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2007 Hyundai Elantra Brakes Grinding


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bosstone75
New User

Nov 19, 2013, 4:05 PM

Post #1 of 9 (2349 views)
2007 Hyundai Elantra Brakes Grinding Sign In

Hello - Trying to decide if I have what it takes to diagnose and repair this issue.

I have a 2007 Hyundai Elantra with 120,000 miles on it. I bought it used, so I don't have a maintenance history except after 105,000.

I've replaced the rear brake pads and rotors because when I bought the car, I had it inspected and they said that would need to be done soon. I performed that job about 2 months ago and things seemed fine.

A couple of days ago, I noticed some slight grinding of my brakes as I applied the brakes at low speeds. Didn't notice the noise going from 65-20 MPH, just went I get down to the low speeds. I believe the sound is coming from the front passenger side wheel. I also can feel the grinding in the pedal as I brake.

Yesterday, I noticed the grinding had gotten louder. I also started noticing yesterday that the grinding persists after I remove my foot from the brake pedal and then start moving. I believe the grinding only occurs when I start moving, but when I get up to 10 - 15 MPH or so, I believe the grinding goes away.

Now I've gotten so paranoid, it's possible I hear the grinding noise at all sorts of different speeds, but I can't be sure.

Could it be as simple as my pads have just worn down to the indicator and even when I release the brakes that they still lightly brush against the rotors? Or, is the fact that the grinding continues after removing my foot from the brake pedal a sure sign that there is something wrong with the calipers? Or something worse?

I'm going to be taking the tires off the car after supper here and will report back on what the pads look like.

Thanks in advance!
Bill


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 19, 2013, 4:11 PM

Post #2 of 9 (2345 views)
Re: 2007 Hyundai Elantra Brakes Grinding Sign In

I don't know why you are wasting your time on a forum instead of removing the wheel and looking to see what is going on. You're never going to know until somebody looks to see.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 20, 2013, 6:43 AM

Post #3 of 9 (2327 views)
Re: 2007 Hyundai Elantra Brakes Grinding Sign In

Quote ">>I performed that job about 2 months ago and things seemed fine.<<"

Like Hammer Time just said. Get off the web and go look. First place to look with problems frequently is the last place that was worked on,

T



bosstone75
New User

Nov 20, 2013, 11:27 AM

Post #4 of 9 (2318 views)
Re: 2007 Hyundai Elantra Brakes Grinding Sign In

So, I pulled off the front wheels and checked the brake pads.

The brake pads on the front passenger side were worn down to the nub. I replaced those.
The brake pads on the front driver's side were thin, but not as warn down as the ones on the passenger side.

As part of that whole process, of course I had to push the caliper back. I used a caliper compression tool to do that. Both calipers moved back without too much force although it's a bit hard to tell since it's a threaded tool.

Overall the rotors were still fine. The driver's side rotor had some minor scratches on the inside of the rotor. I'm thinking it's because the pad was worn completely down.

Installed the pads, put the car back together.

Grinding sound was gone. Brakes work fine. Car does not veer in either direction when driving or braking. So, a lot of signs that the caliper is fine.

My plan is to check the pads out after a couple of weeks of use and see if there's a significant difference in wear between driver's and passenger's side.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 20, 2013, 12:12 PM

Post #5 of 9 (2316 views)
Re: 2007 Hyundai Elantra Brakes Grinding Sign In


Quote
The brake pads on the front passenger side were worn down to the nub. I replaced those.


You did change the pads on both sides, right?



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bosstone75
New User

Nov 20, 2013, 12:38 PM

Post #6 of 9 (2311 views)
Re: 2007 Hyundai Elantra Brakes Grinding Sign In


In Reply To

Quote
The brake pads on the front passenger side were worn down to the nub. I replaced those.


You did change the pads on both sides, right?



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 20, 2013, 12:44 PM

Post #7 of 9 (2306 views)
Re: 2007 Hyundai Elantra Brakes Grinding Sign In

Did you forget to type something there?



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bosstone75
New User

Nov 20, 2013, 2:20 PM

Post #8 of 9 (2301 views)
Re: 2007 Hyundai Elantra Brakes Grinding Sign In

Hum... I typed something and hit Post Reply...

Anyway... I did replace both sets of brake pads on the front wheels.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 20, 2013, 5:18 PM

Post #9 of 9 (2293 views)
Re: 2007 Hyundai Elantra Brakes Grinding Sign In

OK - When you don't have evenly worn brakes left and right side of same end THEN you have to question calipers, flex hoses or a hardware problem. That's why shops will default to more parts if that is found.

IMO it showed you a warning and you ignored it and a shop would catch shat fast long after a customer complained about it costing more. It costs more to do it all over again or worse an accident that could be avoided if they totally failed.

Back to square one now. When in doubt like that with brakes, toss it out and do the whole job,

T







 
 
 






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