Grinding noise

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Pinky787

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Grinding noise coming from what sounds like front right tire area. Just a light brake tap and it won't do it but braking to come to a complete stop it does. First assumption is brakes obviously, what's throwing me off is after I let off the brake and press the gas the noise is still there for maybe a second then goes away.
It'll be get parked tonight and looked at Wednesday.
2002 civic. 156k miles. Brake pads and rotors done at 100k. If you think it's something else let me know maybe what else I should check
 
52 to 72$ don't seem high at all. At O'Reilly
 
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pikepole20 said:
06 Honda here, sounds like rotors to me and new pads.
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I just went ahead and ordered a set, should be here Wednesday, which is my day off and when I was planning on changing the oil pan gasket anyway, so guess it'll be a full day of car maintenance
 
Pinky787 said:
... what's throwing me off is after I let off the brake and press the gas the noise is still there for maybe a second then goes away...
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is that a symptom of a bad rotor, or something bad in the caliper?
 
DrScaryGuy said:
is that a symptom of a bad rotor, or something bad in the caliper?
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Hard to say, but sounds like a possible slightly sticky caliper with trashed pads to me. If the pads are bad enough to make grinding noises as described, the rotors are probably toast as well.
 
Pinky787 said:
I just went ahead and ordered a set, should be here Wednesday, which is my day off and when I was planning on changing the oil pan gasket anyway, so guess it'll be a full day of car maintenance
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Better in the driveway then on the highway.
 
Check the dust cover. I may be caught on the caliper and pressing on the rotor.

When you take the wheel off and turn by hand does it still grind?
 
Make sure the caliper guide pins aren't sticking. Clean out all the old grease from the guide pins and the hole they fit into and regrease them with the correct grease. The last time I did the brakes on our 2010 Corolla I also replaced the little rubber boots and the rubber seals on the guide pins in case anything was swollen or deteriorated after 182,000 miles (they weren't, but the parts were cheap and I couldn't tell if I needed them until the brakes were apart).
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rdinatal said:
Check the dust cover. I may be caught on the caliper and pressing on the rotor.

When you take the wheel off and turn by hand does it still grind?
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Dust cover seems find. It won't turn by hand, having to use a bar in-between the studs to make it turn, the pad is definitely touching the rotor with car in neutral. Is this a bad caliper problem? Definitely needs pads n rotors tho
 
Pinky787 said:
Dust cover seems find. It won't turn by hand, having to use a bar in-between the studs to make it turn, the pad is definitely touching the rotor with car in neutral. Is this a bad caliper problem? Definitely needs pads n rotors tho
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If wheel bearings are fine, you likley have a piston that isn't retracting. Is one pad worse than the other?
 
Supermatch said:
If wheel bearings are fine, you likley have a piston that isn't retracting. Is one pad worse than the other?
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Bearings seem fine. Honestly spend most of the morning replacing oil pan. Just got the 1 tire off, don't have a lift or a second jack or jack stand. So was just gonna do 1 side at the time as far as pads n rotors go, parts aren't here and got to run get the kid from school, guess I could try to measure pad without taking it all apart, throw the tire back on jack the other side and try to compare
 
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Does it go away after you drive a bit? Do you park outside?

Lots of cars will do this when the rotors flash-rust. Maybe I am thinking of a different noise, though.
 
GeorgeBush said:
Does it go away after you drive a bit? Do you park outside?

Lots of cars will do this when the rotors flash-rust. Maybe I am thinking of a different noise, though.
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Yes it does get parked outside, but the morning commute it 40ish minutes, and it did it every stop light and stop sign, and sometimes when braking hard from being cut off. Then did it the ride home as well. Wife stated it did it the day before but didn't tell me. So at least 2 days in a row of it doing it. And now with tire off car in neutral, it takes a pry bar to get the hub to turn
 
So the driver side rotor looks worse as far as rust. But the passenger side pads look worse and the rotor on passenger side has more grooves in it, I can spin the driver side by hand unlike the passenger side.
 
If one looks worse, replace both of them. They work much better doing both.
 
It also should be noted that whatever you do to one side, you should do to the other. Like if you replace the caliper on the right side, do the left one too. On a car with that many miles, you should probably do everything on both sides. Hose, caliper, pads, rotors.
 
Ended up taking it to a friend who is am actual mechanic and knows alot more than me. I didnt figure out what it was, but it was something simple and easy I assume as he didn't charge me for any extra parts, he literally fixed the car then left for like a week and a half so maybe I'll find out what it was when he returns. But pads and rotors were done on both sides
 
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