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Old 05-07-2013, 08:21 PM   #633
VIR Specialist

JusticePete's Avatar
Drives: Camaro Justice
Join Date: Jun 2007
Location: Virginia
Posts: 20,249
Originally Posted by mpiersd View Post
Add me and my 2LT/RS to the growing list. It's a 2010, picked it up 3 weeks ago and noticed the problem right away going over a speed bump after picking it up.
Had less than 2800 miles on it when I got it.
Description of the noise is nearly verbatim of what i read in this thread so far.
Originally Posted by HOCKY42 View Post
I have the 2010 Camaro too and took it back because of the knocking noise coming from the front end. The dealer in Las Vegas, NV replaced the Rack and Pinion. When I got it back I thought all was repaired but the service writer had a bulletin he printed of line about the knocking and no fix was possible at the moment. This was back in 2010 when I first got the Camaro brand new. It will still happen if I am not paying attention and I hit a bump to fast. Makes me cringe and hope I didn't break anything. Please add me to any list as well.
I have yet to lay my hands on a Camaro with a strut noise we were not able to resolve by following this procedure.

Originally Posted by JusticePete View Post
I do understand that some Camaros have a noise in the front end. There was a change in the upper insulator. The original was a flat rubber washer. The new improved part is a stamped steel and urethane part. Having written that, when we install Pedders coilovers we through those in the garbage. Yes we throw away both the flat old original rubber and new urethane and stamped steel upper insulator and have no one complain about the noise. We have replaced some flat rubbers to with the new improved part to isolate the cabin from an internal strut hydraulic flutter. The flutter noise is not a bang or clunk and it does not in any way impact the performance of the vehicle. The flutter was found in the early months of production and has been addressed. I don't consider either of these to be a defect or a real problem with a part. They are minor evolutionary changes that I would expect from a manufacturing company. Neither one would account for the types of noises being reported here.

With the exception of a handful of early production vehicles (upper insulator change out) the rest have been fixed on the spot with an impact gun and some grunt behind a couple of wrenches. If you can make the trip out here, I'll meet you at my Fredericksburg Pedders Dealer. We'll go over your front end and make your noise go away by making everything tight to my standards. I have posted a checklist for this. It just takes some time to work through. You can watch the process, take pictures and or video. It ain't a rocket science fix. I'll pay for the shop time. We just need to get you here to Heath's shop during the week.

NOTE: There are a large number of C6 members that have posted in this thread with noises AND aftermarket parts. Installing aftermarket parts requires the disassembly of the OE parts. Those with aftermarket parts should be in a separate thread or make it abundantly clear in their posts.

Camaro Front End Noise Correction

Inspection -- Determine if the upper spring insulator is black rubber or beige urethane.

Inspection -- If it is black rubber and partially displaced, replace it with the updated steel and urethane insulator.

Inspection -- Is there any damage to any of the front end components.

Inspection -- If available test drive with chassis ears in place to identify the source. If chassis ears are not available complete the 9 Steps listed here.

1. With the weight of the car on the wheels, remove the strut retaining nut and plate.
2. Burp the exposed strut assembly nut tight with the biggest baddest air gun in the shop. TQ is the key. We need a sudden acceleration of the nut to make it tight.
3. Reinstall the strut retaining plate and strut retaining nut. Tighten with the same over kill air gun for the same reasons.
4. Hit the strut clevis bolts with the same gun.
5. Hit the endlink nuts with the same monster gun. Don't do it by hand. Crank them down.
6. Get a wrench and all three ball joint nuts. Make them mechanic tight.
7. Crank down the radius arm nut and bolt to the same standard. Mechanic tight.
8. Get a socket on the sway bar strap nuts and make them mechanic tight.
9. Hit all four steering rack bolts and make them mechanic tight.

The 5th Gen Camaro is a ZETA II front end. We have seen issues with the G8 in the USA and the Commodore in AU. Chevrolet addressed those issues with large more robust ball joints and studs. Pontiac has addressed them with a TSB to replace the LCA and radius arms. There is NO issue with those components on the Camaro. Replacing the arms on G8s does not eliminate the noise because there were additional sources. Those sources are what appear to be tight to spec nuts on ball joints, endlinks, steering rack mounts, clevis bolts and strut mounting hardware. (The Camaro strut mount is different from the G8, but similar in that it has two nuts one below and one above the strut mount). Tightening the bolts is the key to resolving front end noises. What makes it tough for the DYI is lack of access to a high volume high pressure air supply to power a rattle gun.
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