NAS brake noise? - Defender Source
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  #1  
Old December 18th, 2015, 01:46 PM
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Virgil Broussard
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NAS brake noise?

When I hit the brake pedal while driving, there's what sounds like a hissing noise coming from the rear passenger side brakes. To get a better idea of the sound, I took some video. It's definitely more then a hiss. It also sounds like there's a bad bearing. I'm just wondering what to do. I hope that the audio helps.
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  #2  
Old December 18th, 2015, 02:10 PM
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Are your rotors scored?
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  #3  
Old December 18th, 2015, 02:13 PM
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Virgil Broussard
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Zach, I haven't pulled the wheel off yet to inspect it, But i'm thinking that it may be.
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  #4  
Old December 18th, 2015, 02:18 PM
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LOL- you could've pulled the wheel off and inspected the pads and rotor in less time than it took to set up that fancy video camera and upload!

My guess- worn brake pads


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  #5  
Old December 18th, 2015, 04:41 PM
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Virgil Broussard
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very true. Tomorrow i'll pull the wheel off and inspect.
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  #6  
Old December 19th, 2015, 03:17 PM
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Virgil Broussard
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Okay, so I pulled the wheels off. The rear rotors look pretty scored. If you run your fingers across them, you can feel slight ridges. Pics of pads and rotor included.

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  #7  
Old December 19th, 2015, 03:35 PM
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replace both
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  #8  
Old December 19th, 2015, 04:05 PM
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Virgil Broussard
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Zach, i'm assuming that you mean both pads and rotors?
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  #9  
Old December 19th, 2015, 05:36 PM
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Exactly... can't really get away with one or the other, unless you have the rotor "turned". Rotors are pretty cheap.
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Old December 20th, 2015, 02:13 PM
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Virgil Broussard
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That's what I thought. Is there any major difference between the slotted/drilled rotors and plain rotors?
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  #11  
Old December 20th, 2015, 02:25 PM
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Just get plain rotors. Slotted or drilled rotors are a waste of money.
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  #12  
Old December 20th, 2015, 04:49 PM
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Virgil Broussard
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Thanks for the advice. While I'm at it, does it make sense to replace the hub bearings?
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  #13  
Old December 20th, 2015, 05:00 PM
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Quote:
Originally Posted by Vunkle View Post
Thanks for the advice. While I'm at it, does it make sense to replace the hub bearings?
Never hurts. Especially if you have no idea when they were done last.
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  #14  
Old December 20th, 2015, 05:18 PM
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Quote:
Originally Posted by Red90 View Post
Just get plain rotors. Slotted or drilled rotors are a waste of money.

100%... I often talk people out of the s/d rotors. I always do aftermarket rotors with genuine pads
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  #15  
Old December 20th, 2015, 06:30 PM
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My rear brake pads lasted about 12k miles with drilled and slotted rotors. I only bought them because they were half the price of Genuine I just replaced the rears again with new aftermarket callipers and Genuine pads and rotors. I would have gone with aftermarket rotors had they been available immediately.
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  #16  
Old December 21st, 2015, 10:39 AM
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Quote:
Originally Posted by Z.G View Post
100%... I often talk people out of the s/d rotors. I always do aftermarket rotors with genuine pads
+1 on genuine pads - did all my brakes and tried everything to get my aftermarket pads to stop squealing (anti squeal, shims, copper grease....) in the end swapped them out for genuine and they are as quiet as a church mouse....
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  #17  
Old December 21st, 2015, 10:46 AM
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Quote:
Originally Posted by Vunkle View Post
Thanks for the advice. While I'm at it, does it make sense to replace the hub bearings?
maybe/maybe not- what kind of miles are on the truck?
I just regreased all the original bearings in my RRC LWB last year.
Truck has 180K on it.


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