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Old 08-29-2011, 08:15 PM   #513
JusticePete
 
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Drives: Camaro Justice
Join Date: Jun 2007
Location: Virginia
Posts: 20,170
Quote:
Originally Posted by Freeman View Post
Pete

I have had mind to the two dealers, they tell me GM said it is normal and don't touch it.
What do you do in a case like this,I don't have the equipment to perform the procedure you listed above in you thread.
I can see rubber marks on the frame where the strut is moving up and down, which I think is where the noise is coming from.
Was this procedure you mentioned put out by GM in a TSB forum or just a fix by your suspension company.

Thanks
Subject:Front Suspension Thump or "Loose Lumber" Noise

Models:2010-2011 Chevrolet Camaro

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern

Some customers may comment about suspension noise coming from the front of the vehicle when driving at low/moderate speeds (16-40 km/h [10-25 mph]) over rough roadway surfaces (cracks, lightly broken surfaces). The sound has been described as a rattle, knocking, clunking or "loose lumber" noise. This sound should be of a relatively low volume and behave as a brief rumble or thud following impacts with rough roadways. The sound is non-metallic in nature and has a dull wooden character.
The "loose lumber" sound exists as a result of the basic component configuration and tuning that effect the ride, handling and steering of the vehicle.

Recommendation/Instructions

When a customer brings in a vehicle with front suspension noise, upon confirmation of the sound via a test drive, a brief inspection of the front suspension should be conducted (fastener torques, bushing/ball joint health). If no issues are found, the technician should confirm that the sound is/is not typical for the Camaro. (If needed, drive another Camaro and note the sound quality over small impacts.) If the sound is common in character with that of other Camaros, the customer should be informed that the vehicle is operating as intended and that the "loose lumber" sound is a normal suspension sound.

Warranty Information

If the noise is found to be a normal condition, please submit labor operation E9995 (Customer Concern Not Duplicated -- Tires, Wheels, Suspension and Steering); otherwise, utilize the labor operation for the repaired or replaced component.

GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.

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Print this and the prior post. Take it to your Chevy Dealer. I am confident they will make an effort to support you. If they don't, tell them to call me 248.522.8021 You may be better served calling these numbers.

Chevrolet Customer Assistance Center: 1-800-222-1020
GM Executive Center Detroit: 313-667-7153

Finally, the rubber tracks are normal. The strut retaining plate (the metal plate with the rubber ring) is there to hold the strut in place when lifted for service or airborne while driving When you turn the front wheelss the plate articulates and make light contact with the top of the inner fender well. That eliminates one source of possible noise

Hit the print button. Visit your dealer and let us know how things go
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