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Old 01-21-2020, 07:04 PM   #15
Jfowler81
 
Drives: 2017 Camaro 1ss
Join Date: Mar 2019
Location: Lady Lake, Florida
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I made it 7500 with mine. I've only felt it 3 to 5 times so it's not bad. It goes in tomorrow for another flush and the new shifter. The dealership seems pretty confident that if it does it again they will replace. We will see.
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Old 01-21-2020, 07:14 PM   #16
OzzieSS
 
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Drives: 2016 Camaro SS
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Reading these positive experiences makes me feel better about my 2016's shuddering issue. I just bought my car with 25K miles. I noticed the shuddering as soon as I drove home from the dealership. They're supposed to completely flush mine in a couple days. The service manager is pretty confident they'll eliminate the problem.

*fingers crossed*
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Old 01-27-2020, 02:26 PM   #17
Magnum922
 
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I drove the Camaro first time yesterday since the flush. Did not shudder. It was spending alot more time in v8 mode. Only went to 4cyl mode when coasting. I guess it is from the relearn mode.
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Old 02-06-2020, 11:30 AM   #18
Jaystroh
 
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Hi, when you say the newest TSB are you referring to the 18-na-355. That is the most current one I could find
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Old 02-06-2020, 11:33 AM   #19
Jaystroh
 
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When did the new tsb go into effect? Month and year?
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Old 02-06-2020, 01:53 PM   #20
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Quote:
Originally Posted by Jaystroh View Post
When did the new tsb go into effect? Month and year?
Yes. 18-NA-355 is the most recent TSB. I believe it was released sometime mid-2019
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Old 02-06-2020, 02:39 PM   #21
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Thanks a lot! Did you have this done and have any feedback for me. Taking mine in on Monday. Fingers crossed. Love the car but this is ridiculous
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Old 09-07-2020, 12:20 PM   #22
Richiefcknrich
 
Drives: 2018 Chevrolet Camaro SS 2SS
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Quote:
Originally Posted by wavsine View Post
Don't want to be that guy but... it's shudder not shutter.


54,000 miles on my original factory fluid in my A8 and no shudder but I am taking it in to have the fluid replaced before my powertrain warranty expires.
So you never had flush or TC replaced? See mine don’t shudder but the rpm fluctuate a very small bit on the free way at 80-85 Mabye 50-75 rpm

Did yours ever do that?
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Old 09-07-2020, 04:19 PM   #23
Tazcatxena1!
 
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trans shudder

my car is in for the 4th time now and I only have 29000 on the car.
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Old 09-07-2020, 11:57 PM   #24
ItsChristianInHD

 
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I haven’t driven my car in 2 months. But last time I drove it, it’s been 10,000 miles and no shudder in V6 mode.
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Old 09-08-2020, 12:53 PM   #25
cellsafemode


 
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It's going to vary as for if the flush works or not.

1st, was the flush done with the blue label fluid or before 1st quarter 2019? because it will only count if it's blue label - which means at the earliest ...the 2nd quarter of 2019.

2nd, when did you get your flush(s) done? After you had significant shudder or right at the onset? If you wait too long, you will cause permanent damage to the torque convertor and no amount of fluid change is going to fix it.

How long is too long? Nobody really knows. If you only feel it in your gas pedal you're probably safe. If the car is shaking bad enough for passengers to notice, maybe not safe anymore.

You should really not drive the car once you start feeling the shudder (you feel tcc shudder when cruising at very low engine load at constant speed (usually in final gear)). The shudder can cause varnishing of the convertor and that's what causes perm damage. Get the fluid flush asap and you're good to go.

It really wont matter if it's in v4/v6/v8 mode. If the fluid isn't blue label and your driving habits lead to cool trans fluid a lot of the time, then it'll attract water that never evaporates out and you will eventually get tcc shudder. If v4 mode does anything, it just gives you aheads up that it's happening. I've had user selectable afm since mid 2016 and almost exclusively drive in sport mode (afm off) and still got it, with 36k miles and no trans coolers (so my fluid gets hot regularly) in relatively dry climate.

It's not a matter of if you get this.. just when since we all got the same fluid and the fluid was flawed.
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Old 09-08-2020, 02:28 PM   #26
ctrlz


 
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Quote:
Originally Posted by cellsafemode View Post
It's not a matter of if you get this.. just when since we all got the same fluid and the fluid was flawed.
I think this is one of those situations where GM doesn't want to call the shudder a safety issue and turn it into a recall. So TSB instead, and hope people live with it until they are out of warranty.

Cellsafe is right. This is a flawed fluid which attracts water. Once you get the "shudder" you already have parts wearing unevenly. Transmission clutches are supposed to slide then grab in a smooth fashion. Not sticky-sticky then grab.
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Old 09-08-2020, 10:58 PM   #27
PnCRedJwl2SS
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I had the shudder and flush at 17K miles. Shudder returned at approx. 20K miles, so TC was replaced. Now I'm past 55K miles with no sign of the shudder.

Love this car!
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Old 09-09-2020, 09:25 AM   #28
cellsafemode


 
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Quote:
Originally Posted by PnCRedJwl2SS View Post
I had the shudder and flush at 17K miles. Shudder returned at approx. 20K miles, so TC was replaced. Now I'm past 55K miles with no sign of the shudder.

Love this car!
if all that happened before the blue label fluid in early 2019, then I'd still get new fluid put in now before any kind of shudder symptoms show up.

I'd really suggest absolutely everyone with the A8 (and even early A10's) get all new fluid put in if it has fluid from before the 2nd quarter of 2019. Regardless of symptoms.

You really dont want to wait for the issue to get bad enough to cause shuddering before dealing with it.
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