Vibe/Grind felt up through gas pedal when AC first turned on - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Hicompression · 08-09-2011, 06:24 PM

Recently it's been very hot in TX. When turning on the AC in the car after it has sat for 24 hours...I hear a thunk and a grinding type vibe is felt through the gas pedal (I can physically feel it). Anyone else experience this? Other than the physically felt grind, I can then turn the AC on and off without this issue....only happens after sitting for 24hrs. The AC works fine other than this.

Chevrolet Customer Svc · 08-10-2011, 04:27 PM

I would have to suggest getting it checked out by your dealer to see if they might be able to shed some light on this situation. I hope it's nothing serious and you can be in and back out on the road soon.

Jeff Morris, Chevrolet Customer Service

Hicompression · 08-11-2011, 10:11 AM

Quote:

Originally Posted by Chevrolet Customer Svc

I would have to suggest getting it checked out by your dealer to see if they might be able to shed some light on this situation. I hope it's nothing serious and you can be in and back out on the road soon.

Jeff Morris, Chevrolet Customer Service

I appreciate your input but...I'm not going to take it to the dealer unless I absolutely have to. The AC blows cold. I'm just wondering if anyone else gets the weird thunk and grind. It may have to do with the extreme heat we are getting in TX right now.

Nessal · 08-12-2011, 10:12 AM

Ummm, not sure if it's related. But I noticed that when I turn my AC on, you can feel the car take a dip. But that is normal...however I never get any feedback through the pedals.

Hicompression · 08-12-2011, 06:48 PM

Quote:

Originally Posted by Nessal

Ummm, not sure if it's related. But I noticed that when I turn my AC on, you can feel the car take a dip. But that is normal...however I never get any feedback through the pedals.

Yeah...it's weird...I don't know why I would feel it in the gas pedal.

Camilla · 08-19-2011, 08:47 AM

I too am having a vibration issue with the gas pedal. have not noticed if it happens when the AC is in use or not. I will check that today when i drive the car. I have a call into the dealer and hopefully can get this checked out. I have 3800 miles on my car.. didnt notice the vibration right away but its very much noticeable now. If i find out anything i will check back and let you know

08-09-2011, 06:24 PM	#1
Hicompression Rumbly Bumble Bee Drives: 2010 2SS Camaro Join Date: Aug 2009 Location: DFW Posts: 1,469	Vibe/Grind felt up through gas pedal when AC first turned on Recently it's been very hot in TX. When turning on the AC in the car after it has sat for 24 hours...I hear a thunk and a grinding type vibe is felt through the gas pedal (I can physically feel it). Anyone else experience this? Other than the physically felt grind, I can then turn the AC on and off without this issue....only happens after sitting for 24hrs. The AC works fine other than this. __________________ 2010 RALLY YELLOW 2SS 6M -OBX Longtubes FTW!

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08-10-2011, 04:27 PM	#2
Chevrolet Customer Svc Drives: GM Vehicles Join Date: Jun 2010 Location: Michigan Posts: 9,328	I would have to suggest getting it checked out by your dealer to see if they might be able to shed some light on this situation. I hope it's nothing serious and you can be in and back out on the road soon. Jeff Morris, Chevrolet Customer Service

08-12-2011, 10:12 AM	#4
Nessal Drives: Exige, Miata, Ghia Join Date: Jun 2011 Location: CA, Bay Area Posts: 2,309	Ummm, not sure if it's related. But I noticed that when I turn my AC on, you can feel the car take a dip. But that is normal...however I never get any feedback through the pedals.

08-19-2011, 08:47 AM	#6
Camilla Drives: 2011 V6 Camaro Join Date: Aug 2011 Location: Arkansas Posts: 1	I too am having a vibration issue with the gas pedal. have not noticed if it happens when the AC is in use or not. I will check that today when i drive the car. I have a call into the dealer and hopefully can get this checked out. I have 3800 miles on my car.. didnt notice the vibration right away but its very much noticeable now. If i find out anything i will check back and let you know