On a computer controlled transmission, the throttle position sensor is one input used for shift timing.
I doubt it is the tps. Could it be the transmission shifting in and out of overdrive?
Yes, the tps signal is sent to your ecu. the ecu decides when to activate your transmission shift solenoids. if the tps is sending the wrong signal, then the ecu is giving the signal at the wrong time causing a hard shift.
A "speed" sensor can affect the shifting of the trans.A "speed" sensor can affect the shifting of the trans.
To manually control the shifting of the transmission. Either downshift, upshift or hold in a gear.
The transmission linkage connects the shifting the lever in the passenger compartment to the shifting lever on the transmission. You will find the shifting linkage on the side of the transmission.
There are several things that can cause shifting problems in your 1989 Chevrolet Blazer transmission. The most common cause of shifting problems is a lack of transmission fluid. Broken shifting forks can also cause transmission shifting problems.
would an automatic transmission car jerk when shifting after having had a transmission flush
No, but it can cause the trans computer to not be able to communicate. that will cause not shifting.
A 2000 Chevrolet Lumina has a modulator valve located on the side of the transmission. It is designed to control pressure inside the transmission and adjust shifting.
The most common cause of a automatic transmission jerking, when shifting, is low transmission fluid. Fill the transmission to the full mark.
Probable failed front clutch seal in the transmission. It will require an overhaul.
The power e-at button control's the transmission shifting pattern power or economy Hank