anyone hear this? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

EAkrish · 09-04-2009, 10:47 AM

When in reverse sometimes I hear this grinding sound when I apply the brakes. Not all the time, only at random times. Anyone else? Also when going from a dead stop a pulsating sound when going forward.....

PQ · 09-04-2009, 10:49 AM

Quote:

Originally Posted by EAkrish

When in reverse sometimes I hear this grinding sound when I apply the brakes. Not all the time, only at random times. Anyone else? Also when going from a dead stop a pulsating sound when going forward.....

Sometimes, overnight rust can cause this when backing out of the driveway. I hear it in the morning but usually not the rest of the day.

EAkrish · 09-04-2009, 10:50 AM

the sound both times is coming from the middle of the car

PQ · 09-04-2009, 10:58 AM

Quote:

Originally Posted by EAkrish

the sound both times is coming from the middle of the car

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Is it loud. Soul=nd like you could even hear it if you were outside the car?

EAkrish · 09-04-2009, 11:24 AM

not sure, its sounds like when i break im scraping the ground

PQ · 09-04-2009, 11:27 AM

Quote:

Originally Posted by EAkrish

not sure, its sounds like when i break im scraping the ground

I know that on my Jeep, I had worn my pads down to the metal (I know) but the rotors got mared up and the sound sounded like it was coming from underneath. Now obviously your pads and rotors aren't worn but could still be in the system.

But sounds to me like you better get under there and see if you have any visible thing going on and I'd get it to the dealer. That's not normal.

Crowley · 09-04-2009, 11:31 AM

Quote:

Originally Posted by irpq11

Sometimes, overnight rust can cause this when backing out of the driveway. I hear it in the morning but usually not the rest of the day.

Rockytophummer · 09-04-2009, 11:33 AM

Quote:

Originally Posted by irpq11

I know that on my Jeep, I had worn my pads down to the metal (I know) but the rotors got mared up and the sound sounded like it was coming from underneath. Now obviously your pads and rotors aren't worn but could still be in the system.

But sounds to me like you better get under there and see if you have any visible thing going on and I'd get it to the dealer. That's not normal.

I had bought a 96 blazer and at bought a 1000 miles I started hearing this ungodly grinding/scraping sound coming from bottom of my blazer I got out to inspect and my back right brake had seized enough to wear the breaks all way to the metal and that might be a possibility luckily since it was just one they fixed it under warrintie stating that not normal wear & tear. Good luck if you find out exactly post so others know what to look for!

PQ · 09-04-2009, 11:41 AM

Quote:

Originally Posted by Rockytophummer

I had bought a 96 blazer and at bought a 1000 miles I started hearing this ungodly grinding/scraping sound coming from bottom of my blazer I got out to inspect and my back right brake had seized enough to wear the breaks all way to the metal and that might be a possibility luckily since it was just one they fixed it under warrintie stating that not normal wear & tear. Good luck if you find out exactly post so others know what to look for!

Ya, either way, I'd damn sure be visibly looking under the car AND taking it to the dealer.

EAkrish · 09-04-2009, 12:10 PM

well i was just underneath it about 2 hours ago (tightening MBRP Pipes) and there is no problems that I can see.

Zeus95 · 09-04-2009, 12:53 PM

I have heard this a few times backing out of the garage in the monring. I was assuming it was rust on the rotors as well. That is the only time I hear it. Let me know if you find out anything from the dealer.

Robert91RS · 09-04-2009, 01:24 PM

It is most likely your rear brakes. They can take a long time to seat properly and will often times make a scrubbing noise when new. This is more common on performance brakes such as yours. Alternatively, I have had the exact same symptoms from a worn out u-joint. However it was on my parents 2001 Suburban after they had clocked 75k+ miles. One of the bearing caps had run dry and was rusted inside. Very unlikely on a new car but still a possibility.

RamAir02 · 09-04-2009, 01:25 PM

I hear it often too. The scenario is usually backing out of an inclined driveway. If I gas it a lil bit and then hit the brakes (so I'm rolling in reverse) I hear that "scraping" sound. I have no idea what it is.

EAkrish · 09-04-2009, 10:18 PM

these all sound like the same instance......

09-04-2009, 10:47 AM	#1
EAkrish Scout Sniping Drives: 2010 Ford F150 Lariat SuperCrew Join Date: Mar 2009 Location: Tampa, FL Posts: 762	anyone hear this? When in reverse sometimes I hear this grinding sound when I apply the brakes. Not all the time, only at random times. Anyone else? Also when going from a dead stop a pulsating sound when going forward..... __________________ Eric Previous Car:1SS/CGM 6MT w/ Sunroof & FACTORY BLUETOOTH!!!: New Era OTR, Steeda Short Shifter, Ported TB, Stg 2 ported intake manifold, Fasterproms, Poor man down pipes, MBRP 3" Exhaust!!! Now I drive a F150 Supercrew

