Autoblog: General Motors - Factory hold on deliveries of manual trans V8 Camaros

[camaro5]

Sporadic reports have begun popping up in the Camaro5 forums about issues with V8-powered SS models equipped with the manual transmission. It seems that doing a hard launch or using the launch control system occasionally results in a broken output shaft, a serious failure that will most likely leave the car immobile and in need of repair.


We spoke with General Motors spokesman Adam Dennison about the problem and, as this is being written, a factory hold has been put on deliveries of manual transmission V8 Camaros while Chevrolet engineering teams investigate the problem.


Based on the reports, the transmission issues may not be related to the launch control system as the failures seem to happen whether or not launch control is engaged. The Camaro SS uses the Tremec 6060 six-speed gearbox – the same transmission fitted to the Dodge Viper, Mustang GT500, Corvette Z06 and other performance cars – so this is likely a manufacturing issue with a batch of gearboxes.

Dennison told Autoblog that an engineering meeting is being held this evening to identify the cause and establish a timing for the fix – and a recall seems likely. In the meantime, if you have a manual model Camaro SS, you might want to go easy on the launches for now – and if you have one ordered, you'll have to wait a bit longer.

http://www.autoblog.com/2009/07/13/b...ures-reported/

[1976Bee]

:(

[Legend]

*Note...could of swore I posted in this already*

Anyway...wonder if this is all M6 cars or only a certain group of VINs?

[GTAHVIT]

Originally Posted by I am Legend

*Note...could of swore I posted in this already*

Anyway...wonder if this is all M6 cars or only a certain group of VINs?

I think that is what we are going to find out...

[Andro]

[scott cooper]

Lets talk about thehurst shifter ! GM drops the ball again . This is not the only car that the traney is in .GM did not want the hurst logo on the stick .I think that was a big mistake .

[Mr. Wyndham]

Preventative Statement : Lets all take a breath before we get hyper.


There's no evidence yet to prove it was GM's fault, or Tremec's fault. I'm sure the investigation team will find out what's wrong and let everyone know one way or the other.

[bobby35ny]

Scott, its NOT the same tranny!!

-Bobby

Originally Posted by MuscleCarz
FYI: Tremec makes more than one TR6060.

Overview:
Both the standard Corvette and the high-performance Z06 use the TR6060 designated as MM6, which is validated to 500 lb-ft of torque, while the TR6060 with the Z51 option features higher ratios and is designated as MZ6. It is validated to 430 lb-ft of torque. The ultra high performance ZR1 uses the TR6060 designated as the MH3, which is validated to 650 lb-ft of torque. The CTSv uses the MG9 version of the TR6060 validated to 560 lb-ft of torque. The Camaro uses the M10 gear set validated to 430 lb-ft


It is up to the project engineers to spec their Transmissions accordingly.

People who think they are in the KNOW say "hey its the same tranny as in the vette" I always tell them its NOT the same tranny"

Finally someone agrees with me!!
Thank you MuscleCarz!!

=bobby

[jordan 572]

glad im have to weight until next year

[logan1080]

Doesn't look my car will get out of QC and delivered in July. I will have it just in time to park it for winter.

[scott cooper]

Originally Posted by bobby35ny

Scott, its NOT the same tranny!!

-Bobby

Originally Posted by MuscleCarz
FYI: Tremec makes more than one TR6060.

Overview:
Both the standard Corvette and the high-performance Z06 use the TR6060 designated as MM6, which is validated to 500 lb-ft of torque, while the TR6060 with the Z51 option features higher ratios and is designated as MZ6. It is validated to 430 lb-ft of torque. The ultra high performance ZR1 uses the TR6060 designated as the MH3, which is validated to 650 lb-ft of torque. The CTSv uses the MG9 version of the TR6060 validated to 560 lb-ft of torque. The Camaro uses the M10 gear set validated to 430 lb-ft


It is up to the project engineers to spec their Transmissions accordingly.

People who think they are in the KNOW say "hey its the same tranny as in the vette" I always tell them its NOT the same tranny"

Finally someone agrees with me!!
Thank you MuscleCarz!!

=bobby

what traney is in the mustang and dodge ?

[McGruff]

So the big questions I have are:

Is this for every manual SS or just certain VIN ranges?
Will GM notify the dealership who will call me for the recall?
How long does it take for a dealership to fix this problem?

[scott cooper]

Originally Posted by bobby35ny

Scott, its NOT the same tranny!!

-Bobby

Originally Posted by MuscleCarz
FYI: Tremec makes more than one TR6060.

Overview:
Both the standard Corvette and the high-performance Z06 use the TR6060 designated as MM6, which is validated to 500 lb-ft of torque, while the TR6060 with the Z51 option features higher ratios and is designated as MZ6. It is validated to 430 lb-ft of torque. The ultra high performance ZR1 uses the TR6060 designated as the MH3, which is validated to 650 lb-ft of torque. The CTSv uses the MG9 version of the TR6060 validated to 560 lb-ft of torque. The Camaro uses the M10 gear set validated to 430 lb-ft

We spoke with General Motors spokesman Adam Dennison about the problem and, as this is being written, a factory hold has been put on deliveries of manual transmission V8 Camaros while Chevrolet engineering teams investigate the problem.


Based on the reports, the transmission issues may not be related to the launch control system as the failures seem to happen whether or not launch control is engaged. The Camaro SS uses the Tremec 6060 six-speed gearbox – the same transmission fitted to the Dodge Viper, Mustang GT500, Corvette Z06 and other performance cars – so this is likely a manufacturing issue with a batch of gearboxes.

Dennison told Autoblog that an engineering meeting is being held this evening to identify the cause and establish a timing for the fix – and a recall seems likely. In the meantime, if you have a manual model Camaro SS, you might want to go easy on the launches for now – and if you have one ordered, you'll have to wait a bit longer.

http://www.autoblog.com/2009/07/13/b...ures-reported/

It is up to the project engineers to spec their Transmissions accordingly.

People who think they are in the KNOW say "hey its the same tranny as in the vette" I always tell them its NOT the same tranny"

Finally someone agrees with me!!
Thank you MuscleCarz!!

=bobby

what traney is in the mustang and dodge ?

[Supermans]

Originally Posted by Dragoneye

Preventative Statement : Lets all take a breath before we get hyper.


There's no evidence yet to prove it was GM's fault, or Tremec's fault. I'm sure the investigation team will find out what's wrong and let everyone know one way or the other.

Well, from what we do know is that one of the two if not both are at fault.. What is the most likely scenario is that there is a manufacturing defect that has occurred as I'm sure the original design was tested and worked the way it was supposed to. If it is manufacturing defect, then Tremec obviously needs to correct the problem and send new ones or else GM has to find another company (a much more costly and time consuming path) that can perform the same job and create a similar transmission. Either way this is a nightmare for all of us early adopters who may have that doubt about punching it as we are driving if all of them are not replaced.. Let us hope it can be narrowed down to a few thousand vins and that's all... If not who knows how long it will take to correct this problem (depends how fast the corrected part can be made and sent to the dealers.. The god news is nobody was hurt from one of these malfunctions...