Jeep Wrangler TJ Renegade 1997 - need advise on brakes/rotors and diff gears - Jeep Wrangler Forum
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Old 09-23-2015, 12:11 AM
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Jeep Wrangler TJ Renegade 1997 - need advise on brakes/rotors and diff gears

Hello,
This is my first time posting on a forum so please excuse me if this has been answered elsewhere (please point me there if it has), but I need some advise and mechanics can't seem to provide it...

I'm slowly rebuilding a 97 Jeep Wrangler Renegade, bought second-hand 4 years ago. It's been used as a daily driver until recently by my wife but now that she has a new car, I can focus on finishing this project.

I've kind of replaced/upgraded most of the parts in the car except the engine, but am having some annoying issues that I can't seem to get resolved.

1st thing I would like some assistance with:
Currently the most annoying one is the squealing front brakes.
I replaced the whole (front & rear) braking system, new braided hoses, calipers, rotors, pads, drums and shoes etc etc.
I chose to go with the DBA 4000XS for front rotors, and was recommended a Bendix pad to go with them. The rotors and pads installed nicely, bedding in was done to spec, but then after about 35-40km the brakes started squealing like I had a piglet hidden in my wheels.
The worst thing is there was no pattern to the noise. Sometimes it comes as soon as I start driving, other times it creeps in when I've been driving for a while. I tried all the "grandma remedies" but that didn't affect it at all.
Finally took the Jeep to a mechanic and he replaced the pads (the usual: these pads are [email protected], I've put in some really good ones now).
Maybe the new pads were really good, but the squealing returned again as before
I then bought new Remsa pads, which were recommended by someone I know. Same issue, worked great initially and then started singing again.
Now, I'm on my 4th pads in less than a year and it doesn't seem to be making any difference...
BTW after each pad change the mechanics would machine the rotors.

An observation I made is that the pad doesn't sit at the edge of the rotor, it is about 5-6mm inside the rotor, so my mechanic tells me that this could be causing the "issue".

I'm kind of thinking that the culprit could also be rotors, but I don't know...

Does anyone else have a similar issue? If you have, have you solved it and how?

Worst case scenario is I'll order a whole set of new brake parts from Black Magic and try with that set-up.


2nd thing I needs some assistance with is the diff gears.
I want to re-gear my diffs, since I run 31/32" tyres (depending on the terrain I'll use it on).
From what I can gather by looking at the gear tables, I'd need 4.10 Gear Ratio with 29 tooth speedo gear.
Can anyone confirm if this would be correct?

Appreciate any assistance anyone can offer, specially regarding the brakes...

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dba rotors , jeep wrangler tj 97 , re-gearing diffs , squealing brakes

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