Noise in the front, look here....might have something for you, +fill strutplate gap! - Page 15 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

blackswan · 11-14-2012, 09:06 PM

Tried the Toilet de Mod today, no change in noise. My guess is we have different root causes.

My dealer said they are done as GM doesn't want to swap more parts. They tried and likely will always wonder what the noise is, or just write me off as too picky. Oh we'll, seems like the quest for a quiet front end will continue. Just have to decide if that will be via suspension mods or new car fever in the spring.

blackswan · 11-19-2012, 11:20 AM

BTW: Didn't reduce the clunks at all but did completely fill up the gap when wheels turned stop-to-stop, and then some. So, I'd suggest NOT keeping this modification in place. If this modification is reducing noise then find the root cause. The rubber used in the toilet seal is too firm for this use. Perhaps you could cut it in half across the plane and reduce thickness by half, which is about what I measure it would take. But taking up that space does not seem like a good idea.

ssmike · 11-19-2012, 03:51 PM

I installed Pedders xa coilovers last winter and I installed the toilet mod just to fill the gap! It looks great! I didn't have any noise, just wanted to fill the gap! Nice find OP!

Pro Stock John · 11-20-2012, 11:11 AM

Just noticed this thread. Is this pertaining to that mysterious dull ratting sound I get in the front end, that I've had since I got the car used with 6K on it?

So there is a simple lock nut there, that's it? Looks like something to try. If it doesn't work I can try looking at other stuff.

blackswan · 10-14-2016, 08:09 AM

Four years later, just wondering if the toilet mod is still in place

Camarowguy · 10-14-2016, 08:25 AM

Quote:

Originally Posted by blackswan

Four years later, just wondering if the toilet mod is still in place

I'm gonna have to say yea. I traded the car in back in 2013 but I left the stuff in there. We sold the car here at my dealership and I haven't seen it come back so I'd say it was still keeping the rattling at bay.

Camarowguy · 10-14-2016, 03:22 PM

Quote:

Originally Posted by blackswan

BTW: Didn't reduce the clunks at all but did completely fill up the gap when wheels turned stop-to-stop, and then some. So, I'd suggest NOT keeping this modification in place. If this modification is reducing noise then find the root cause. The rubber used in the toilet seal is too firm for this use. Perhaps you could cut it in half across the plane and reduce thickness by half, which is about what I measure it would take. But taking up that space does not seem like a good idea.

Unfortunately I have to disagree. I had mine on as long as I owned the car and had no negative effects. It didn't mess with the turned of the car or anything. From what I remember it didn't completely eliminate the noise but it did make it to where you don't notice it unless your looking for it.

blackswan · 10-15-2016, 09:53 AM

Totally cool to disagree and I appreciate it! Purely my opinion based on what I experienced with trying it. The strut top mount would contact the rubber about 90 degrees before full left or right of steering. That last 90 degrees would compress the rubber against the strut tower and I could see movement of the front end that didn't happen w/o "The Toilet Mod"

. My assumption was that this is a bad thing. However, in hindsight, you don't turn that far often - perhaps hardly ever - at least I don't. If it reduced this annoying hollow 'lumber sound' then I'm all for it. Agreed it looked a LOT better too.

blackswan · 10-15-2016, 09:57 AM

Oh, and I'd really like to understand more about this noise and why this mod reduces it. Last I remember, it was 3 years ago I think, I removed the sway bar end links and drove around with bar tied up. Noise was GONE. Completely! So, I always assumed it was the movement of the bar over bumps, resonance of the sway bar end link (like a really thick piano wire) or some other resonance in the strut tower. Perhaps the strut tower itself caused a megaphone like resonance from the action of the strut top mount moving. Thing is I can't imagine there's much movement of the strut against the tower vertically (i.e., the strut coming down away from the tower and slapping back up against it. This car is tightly sprung and very heavy.). It could just be the transmission of sound up through the spring and resonating the strut tower, or the spring itself. Been living with it since 2011 LOL

