Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000mi.Have underbody flushing service performed. See "Underbody Maintenance" inExterior Care.
Power Mode Description and Operation
GMLAN and Media Oriented Systems Transport (MOST) Wiring Repairs2-6 Clutch Piston Installation (6T40/45/50) Automatic Transmission Unit
2-6 Clutch Piston InstallationCalloutComponent Name12–6 Clutch Piston AssemblyNote:Position the 2–6 piston air bleed and large slot toward the top of the case.DT-47796 seal protector prevents the piston seal lip from damage during installation. Apply a thin coat ofATF to the I.D. of the DT-47796 ...