Rear disk brake conversion
Does or has anyone done a rear disc brake conversion on Dana 35 rear axle without buying the kits like are sold at quadratec ($660.99) maybe a way to get the parts from junkyard build?
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Joined: Nov 2008
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From: Northern Ontario, Canada
Year: 1990, 1999, 2000
Model: Cherokee
Engine: 4.0
yup, 95-98 zj grand cherokee. you can use all the parts from the axle tube out. so grab the backing bracket, calipers and rotors.
it's a bolt on application.
and i think the e-brake cables will hook right up also.
it's a bolt on application.
and i think the e-brake cables will hook right up also.
Originally Posted by caged
yup, 95-98 zj grand cherokee. you can use all the parts from the axle tube out. so grab the backing bracket, calipers and rotors.
it's a bolt on application.
and i think the e-brake cables will hook right up also.
it's a bolt on application.
and i think the e-brake cables will hook right up also.
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Joined: Sep 2008
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From: N.J. Shore Area
Year: 1994
Model: Cherokee
Engine: l6 HO
http://home.swbell.net/rriojas3/reardisk.html
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From: chico,ca
Year: 1989
Model: Cherokee
Engine: 4.0
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From: Gloucester Virginia
Year: 2001
Model: Cherokee
Engine: 4.0 I6
Wrong, it bolts right up to a C8.25, I know because I have done this swap using parts from a 95 ZJ. I had to grind the inner circle of the backing plate a little bit, but otherwise bolted right now.
Senior Member
Joined: Jul 2011
Posts: 598
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From: Wilmington, NC
Year: 1997
Model: Cherokee
Engine: 4.0L
I've done both. No spacer required. 8.25 is a direct bolt-up. D35 requires the hole be enlarged.
There is some minor fabrication/thought required for brake lines and parking brake cable but nothing difficult.
I made new hard brake lines and hose brackets but others just bend the OEM lines and don't attach the hoses.
Parking brake is only an issue if your state requires it for an annual inspection (like NC).
Senior Member
Joined: Jul 2011
Posts: 598
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From: Wilmington, NC
Year: 1997
Model: Cherokee
Engine: 4.0L
Noticeable difference.
Depending on what year you have I'd also upgrade to the 97+ master cylinder and booster while you are at it.
I would also suggest taking the proportioning valve out of whatever ZJ you get your brakes from. Most don't do it but I found that the XJ prop valve was biasing too much to the rear (wheel cylinders require more fluid/pressure to operate). Under heavy braking I was getting tail wiggle. The ZJ prop valve settled it all down and got the pressures where they should be on all 4 corners.
Do the disks, upgraded MC, booster, prop valve and some good pads (I use Hawk Severe Duty) and it will be a night and day difference.
Depending on what year you have I'd also upgrade to the 97+ master cylinder and booster while you are at it.
I would also suggest taking the proportioning valve out of whatever ZJ you get your brakes from. Most don't do it but I found that the XJ prop valve was biasing too much to the rear (wheel cylinders require more fluid/pressure to operate). Under heavy braking I was getting tail wiggle. The ZJ prop valve settled it all down and got the pressures where they should be on all 4 corners.
Do the disks, upgraded MC, booster, prop valve and some good pads (I use Hawk Severe Duty) and it will be a night and day difference.



that rocks,, I would have a lot of parts.....