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Old 05-20-2020, 09:15 PM   #57
ZMEnow

 
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Originally Posted by Astatenate View Post
I have paperwork from dealership where the entire SC was replaced. Just 5k miles ago. I was under the impression that the isolator in the new SC would be a solid one. And that the 14-15í models were already equipped with a solid isolator. But I def heard the notorious marble sound last night with hood popped when Tíing in for my boost lines with car running. So I went ahead and ordered a solid isolator.

You can quickly check, just take a 1/4 inch socket and put in in the 1/4 hole on the tensioner and pull it back just enough to slacken the serp belt. rotate the upper pulley back and forth with your other hand, if it rocks back and forth its not a solid.
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Old 05-20-2020, 09:43 PM   #58
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Supercharger is good for 10 years 100k, doesnt matter how many times replaced, but you could have an issue if its modded.
I have a local service advisor friend and Chevy tech friend who would be doing the work. I had a 3 month / 3,000 mile warranty from the dealer I bought the car. I had already done headers, intake and corsa with a tune. And fuel pump was “beginning to fail” my tuner said. And Was still covered. So that’s not an issue. I just thought the SC warranty after replaced once. Was over. Or 100k mile warranty Was only for the original owner. If I could get them to cover the SC replacement, my tech friend could replace with a new SC and install the solid isolator at that time. If so.
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Old 05-20-2020, 09:44 PM   #59
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You can quickly check, just take a 1/4 inch socket and put in in the 1/4 hole on the tensioner and pull it back just enough to slacken the serp belt. rotate the upper pulley back and forth with your other hand, if it rocks back and forth its not a solid.
Okay I’ll do that now!

Update: just had my girlfriend hold the 1/2 wrench. I could rotate it like normal. No noise. I tried pulling back and forth. Towards the front bumper and push back towards engine. No play at all. I just ordered a solid isolator. But it appears I already have one. So I wonder where the noise is coming from.. :(

I also revved motor to about 1500-2000 rpm and girlfriend said the noise didn’t go away nor did it get louder. I’ll be calling my tech & service advisor friend in the morning.

Last edited by Astatenate; 05-20-2020 at 11:11 PM.
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Old 05-20-2020, 11:19 PM   #60
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Okay Iíll do that now!

Update: just had my girlfriend hold the 1/2 wrench. I could rotate it like normal. No noise. I tried pulling back and forth. Towards the front bumper and push back towards engine. No play at all. I just ordered a solid isolator. But it appears I already have one. So I wonder where the noise is coming from.. :(

I also revved motor to about 1500-2000 rpm and girlfriend said the noise didnít go away nor did it get louder. Iíll be calling my tech & service advisor friend in the morning.
You are checking the play on the rotation, not front to back, but side to side. It should not rock side to side if itís solid as it will with the spring.
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Old 05-20-2020, 11:23 PM   #61
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Originally Posted by Astatenate View Post
I have a local service advisor friend and Chevy tech friend who would be doing the work. I had a 3 month / 3,000 mile warranty from the dealer I bought the car. I had already done headers, intake and corsa with a tune. And fuel pump was ďbeginning to failĒ my tuner said. And Was still covered. So thatís not an issue. I just thought the SC warranty after replaced once. Was over. Or 100k mile warranty Was only for the original owner. If I could get them to cover the SC replacement, my tech friend could replace with a new SC and install the solid isolator at that time. If so.

Here ya go..
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File Type: pdf Supercharger Coverage(1).pdf (171.6 KB, 22 views)
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Old 05-21-2020, 12:18 AM   #62
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Cool car. Congrats! Iím pretty happy with Snow stage 3 meth injection kit. Install wasnít bad.
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Old 05-21-2020, 08:21 AM   #63
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You are checking the play on the rotation, not front to back, but side to side. It should not rock side to side if itís solid as it will with the spring.
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Here ya go..
Yeah it spins back and forth (Left to right) and I can hear a noise when I do it. So guess I do NOT have a solid isolator. Thanks for the link man!

So now my question is. Get it replaced under warranty with another new SC? And have my tech friend install the solid isolator I just ordered on the new SC? Or just let them install a new SC on it. And (maybe) have the issue again later? Is there any down side to a solid isolator?
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Old 05-21-2020, 08:55 AM   #64
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Yeah it spins back and forth (Left to right) and I can hear a noise when I do it. So guess I do NOT have a solid isolator. Thanks for the link man!

So now my question is. Get it replaced under warranty with another new SC? And have my tech friend install the solid isolator I just ordered on the new SC? Or just let them install a new SC on it. And (maybe) have the issue again later? Is there any down side to a solid isolator?


With 5000 miles on the replacement I question if it was really changed, of course I cant hear what you hearing to know. The real question is can you convince the dealer to change it again because they have to believe it has failed.

