1999 Chevrolet Silverado 1500 "shift overdrive chevy" Questions

shift into overdrive. why? it used to shift at 2200 rpms or so and now it has to be throttled to 3000 or a little more , and slams into gear except it willnot shift into overdrive. i have not tried to

...overdrive on a 1500 chevy pick-up all four gears work but that one is there some kind of sensor that need to be replace.i have the 4l60e series trams I'm not sure if your saying all four gears ...

...b sensor had it changed also wont shift out of overdrive The Circuit Board on the Side of the Tranny has a Software Problem Communicationg with the Main Computer. This will have to be

...shift into drive or overdrive. The transmission shifts fine except it will not go into overdrive and stays in 3rd gear all the time. Maybe overdrive switch? transmission shift solenoid is stuck open ...

My 1999 Chevy Silverado Z71 will not shift into overdrive. This happens intermittenly. What could the problem be? check the oil level in the gearbox

my 19999 chevy silverado 1500 transmission will noy shift up to drive and the overdrive in dash has not work want to know if in limp mode gears pin is worn out

1994 chevy silverado wont shift into overdrive Torque converter lock up solenoid is bad. Unfortunately it is inside the transmission

...chevy silverado it shifts hard and jerks when i go to slow down and to stop but when i am driving it seems to kinda switch between overdrive mode and regular drive sometimes what could cause this? ...

shift fine but wouldnt go in to third or overdrive it had a 4l60e transmission in it i ended up having to replace the transmission in it . junk yard wanted around 750 for one tranny shop to rebuild it

...shift solenoids and still having the same problem. taking off in 2nd or 3rd gear and no overdrive. check engine light came on shortly after hitting a deer in the front . big rack . nothing visibly ...