VI !!!!

See TSB 04-07-30-037D.

General Motors Powertrain has upgraded to DEXRON®-VI ATF with the start of 2006 vehicle production.

Current and prior automatic transmission models that had used DEXRON®-III must now only use DEXRON®-VI.

All 2006 and future model transmissions that use DEXRON®-VI are to be serviced ONLY with DEXRON®-VI fluid.

DEXRON®-VI is an improvement over DEXRON®-III in the following areas:

DEXRON®-VI

Fluid Service Change Interval
160,000 km (100,000 mi) For Cars and Light Duty Trucks*

80,000 km (50,000 mi) (Severe Use) For Cars and Light Duty Trucks*

Clutch Friction Stability
Improved 100%

Clutch Durability Due To Fluid
Improved 120%

Oil Film Thickness
Increased 20%

Fluid Oxidation
Improved 100%

Foam/Aeration
Improved 150%

Shear Stability
Improved 200%


* These ATF change intervals remain the same as DEXRON®-III for the time being.