6T75 Overhaul Kit 2007-2012, new and ready to install. Fits the 6T75. Ships fast from the USA.
This is the reseal kit for an early 6T75, the 2007-2012 first-generation unit found in the first Chevrolet Traverse, GMC Acadia, Buick Enclave and Saturn Outlook crossovers. If yours is weeping fluid, takes a moment to engage on a cold morning, or is about to come apart for a wave plate or drum repair, this kit gives you the gaskets, lip seals and sealing rings to close it back up tight. The listing photo shows the boxed gasket set along with the round piston and sealing components for the Gen 1 build.
Every shift in a 6T75 is made by hydraulic pressure applying one clutch while another releases, with no shift valves to fall back on. Each piston has to hold its charge, and each rotating sealing ring has to carry fluid from the case into a spinning drum without leaking it away. After 100,000 miles or more of heat, those rubber and Teflon parts shrink and harden. The result is not usually a sudden failure; it is a slow loss of apply pressure that the control module tries to cover with longer fill times until the shifts go soft or a slip code sets.
Read codes and check fluid level hot before tearing anything down. Harsh garage shifts and late engagement can also come from line pressure, a sticking boost valve or a sensor signal, and the Acadia shift problems guide lays out how to sort those from worn seals. If the wave plate code is present, read the Acadia common problems guide for the bulletin details before you order parts.
This kit is listed for 6T75 transmissions built from 2007 through 2012. That is the Gen 1 era; ATRA notes GM moved to the updated Gen 2 design in 2013, and the later pistons and seals are not the same. Even inside the Gen 1 years there were changes. GM's wave plate coverage calls for one seal kit on 2007-2008 repairs and a different one for 2009, and Sonnax notes that 2007-2008 and 2009-later Gen 1 valve bodies do not interchange. Match your RPO code and model year, or send us your year and VIN and we will confirm fit. For a 2013 or later unit, see the 6T70/6T75 collection for the matching kit.
| Fits | 6T75 2007-2012 |
| Part type | Overhaul Kit |
| Condition | New |
| Brand | OEM |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
No. This is the gasket and seal overhaul kit. If your frictions are glazed or burnt, add a friction and steel kit so you are not reinstalling worn plates in a freshly sealed unit.
It is listed for 2007-2012 Gen 1 6T75 units. GM introduced Gen 2 parts in 2013, so a 2013 can go either way. Check your build date and RPO code, or send us your VIN.
Yes, as the reseal half of the job. Replace the broken wave plate and inspect the drum splines, then reassemble with the new seals and gaskets from this kit.
DEXRON VI only. Check the level hot, at operating temperature, on the dipstick after the rebuild.
Yes. Clear the shift adapts and run the GM relearn so the module relearns clutch fill times on the new seals.
