Check Engine light is not on. on 2000 Buick Regal

My car jerks when the automatic gears change and the check engine light is not on, and I had the transmission fluid and filter changed. Please reply.

by in Windsor, NC on June 23, 2011
1 answer
ANSWER by , June 24, 2011
If there is jerking when gears shift, there is likely an internal transmission issue, or a pressure issue at the valve body. It may or may not be repairable via electrical components in chassis. A diagnosis needs to be performed to determine the extent of the issue and a recommended repair path.