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Old 07-22-2009, 02:27 PM   #1
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Still Getting Bad Fender Rub

I'm still getting bad fender rub from my tires.
Both sides in the rear are rubbing pretty bad now,
while before it was just the passenger rear.
One of my bump stops was broke a while back,
so I replaced both of them, thinking that was the problem on that particular side. (yes, extended bump stops)
Guess that wasn't the problem.

Today I took it out for a while, and went up a fairly steep wash,
nothing huge, and noticed that both fenders are being rubbed by my tires now.
I have a 4" Teraflex Lift and am only running 33x12.5's.
The front end is doing just fine, but the back sure rubs really easily imo.
It just doesn't seem right.
Does anyone have any ideas on how to fix this problem,
short of buying longer coils?

* I'm not so worried about the paint coming off,
as I am that eventually I'm going to either crack a fender,
or snap one off completely.

Here are some pics of where it's rubbing.
This is the passenger side,
but it rubs the same places on the driver side as well.
It's not rubbing the top of the fenders, just the back and the front of them, which makes me wonder if longer coils would even do anything, being that it's rubbing front to back, and not the top.




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Old 07-22-2009, 02:31 PM   #2
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What size wheel and what is your back space on them. Perhaps they stick out too far?

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Old 07-22-2009, 02:38 PM   #3
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What size wheel and what is your back space on them.
X2. Perhaps they are factory wheels which if they are, have way too much backspacing to run a 12.5" wide tire. For 33x12.50 tires, the wheels can have no more than around 4" of backspacing but factory wheels have 5.25" to 5.5" of backspacing which would position the wider tires too far into the wheel well.

Or, are the control arm lengths set a little too long so the tire is too far to the rear when stuffed upwards?
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Old 07-22-2009, 03:13 PM   #4
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No, the wheels aren't stock.
They're 15" American Eagles brushed alluminum.
As far as the backspacing, how do you measure that?
The tires stick out 3.5"-3.75" from the widest part of the fender.
And isn't a Saraha fender a couple inches wider anyways?

I don't know how to check the controls arms.
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Old 07-22-2009, 03:19 PM   #5
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Can you post a good clear pic of the side of your Jeep so we can see where your tires are positioned in the fenderwells? Improper control arm length can position them too far to the front or rear and cause tire rub. And your AE wheels probably have 3.25" of backspacing, most of their 15x8 Jeep wheels come with that amount.
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Old 07-22-2009, 03:31 PM   #6
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Here ya go.

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Old 07-22-2009, 03:54 PM   #7
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It looks like the wheels are 15x10.
This is what's stamped on the back:

580
15x10
M2
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Old 07-22-2009, 04:01 PM   #8
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Can you post a pic looking forward from the rear? One that shows how much the tire sticks out?
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Old 07-22-2009, 04:12 PM   #9
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Yeah, I'll do that as soon as I get back.
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Old 07-22-2009, 05:13 PM   #10
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The rear tire looks properly positioned in the wheel well from that side photo. Being just a tad forward of dead-center as it is means it can move slightly towards the rear as required when the suspension flexes upward. The way the control arms are mounted means the axle moves forward when drooping and towards the rear when the suspension moves upwards.
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Old 07-22-2009, 06:16 PM   #11
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Quote:
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The rear tire looks properly positioned in the wheel well from that side photo. Being just a tad forward of dead-center as it is means it can move slightly towards the rear as required when the suspension flexes upward. The way the control arms are mounted means the axle moves forward when drooping and towards the rear when the suspension moves upwards.
So if that's the case, then I guess the control arms aren't the culprit.
What do you think could be causing the rubbing then?
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Old 07-22-2009, 06:20 PM   #12
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Here's a pic looking forward Rob.

Does anyone know what the 580 and M2 stands for,
that is stamped on the inside of these American Eagle wheels?
It's stamped in the exact pattern as stated below.

580
15x10
M2


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Old 07-22-2009, 06:27 PM   #13
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maybe the width of the wheel.. my 33x12.5's seem to tuck into the flare...."also a sahara".

and the sahara flares are "1" inch wider than standard tj flares. and are the same as rubicon flares...just painted.
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Old 07-22-2009, 06:32 PM   #14
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What size wheels are on yours?
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Old 07-22-2009, 06:36 PM   #15
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15x8 with 3.25bs
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Old 07-22-2009, 06:39 PM   #16
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Any idea what the back spacing is on the 15x10's?
Just with that alone it sets them out 2" further right?
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Old 07-22-2009, 06:51 PM   #17
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1'' farther out and 1'' farther in.
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Old 07-22-2009, 06:55 PM   #18
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There can be several different backspacing for a 15x10. Most common for the wheels you have is 3.75'' and 3.25''.

