Chevrolet TSB #22-NA-246
2021 Chevrolet Silverado 1500
Affected Component: POWER TRAIN
- Summary
- This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for possible other issues, but it still may be possible on high mile vehicles that orifices in housing may have come dislodged, causing the same customer concern.