11-20-2012, 11:11 AM	#200
Pro Stock John Writer Drives: 2010 SS / 1967 Camaro Join Date: May 2009 Location: Chicago, IL Posts: 7,216	Just noticed this thread. Is this pertaining to that mysterious dull ratting sound I get in the front end, that I've had since I got the car used with 6K on it? So there is a simple lock nut there, that's it? Looks like something to try. If it doesn't work I can try looking at other stuff. __________________ PROJECT HEAVY CHEVY Camaro Now: Mods for the Masses Part I \| Part II 13.15@106 1.95 \| 100% Stock 12.37@112 1.85 \| + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune 12.06@113 1.70 \| + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune 11.84@115 1.59 \| + 3.91s + Race Star 17x7 Fronts 10.90@125 1.47 \| + GPI VVT Cam + BW Ported Heads + CD 3800

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11-14-2012, 09:06 PM	#197
blackswan Drives: 2012 2LT/RS Join Date: Oct 2011 Location: Northeast Posts: 1,443	Tried the Toilet de Mod today, no change in noise. My guess is we have different root causes. My dealer said they are done as GM doesn't want to swap more parts. They tried and likely will always wonder what the noise is, or just write me off as too picky. Oh we'll, seems like the quest for a quiet front end will continue. Just have to decide if that will be via suspension mods or new car fever in the spring.

11-19-2012, 11:20 AM	#198
blackswan Drives: 2012 2LT/RS Join Date: Oct 2011 Location: Northeast Posts: 1,443	BTW: Didn't reduce the clunks at all but did completely fill up the gap when wheels turned stop-to-stop, and then some. So, I'd suggest NOT keeping this modification in place. If this modification is reducing noise then find the root cause. The rubber used in the toilet seal is too firm for this use. Perhaps you could cut it in half across the plane and reduce thickness by half, which is about what I measure it would take. But taking up that space does not seem like a good idea.

11-19-2012, 03:51 PM	#199
ssmike BL1ZZRD Drives: '16 Camaro 2SS, '20 Equinox Redline Join Date: Jul 2009 Location: Buffalo, NY Posts: 7,840	I installed Pedders xa coilovers last winter and I installed the toilet mod just to fill the gap! It looks great! I didn't have any noise, just wanted to fill the gap! Nice find OP!

10-14-2016, 08:09 AM	#201
blackswan Drives: 2012 2LT/RS Join Date: Oct 2011 Location: Northeast Posts: 1,443	Four years later, just wondering if the toilet mod is still in place

10-15-2016, 09:53 AM	#204
blackswan Drives: 2012 2LT/RS Join Date: Oct 2011 Location: Northeast Posts: 1,443	Totally cool to disagree and I appreciate it! Purely my opinion based on what I experienced with trying it. The strut top mount would contact the rubber about 90 degrees before full left or right of steering. That last 90 degrees would compress the rubber against the strut tower and I could see movement of the front end that didn't happen w/o "The Toilet Mod" . My assumption was that this is a bad thing. However, in hindsight, you don't turn that far often - perhaps hardly ever - at least I don't. If it reduced this annoying hollow 'lumber sound' then I'm all for it. Agreed it looked a LOT better too.

10-15-2016, 09:57 AM	#205
blackswan Drives: 2012 2LT/RS Join Date: Oct 2011 Location: Northeast Posts: 1,443	Oh, and I'd really like to understand more about this noise and why this mod reduces it. Last I remember, it was 3 years ago I think, I removed the sway bar end links and drove around with bar tied up. Noise was GONE. Completely! So, I always assumed it was the movement of the bar over bumps, resonance of the sway bar end link (like a really thick piano wire) or some other resonance in the strut tower. Perhaps the strut tower itself caused a megaphone like resonance from the action of the strut top mount moving. Thing is I can't imagine there's much movement of the strut against the tower vertically (i.e., the strut coming down away from the tower and slapping back up against it. This car is tightly sprung and very heavy.). It could just be the transmission of sound up through the spring and resonating the strut tower, or the spring itself. Been living with it since 2011 LOL