xj rear discs from a zj...

wow I didn't go through all that when i did mine I just got the plate and calipers pulled the axles and swapped out the drum mounts for the disc mounts put it all back togeather and haven't had a problem since tood about 3 hours.
 
do you have a 44 rear?
a 35 or 8.25 is super easy , but the 44 needed all that extra love...without the correct retainer plates my bearings had a ton of play since my axle shaft was sliding back and forth so much.
 
yah the bearings on the non c clip 8.25 are in the tubes right, thats what i saw in the 35 i pulled the shafts from. that way you dont have to worry about bearing pre-load issues like you do have to worry about on the dana 44. and the drilling out of the hole and measuring and drilling new holes in the backing plate etc...
but now that ive done it once i know how to do it faster next time. also id use ford explorer setup for the 44.
 
yah the bearings on the non c clip 8.25 are in the tubes right, thats what i saw in the 35 i pulled the shafts from. that way you dont have to worry about bearing pre-load issues like you do have to worry about on the dana 44. and the drilling out of the hole and measuring and drilling new holes in the backing plate etc...
but now that ive done it once i know how to do it faster next time. also id use ford explorer setup for the 44.
 
you got lucky that the junkyard clipers worked for you. I picked up a pair for 50 bucks from the pnp and the cylinders had ruseted the piston to it. A referbished pair at napa was 55 bucks. Never again will i buy a pnp calipers. Pnp sucks unless its half off day or your going to pocket whatever.
 
Mine has c-clips and its an 8.25 and mine went together easy just put on the calipers upside down. just a little die grinder on the center hole for the backing plates and that was it.:clap:
 
the_weirdo said:
What makes the Explorer brakes easier? Less drilling of the backing plate and rotor?
I did the ZJ brakes on my old D35 rear and it was pretty simple. I have drums on my D44 and when they wear out I will replace with disks - it was a big difference on the D35.
Click to expand...


Don't know about the swap on the D35 or 8.25 but when I did the explorer rear disc brake swap on my 44 it was pretty easy. Just alot of drilling but all in all the whole swap will take under 3 hrs from start to finish. I was lucky to find new brake off a 98 explorer which ended up costing me right around $120.
 
joe,
did you get new bearings and use the tj retainer plate/teraflex spacer? or just let your shafts stay as they were?
the actual removing of the brakes and drilling and bolting up of the new backing plates wasnt hard. but realizing that i had to redrill my backing plates after installing everything kinda sucked and thats when i realized i needed some kind of spacer since the axle shafts had some play in them side to side.
 
the rubicon retainer plate has the spacer/shim built into it.
i had to drill the brake mounting brackets/plates to bolt to the 44 flange.
also had to drill out rubicon backing plate to match 44 bolt pattern
 
i didnt use the zj prop valve.
i eventually might but i dont care to do it any time soon.
there is also the upgrade where you pull that oring outta the prop valve to give full power to the rear.
im considering that but it already stops better than before so im not in a hurry. also i have everything to do my exhuast manifold gasket and other exhaust gaskets so id rather do that first.
i eventually plan on upgrading to a newer dual booster better MC setup .
prob do the newer wj stuff
 
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