To know for sure you will have to measure them.
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Old 07-22-2009, 07:00 PM   #19
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And measure from which 2 points?
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Old 07-22-2009, 07:01 PM   #20
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The inner mounting pad to the outter edge of the wheel.

Is your spare the same wheel?

You have to remove the wheel to measure it.
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Old 07-22-2009, 07:11 PM   #21
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Yeah, and that'd definitely be the easiest to take off and measure.

Do you really think it's the size of the wheel and tire causing the rubbing though?
Even though you have 15x8's, you still have the 15" diameter,
and the 33x12.50's.
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Old 07-22-2009, 07:12 PM   #22
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backspacing is the distance from the Inside mounting surface of a wheel the the outside edge of the wheel.

The higher the backspace the futher a wheel will stay inside your fenderwell.
The less backspace the futher a wheel will stick out from your fenderwell.

EXP...
5'' backspace such as a factory TJ wheel is inside your fenderwell more.
3.75" backspace such as found with an aftermarket wheel will set farther out from the fenderwell.

To measure the backspacing of your wheels...

1. remove one of your wheels and lay in FACE down.
2. find a FLAT object such as a carpenter sqare and set it against the outside lip of the wheel reaching both sides.
3. take a tape measure or ruler and measure from the mounting surface of the wheel to the straight edge.

4. You now have your backspacing measurement.




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Old 07-22-2009, 07:16 PM   #23
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Thanks for that man, very much apreciated.
I'll go pop off the spare and measure it now.

Do you really think it's the size of the wheel and tire causing the rubbing though?
Even though you have 15x8's, you still have the 15" diameter,
and the 33x12.50's.
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Old 07-22-2009, 07:22 PM   #24
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what about worn out rear shocks??
You said it was happening only on one side, and now its on both sides right?
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Old 07-22-2009, 07:25 PM   #25
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Quote:
Originally Posted by BLACKTOOTHGRIN View Post
you have 15x8's, you still have the 15" diameter,
and the 33x12.50's.
^^^ yes to that...I even have about the same amout of lift as you. Just different components. I actually have the stock control arms still. And my tires are TRUE 33'' tires. Your bfg will measure around 32''.




Your problem can come from many different things. I don't beleave at all it is your control arms and completely agree with jerry with how your tires sits in the wheel well in your pictures.

It may be the width of the wheels but may not... just throwing that out there as mine do not rub in these places with the same "a hair larger" tire. As the tire will tuck into the fender flare and bearly rub the very top inner center of the flare.

Two other things come to mind also...teraflex's coils are known to be soft.."their coil rate. also the teraflex control arm bushings are know to fail.

Every jeep is different though. The same issue on one can be different than the next.
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Old 07-22-2009, 07:51 PM   #26
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I measured 3.5" even.
However, my straight edge was a bit longer than needed,
and might have been raised a hair,
so I guess it could be 3.25",
but not 3.75".
Or is that the other way around? lol.
Naw, that's right.

I just wish I could figure out what's causing it.
I hate the thought of having to replace those expensive fenders.
I also hate not being able to do what I want with my Rig,
just because of this bullsh*t issue, ya know?

Thanks for your help though man.
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Old 07-22-2009, 07:58 PM   #27
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what about worn out rear shocks??
You said it was happening only on one side, and now its on both sides right?
Shocks still seem stiff, with very little bounce.
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Old 07-22-2009, 08:01 PM   #28
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They can very well be 3.5'' bs.
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Old 07-22-2009, 08:11 PM   #29
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I have got the feeling that those back springs are a bit soft though.
That, and/or they're a little overloaded with the hard top.
Mine doesn't sit like yours, it sags a bit in the back.
I don't know if the top would cause that or not.
It weighs about 150-200 right?
I like the way your sits though.
That's how I'd like mine to sit. (with the top and spare on)

I also like your Mickey's.
Do they wear like an s.o.b. on the pavement?
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Old 07-22-2009, 08:16 PM   #30
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I just looked up your wheel spec's on their site.

The 15x10 wheels you have only come with a 3 5/8'' bs. <--- just so you know.

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