July 01, 2020
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
GM Gen. 1 6T70 & 6T75 Identification Guide
| GM Gen. 1 6T70 & 6T75 Identification Chart | |||||
|---|---|---|---|---|---|
| Model Year | 3-5-R Clutch Reg. Valve | Lower Separator Plate | Upper Separator Plate | Exhaust Port | Control Valve Channel Plate |
| 2007 & 2008 | 1.35 Ratio | Cut Out | No Notch | Closed | Level with Valve Body |
| 2009 | 1.83 Ratio | Notch | Notch | Closed | Level with Valve Body |
| 2010 & 2011 | 1.83 Ratio | Circle Hole | Notch | Open | Level with Valve Body |
| 2012 & 2013 | 1.83 Ratio | Circle Hole | Notch | Open | Raised Notch Above Valve Body |
| Lower and Upper Separator Plates |
|---|
 |
| Exhaust Ports |
|---|
 |
Learn More
Related Units
Related Parts
Required
Recommended
6T70 (Gen. 1), 6T75 (Gen. 1)
Remanufactured Valve Body GM6T70-1L
Fits '09-'13 units with 1.83 ratio 3-5-R clutch regulator valve. Sold without TEHCM.
Required
Recommended
6T70 (Gen. 1), 6T75 (Gen. 1)
Remanufactured Valve Body GM6T70-1E
Fits '07-'08 units with 1.35 ratio 3-5-R clutch regulator valve. Sold without TEHCM.
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