FixVault

Functional Check

Position 1-2 support drum on bench. Install reaction sun gear assembly into 1-2 support drum. Rotate reaction sun gear counterclockwise. Rotate 1-2 support drum clockwise. See Fig 4. Roller clutch should move freely in indicated directions. Roller clutch should lock in opposite direction. If roller clutch does not function as described, clutch is not assembled correctly. Reassemble as necessary.

Fig 1: Removing 1-2 Roller Clutch
G00073328Courtesy of GENERAL MOTORS CORP.
Fig 2: Inspecting 1-2 Roller Clutch & 1-2 Support Drum
G00073329Courtesy of GENERAL MOTORS CORP.
Fig 3: Installing 1-2 Roller Clutch Into 1-2 Support Drum
G98D01987Courtesy of GENERAL MOTORS CORP.
Fig 4: Checking 1-2 Support Roller Clutch Operation
G98F01988Courtesy of GENERAL MOTORS CORP.