Squeaking/scraping noise
01-07-2019, 03:08 AM
#1
JK Newbie
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Join Date: Sep 2018
Location: Willingboro, Nj
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Squeaking/scraping noise
I have a 2012 4door and I just noticed a squeaking/scraping noise when I slowly accelerate, slow coast through a parking lot, and gets louder when I brake. It’s pretty loud when the window is down, but I still can hear it when it’s up. It goes away once I pick up speed at about 20 mph. I had just got gas and about 10 minutes later I hear it. Same place I usually get gas though. I don’t know if I always had this noise because I usually have music playing. I put it in park then out to see if maybe the brake got stuck, but it still made the noise. Any tips?
01-07-2019, 08:57 AM
#4
JK Jedi
No details in your profile. We dealing with a stock suspension, or something that has been lifted. If lifted, is the front DS factory or aftermarket?
01-07-2019, 01:18 PM
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Sorry! This is my first Jeep, I believe everything is stock. And no noise while it’s in park running. But after work I drove it home and there was no noise at all. So I’m thinking maybe I picked up a rock or something.
01-07-2019, 03:27 PM
#6
JK Junkie
Could be a brake caliper that sometimes gets stuck. I had this once in a motor home. I bought a cheap non contact thermometer from harbor freight. Then drove the motor home around a bit and coasted to a stop. I then got out and checked the temperature of all four hubs. The one with the sticking caliper was noticeably hotter.
01-07-2019, 05:00 PM
#7
JK Jedi
Y, if dealing with a stock vehicle, seems like the most obvious culprit would be something brake related. Going to guess the weather in NJ right now isn't very conducive to pulling the wheels off and taking a good look at the rotors/pads/calipers at each hub. If it's something you can reproduce on demand, it might be helpful to find a nice big parking lot and have a spouse or buddy drive slowly as you watch/listen from the pavement to try and narrow down where it's coming from.
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01-08-2019, 05:21 AM
#9
JK Jedi
I wouldn't think that you'd have a bent axle flange on a stock vehicle, but that sounds a bit like the common bent flange symptom if you're pinpointing it from the rear. I guess there is a chance someone had larger tires on it in it's previous life....never can tell with a used vehicle. I'd inspect the brakes and the runout on the flange/brake rotors in back.
01-08-2019, 07:32 AM
#10
JK Junkie
When I changed the rear brakes on my 2012 they looked horrible. Pads were almost gone. Metal backing was rusted and crumbling. That was at 70,000 miles. As others have said- you should check your brakes.