09-04-2009, 10:50 AM	#3
EAkrish Scout Sniping Drives: 2010 Ford F150 Lariat SuperCrew Join Date: Mar 2009 Location: Tampa, FL Posts: 762	the sound both times is coming from the middle of the car __________________ Eric Previous Car:1SS/CGM 6MT w/ Sunroof & FACTORY BLUETOOTH!!!: New Era OTR, Steeda Short Shifter, Ported TB, Stg 2 ported intake manifold, Fasterproms, Poor man down pipes, MBRP 3" Exhaust!!! Now I drive a F150 Supercrew

09-04-2009, 11:24 AM	#5
EAkrish Scout Sniping Drives: 2010 Ford F150 Lariat SuperCrew Join Date: Mar 2009 Location: Tampa, FL Posts: 762	not sure, its sounds like when i break im scraping the ground __________________ Eric Previous Car:1SS/CGM 6MT w/ Sunroof & FACTORY BLUETOOTH!!!: New Era OTR, Steeda Short Shifter, Ported TB, Stg 2 ported intake manifold, Fasterproms, Poor man down pipes, MBRP 3" Exhaust!!! Now I drive a F150 Supercrew

09-04-2009, 12:10 PM	#10
EAkrish Scout Sniping Drives: 2010 Ford F150 Lariat SuperCrew Join Date: Mar 2009 Location: Tampa, FL Posts: 762	well i was just underneath it about 2 hours ago (tightening MBRP Pipes) and there is no problems that I can see. __________________ Eric Previous Car:1SS/CGM 6MT w/ Sunroof & FACTORY BLUETOOTH!!!: New Era OTR, Steeda Short Shifter, Ported TB, Stg 2 ported intake manifold, Fasterproms, Poor man down pipes, MBRP 3" Exhaust!!! Now I drive a F150 Supercrew

09-04-2009, 12:53 PM	#11
Zeus95 Drives: IOM 2010 - 2SS/RS Join Date: Nov 2008 Location: Oak Forest - ILL Posts: 1,124 View My Garage	I have heard this a few times backing out of the garage in the monring. I was assuming it was rust on the rotors as well. That is the only time I hear it. Let me know if you find out anything from the dealer. __________________ 2010 2SS/RS IOM Upgrades: Fastlane CAI / SLP II Loudmouth axle back / V Max Ported TB / Kook's Step Long Tube Headers / High flow cats / Straightline Tune / BMR front & rear sway bars / Hotchkin End Links / Hurst Short Throw. LG ZR28 Wheels 1 of 2 sets made. Pfadt trailing arms / Diff Bushings & Sub Frame bushings / 1LE Axle & Hubs.

09-04-2009, 01:24 PM	#12
Robert91RS Drives: Everywhere Join Date: Jun 2008 Location: TX Posts: 852	It is most likely your rear brakes. They can take a long time to seat properly and will often times make a scrubbing noise when new. This is more common on performance brakes such as yours. Alternatively, I have had the exact same symptoms from a worn out u-joint. However it was on my parents 2001 Suburban after they had clocked 75k+ miles. One of the bearing caps had run dry and was rusted inside. Very unlikely on a new car but still a possibility.

09-04-2009, 01:25 PM	#13
RamAir02 Shadow Gray '19 ZLE M6 Drives: '19 ZL1 1LE M6 Join Date: Apr 2009 Location: NJ Posts: 1,442 View My Garage	I hear it often too. The scenario is usually backing out of an inclined driveway. If I gas it a lil bit and then hit the brakes (so I'm rolling in reverse) I hear that "scraping" sound. I have no idea what it is. __________________ 2019 ZL1 1LE \| M6 \| SGM \| PDR \| CF Dash \| Nav \| Wheel Locks PPF \| Paint Correction \| ZL1 Addons Rock Guards \| ZL1 Addons Lift Pads \| ZL1 Addons Feather Lite Tow Hook \| JWM Smoked Sidemarkers \| Wildhammer Smoked Rear Reflectors \| JWM License Plate LEDs \| RotoFab CAI \| ADM IC Reservoir v2 \| BC Forged RZ05 \| SPL Toe Arms \| BW Brake Deflectors \| CMS Roll Bar \| Schroth Profi II ASM Harnesses . Sold: '99 Trans Am (bolt-ons & cam) \| '00 WS6 (bolt-ons, heads, cam, 12 bolt) \| '05 CTS-V (bolt-ons, short throw) \| '10 SS/RS M6 (short throw, CAI, coilovers, LTs, catback, JRE tune) \| '01 WS6 YouTube

09-04-2009, 10:18 PM	#14
EAkrish Scout Sniping Drives: 2010 Ford F150 Lariat SuperCrew Join Date: Mar 2009 Location: Tampa, FL Posts: 762	these all sound like the same instance...... __________________ Eric Previous Car:1SS/CGM 6MT w/ Sunroof & FACTORY BLUETOOTH!!!: New Era OTR, Steeda Short Shifter, Ported TB, Stg 2 ported intake manifold, Fasterproms, Poor man down pipes, MBRP 3" Exhaust!!! Now I drive a F150 Supercrew

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