The bulletin I sent you describes the cautions of a solid vs. spring. I have 4 people I know that I see their cars often that have solids that are in new Eaton SC's replaced by GM when they were still doing new back in 2014. All M6's and none of us have ever heard the so mentioned flutter, although there are some on the forum that have stated they have experienced it.
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Old 05-21-2020, 09:13 AM   #65
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With 5000 miles on the replacement I question if it was really changed, of course I cant hear what you hearing to know. The real question is can you convince the dealer to change it again because they have to believe it has failed.

The bulletin I sent you describes the cautions of a solid vs. spring. I have 4 people I know that I see their cars often that have solids that are in new Eaton SC's replaced by GM when they were still doing new back in 2014. All M6's and none of us have ever heard the so mentioned flutter, although there are some on the forum that have stated they have experienced it.
I have paperwork showing it was changed. Of course that proves nothing. I canít see why it would fail with 5k miles on it. I can maybe upload a video to YouTube and post the link so you guys can give me your opinion? I just donít want something to go wrong with the SC and cause damage to something else internally. I ordered a solid isolator. And hope maybe I can get the SC covered and have him replace it when he replaced the entire SC.

Iíll read more on the bulletin. The good part is like I stated previously, I have a service advisor friend and heíll be sending it back to a tech who is a good friend. Who already heard the noise when we installed the AEM gauge.
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Old 05-23-2020, 02:08 PM   #66
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Update: Car is still under a warranty from the dealer I bought it from, it actually expires very soon and I caught it just in time. Took car to my local dealer w/ my advisor and tech friend. They diagnosed my SC isolator has failed (what I expected) , so they're attempting to replace the entire SC, my tech friend is also going to install a solid isolator on the brand new SC so this problem never comes up again! They're sending an inspector out Tuesday to approve/deny the claim.

Is there any drawbacks to a solid isolator? I know a lot of CTS-V and ZL1 owners have them. So I assume there's no drawbacks to having a solid installed? I was just curious why Eaton didn't install a solid to begin with. Anyways hopefully all goes smooth, replace SC with new one, solid isolator installed and no more issues! Then back to the fun modding, not the fixing mods. LOL
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Old 06-29-2020, 01:39 PM   #67
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Update: They denied the claim due to the car being "extremely modified beyond factory specs" HAHA!! Oh well! I got a solid isolator, I'll be installing on my next round of mods!

Which by the way, want to run some info past you guys!
So currently sitting at 560whp w/ intake, headers, catback, catch-can & GPI tuned!

I am planning on installing the following,

• Fueling - (FIC 127lb (1200cc) injectors, DSX aux pump , GM ZL1 flex fuel sensor)
• Pulley - (ATI full kit w/ 10.0" pulley ring, Gates 70" green belt, DSX idler relocation bracket,stock idler, & ARP crank bolt
• Cooling - AFCO w/ dual fan, dual pass HX
• NGK TR7IX plugs
• Reinforced IC Brick

I was looking into a LS3 90mm TB as well (is this something that is beneficial for my build list?

Also what is a safe power level for the LSA and 6L90 auto trans?

I am shooting for around 700 whp. With proper tune / TQ management should the car handle well/ be reliable with that power? I also plan on going GPI cam in future. Anything else I'm lacking?
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Old 06-29-2020, 02:15 PM   #68
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Also what is a safe power level for the LSA and 6L90 auto trans?


Two different things. I say 750-800 for the former and a bit more for the latter.

I am shooting for around 700 whp. With proper tune / TQ management should the car handle well/ be reliable with that power? I also plan on going GPI cam in future. Anything else I'm lacking?

Yes. And Wheels.
Posted within.
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Old 06-29-2020, 02:30 PM   #69
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Posted within.
I got Weld RT-S S71 paired with 305/45 ET STREET R's, I posted in a separate thread, here they are for this post as well.

But anyways, cool, I wasn't sure if the A6 would like 700-750whp. I knew the motor would handle it safely. Just wasn't sure on the trans. I researched quite a bit and saw most tuners noted if the TQ management was reasonable, the trans and other drivetrain parts would be just fine! As far as motor I figured she'd be just fine!

Do you suggest the LS3 90mm TB or waste of $$ with my other mods ? I've heard of 10-20WHP "dyno proven/tested" from just swapping out the TB's with supporting mods/tune and bit better throttle response.


Thanks for the input JB!
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Old 06-29-2020, 03:52 PM   #70
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Update: They denied the claim due to the car being "extremely modified beyond factory specs" HAHA!! Oh well! I got a solid isolator, I'll be installing on my next round of mods!

.
.
.

I was looking into a LS3 90mm TB as well (is this something that is beneficial for my build list?
Man, that stinks. I love that an intake and headers is "extremely modified." LOL.

Regarding the 90mm, you know my thoughts on that one. Roughly 7% greater cross-sectional area. And real world results at your desired power level:

https://www.camaro5.com/forums/showp...64&postcount=7

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