Grinding noise when backing up and turning

[Bee]

Originally Posted by khn

Wow me too! ('10 2SS M6)

Sound seems to be coming from passenger side front. Happens after a wheel revolution or two.

Seems to happen when:
- reversing
- clutch pedal pressed down all the way
- wheel turned to right

I think it might have happend once when going straight, but seems more often when turning wheel to the right.

It also seems to only happen when the car free-rolls down a hill.

When you slightly slip the clutch, the grinding seems to disappear.

Hmm, I'll take to a parking garage sometimes and see when else it happens. (Like, turn wheel to left? on level ground? going forward? How long does it last? Dunno... didn't want to find out!)

I couldn't have described it any better myself. Mine only does this every once in awhile when backing out of the garage (downhill) and turning the wheel very slightly to the right. The first time it happened I almost thought I didn't have the shifter all the way in reverse...but the clutch was all the way to the floor so it was only rolling at that point.

Of course, I did mention it to my dealer when I took my car in for the HVAC update but they were unable to reproduce the issue. I wasn't expecting it to be fixed, but I did want to have it documented incase anything does break.

[sexystreetmachine]

Could it be something with the suspension? I noticed a squeak coming from my front left everytime I hit a speed bump... I get the exact sounds SS mike describes..mine does it on my yard when I'm slighty turning my wheels to back up after a wash so I don't think it's a pavement issue.... Could there be a link between the noise and the shocks?

[Dameon]

Just took mine in today for the same issue. I was told that GM is working on a recalibration of the ABS system and I would be contacted to bring it back in. I'll post when i get the call and have it done.

[LSP2010]

MINE DOES THIS TO took it to the dealership and they r clueless

[LSP2010]

Originally Posted by redman

Update: My ride has been to the dealer on two occasions to have the rear grease changed. The car still makes the groaning noise on occasion and it's always when turning. Has anyone had their car fixed yet?

this ppl at the chevy shop dont know wat it is

[Jeanius]

damnit all these people and noone has been able to find the culprit! This SUCKS

Funny thing is I had lowering springs installed about a month and a half ago. Well before I did I took the car to the dealer for them to check this out so it documented before the install of the lowering springs, Dealer was not able to reproduce it, went on a test drive and I was unable to reproduce it, and the guy checked out the whole front suspension and everything was in order.

After the install it hadnt happened in a long time. Well I ended up getting some 21" wheels 2 weeks ago, Factory upgrade options and I was having issues with the TPMS sensors staying paired.

So WED I go to the dealer, pull into a space, go talk to a service advisor, they advise me to bring it back tomorrow since it was later in the day, No prob... so I go back out to my car, get in, put it in reverse, start to back out and what happens...

Its almost like a popping sound, and you can feel it in the pedals, and it grinds while you continue to back, then its just gone. And funny thing is when the "pop" happens, a couple guys turned their head and looked

I hate this crap!

[ducq]

I too have had a grinding noise while going in reverse down a driveway and I know for sure it's not scraping. Last night I got the grinding noise while slowly going backwards but I was in neutral this time which leads me to believe it really is the brakes and not the reverse gear/clutch! I also recently have been getting a high pitch squeeling while moving very slowly in reverse but not even touching the brakes. If I go different speeds in reverse the tone of the squeal changes but if I really speed up to 2-4 mph it stops. :(

edit: the grind noise sounds like an aluminum pan dragging under my car for 2 seconds, it's happened maybe every 3 days or so

[Rhetor]

Originally Posted by ducq

edit: the grind noise sounds like an aluminum pan dragging under my car for 2 seconds, it's happened maybe every 3 days or so

That describes it perfectly . . . literally got under the car the first time to see if I was dragging some trash . . .

My service manager says it is just the tires moving on asphalt . . . what? And says all Camaros have that problem . . . just could not show me the bulletin . . .

if my car could just sprout wings and fly . . . well then . . . no noise! I am going to see if I can reproduce the sound on grass! [Not the California variety.]

[trustno1]

Ok, I've noticed this problem for some time now as well. For me it's when I back in to my space when I get home , I have too, or the front touches :( . I pull up, wheels turned left, put it in reverse and maybe 1 to 2 sec after I ease off the clutch and I can hear and feel the popping. The first time I was like "what the hell was that" at the same time as my GF in the passenger seat said. Now it happens less if I wait a few sec after putting it in rev, and try to back up as straight as possible. The more I feel it I tend to think it is something with the ABS.

[Russell James]

I've heard it once on my car when backing up with the wheels turned.

My guesses would be - either the tire scuffing across the concrete, or something rubbing on the front rotor. If nothing in the caliper area is real close to the rotor, most likely just the tire scuffing across the ground.

[MartiMcFly]

Possibly not fully in reverse? Gears grind just enough to edge it the final bit into reverse? I have heard it to and I do believe that is the issue.... I just don't want to recreate it :-D

[2ss-booya]

I have the same problem as well...BUT I also noticed that I don't have to be in reverse gear for this to happen...

I tried backing down a driveway in neutral and it made the same sound.

All that is needed to make the grinding sound is to be moving backward (down a driveway) and have the wheels turned to the right halfway or so.....anyone else confirm this?

[Skoulikimou]

i have the same problem with the grinding noise coming from the front wheel during turning i even could feel the brake pedal shacking , i took my car to the dealer twice and still they couldn't find out what is the defect ?!!

[ducq]

Originally Posted by 2ss-booya

I have the same problem as well...BUT I also noticed that I don't have to be in reverse gear for this to happen...

I tried backing down a driveway in neutral and it made the same sound.

All that is needed to make the grinding sound is to be moving backward (down a driveway) and have the wheels turned to the right halfway or so.....anyone else confirm this?

yup I said it just a few posts up. While in neutral, as I release the break and let it slowly roll backwards a second or two later the grinding noise can be heard. I think it happens mostly when going down some sort of slope or weight distribution is changed while going down a driveway or something. I know for sure it's not scraping on anything, my driveway is a long smooth one that even a friend with a body kit almost touching the ground never scrapes on it. I've tried to take it to the dealer but they coudlnt find anything wrong or whatever unable to remake the sound.