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12-20-2020, 08:39 PM | #1 |
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Join Date: Sep 2020
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grinding noise after wheels were changed
06 impreza wrx. , turbo , downpipe , 80k miles :
so at low speeds and turning i hear a bad grinding sound coming from what im 99% sure is my wheels as it just started happening when i put my winter steel rims on. I havd a feeling its a easy fix , i took the rear wheels off ( sounds like where the problem is) and tired spinning them and felt a little tough to spin. any input greatly appreciated
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Last edited by Baru-barage469; 12-20-2020 at 08:47 PM. Reason: didnt include enough info |
12-20-2020, 09:39 PM | #2 |
Scooby Specialist
Member#: 395793
Join Date: Jul 2014
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Tri-State
Location: SLC and Lake Placid
Vehicle:2005 92x Aero Beige |
Pull the calipers off and makes sure you don't have debris stuck between the rotors and pads. If not then what did you use to tighten the lug nuts and to what torque are they tightened? Over tightening the lug nuts can cause premature bearing wear.
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12-21-2020, 09:49 AM | #3 |
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Location: philadelphia
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12-21-2020, 07:55 PM | #4 |
Scooby Specialist
Member#: 395793
Join Date: Jul 2014
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Tri-State
Location: SLC and Lake Placid
Vehicle:2005 92x Aero Beige |
What I was taught by my grandfather who was a mechanic for nearly 45 years. I'm not referring to setting your torque wrench 5-10lb/ft higher than recommended. But a lot of people just slap them on with an impact and call it a day. I should have been more specific and said over tightened and unevenly tightened. |
12-21-2020, 08:40 PM | #5 |
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well ya i set all the lugs finger tight so they were all even then used an impact gun in a criss cross pattern for about a second each time i pulled the trigger till the lugs didnt move any more (2x) for all the 5 lugs which never gave me any probldms before with my summer tires so i doubt thats the problem. could my offset somehow have something to do with it, the winter rims fit on fine.
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12-22-2020, 06:21 AM | #6 |
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If its that bad it should be pretty easy to see metal to metal contact. Pull the wheels off and look on inside of rim and throughout wheel well. Using a light might make it easier to spot fresh metal being nice and shiny. And yes your offset can cause issues.
Also, I have put thousands of tires on in my life/career and used just an impact (after starting lug nuts by hand). I'm not saying there's not a torque rating and using an impact is the 100% correct way to do. I'm saying I have done it (just like you did) and never had an issue. Last edited by Zak6182; 12-22-2020 at 06:27 AM. |
12-22-2020, 12:35 PM | #7 | |
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Vehicle:97 Impreza OBS Red to be white |
Quote:
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12-22-2020, 05:25 PM | #8 | |
Scooby Specialist
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Quote:
Maybe. I haven't seen anything contradictory to what I've learned. My take on it is manufacturers provide a torque spec for a reason. I agree there's room to spare on their rating most of the time but pressure is pressure. The more you apply, the more something will change its shape no matter how slightly. With bearings, it's not going to destroy them quickly but if a bearing usually lasts for X amount of miles at 77lb/ft then it's safe to conclude it will last Y miles at 100lb/ft and so on. What's really going to make the difference if unequal tightening. Using nothing to measure the pressure, one doesn't know if a lug is tightened to 60, 100 or 150lb/ft. And if one is substantially tighter than another it will change shape. Hence why wheels wobble when tightened unevenly. I'd guess that this would increase wear over equally over tightening all the lugs. Since the OP has been using an impact to tighten things and really doesn't have a way of measuring torque then it could wear the bearings out faster. Especially since each lug will be tightened to a different spec. Though I'd still say it's more likely debris in the rotor. Possibly stuck in the parking brake. |
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01-15-2021, 01:58 AM | #9 |
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so my car is still making a bad grinding sound at low speeds. the noise also gets alot worse when i turn left or right aswell. i have checked for debris and metal contact on all rims and nothing as i did a tire rotation and alignment just recently, so anything anyone has would help alot as this is an annoying noise that needs to cease
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01-15-2021, 07:15 AM | #10 |
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It could be bearings/differential roasting. It would be more coincidental if it started when you replaced your wheels unless the wears were extremely uneven.
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02-27-2021, 09:39 PM | #11 |
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If it is getting louder while turning left or right I would guess it is a rock or debris stuck between your caliper and rotor or rotor and dust shield. This is a strange but common occurrence on Subaru's for some reason. I've had it happen on every single one I've owned.
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02-28-2021, 11:32 AM | #12 |
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Make sure the backing plate isn't bent and contacting the rotor. Also, these backing plates tend to rust, expand and contact the rotor near the parking brake shoes. The best thing to do is remove the rotor and look for contact markings.
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03-05-2021, 12:29 AM | #13 | |
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Location: WA
Vehicle:2015 WRX |
Quote:
A long time ago I did a tire swap in the dark and totally failed to account for all hub centric rings on the wheels I removed. I tighten the new wheel on and smashed the old ring... That gave some interesting noises the next day. Lesson learned. |
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