4 to 5mm of meat on both sides. The drums although I would say have seen better days. My question is, could I sand down the shoes really well and slap a new drum on?(its a Dana 35 rear too I should add). I have heard mixed things on throwing a new drum on somewhat used shoes. Should I give it a shot?
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Hey guys I was instructed by @Pete M to write a new write on swapping disc brakes. This is my first write up and being one of the younger guys on the forum feel free to critic the write up. **You can easily do this swap in a few hours, given you have the tools and are handy.** First things first find your local salvage/junkyard and find a jeep liberty with rear disc brakes. I personally used an 04 liberty. You are going to pull all the good stuff, backing plates, rotors if they are good, calipers (to use as cores for new ones), brakes lines, e-brake components minus the e actual ebrake cables because we will be re-using the stock comanche ones If you are lucky like me the wheels will be off the liberty, so all you will have to do is take off the caliper, pop the diff cover, take the 8mm cross pin bolt out, push the axle shafts in, take out the c-clips, and pull the axle shaft out to give you access to you the backing plate. which should look like this.... undo the 4 bolts and everything should come out in one piece. Now back to where you have your beloved comanche, set the rear up on jackstands and repeat the same process to pull the axle shafts out and expose the dreaded drum brake backing plate its 4 bolts just like the kj backing plate, be sure to be use generous amounts of pb blaster, elbow grease and a hammer to knock off the backing plate. once its all off, you can take your kj backing plate and mount it on your axle Once the backing plate is one, you have to use your hammer once again and hammer out the old wheel studs as they are not long enough to mount your wheels and tires safely with the now wider mounting surface of the disc Part numbers: the studs I used are the front wheel studs from a 1997 jeep cherokee dana30 they fit perfectly once you have the studs in, you can go ahead and reinstall your shafts Now the only specialty tool you need is a double flaring tool found at most auto part stores. Yours may allow you to rent, but I had to purchase mine. It is a tool like this. ** I watched several youtube videos on how to flare brake lines before attempting doing this, and recommend you doing it as well.** You have to swap the fittings on the kj lines because they won't thread into the distribution block on the 8.25. So you cut the end off the kj line and pull the old fitting off. Since I used the original fittings, it didnt slide the easiest over the kj line so I used a blow torch to heat them up, to expand them and slide it over the kj line. After the "new" xj fitting is on, match the brake line to one of the holes in the flaring tool and flare to your hearts desire. Once the flaring is done, you can carefully bend your brake lines and run them how you want them. I still have to fix mine as I want the line to go under the leaf springs but I wanted to get it hooked up and tested. After all this is hooked up, you can install your new pads, rotors and calipers. I went with the drilled and slotted flavor mostly for aesthetics and performance too Bleed your brakes and off you go. I really like how it feels with how little driving I have done around my neighborhood. I can't really compare the disc brakes to drum brakes because I never drove my jeep with drum brakes but from what I have read it is an upgrade over stock. If you have any questions, please let me know so I can answer them to the best of my ability. Also let me know if you need more pictures
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- brakes
- disc brakes
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Would like to lift the rear a few inches. Have added a shackle lift for a whole inch. What else is out there? Rearched leaf springs, add a leafs ? Don’t want to do a springover. Don’t want 5” of lift just a couple 2” or so. I know Cherokee springs are shorter so that’s no help. Don’t see much listed for Comanches.
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what gear ratio is everybody running in their MJ? I am thinking about changing mine. i'm talking everyday drivers and toys
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I have a dana 35 rear end right now and i am currently redoing all my brake lines after this past winter the negative 30 days were cold enough to burst my brake line. i figure since I'm going through all this work i might aswell convert my rear brake drums to disk brakes. I know some of the grand cherokees later came with rear disk brakes i just want to know what all do i need to grab from the grand cherokee at a junk yard to convert them I'll end up buying brand new calipers and rotors and pads from the store but i still need all the mounting hardware. any suggestions or advice from anyone who has done this?