What does a transmission wave plate do?
A wave plate is a mostly flat disc that is used in the stack up in a clutch drum. It’s a cushion (spring) for the transition when the clutch drum is applied/engaged.
What causes a GMC Acadia wave plate to fail?
GMC has it at 100K IIRC, maybe severe service is at 50K. Something caused your fluid to burn…..a bad waveplate and the heat that it causes. I would go to another dealer. Ask your dealer who said to flush to show you this in the maintenance schedule.
What are the transmission problems on a 2009 GMC Acadia?
Basically, if you have a 2009 Acadia, and the transmission is acting like it is possessed, go ahead and bring it in to have it re-flashed. This Technical Service Bulletin covers a wide range of problem that are caused by a faulty 3-5-R clutch wave plate.
What’s the general problem section on the Acadia?
There’s: The Acadia specific section deals with recalls and TSB’s (Technical Service Bulletins). The general problem section deals with common Acadia problems with an emphasis on the 6T75 and 6T70’s (these are the transmissions they come with) most common areas of weakness.
How to prevent a wave plate related transmission issue / failure?
Under GMPP, the dealership had to drop the engine and transmission, and then remove the transmission and split the cases. Since the cases were being split, I had them also replace the 3-5-R plate (actually, it comes in a kit – P/N 24240100, $52.42). Re: How to prevent a wave-plate related transmission issue/failure?
GMC has it at 100K IIRC, maybe severe service is at 50K. Something caused your fluid to burn…..a bad waveplate and the heat that it causes. I would go to another dealer. Ask your dealer who said to flush to show you this in the maintenance schedule.
Basically, if you have a 2009 Acadia, and the transmission is acting like it is possessed, go ahead and bring it in to have it re-flashed. This Technical Service Bulletin covers a wide range of problem that are caused by a faulty 3-5-R clutch wave plate.
Under GMPP, the dealership had to drop the engine and transmission, and then remove the transmission and split the cases. Since the cases were being split, I had them also replace the 3-5-R plate (actually, it comes in a kit – P/N 24240100, $52.42). Re: How to prevent a wave-plate related transmission issue/failure?
There’s: The Acadia specific section deals with recalls and TSB’s (Technical Service Bulletins). The general problem section deals with common Acadia problems with an emphasis on the 6T75 and 6T70’s (these are the transmissions they come with) most common areas of weakness.