bad filter
Check the U-Joints in the drive lines. More times than not it is these that are really bad.
Try having the ATF and transmission filter changed. If that doesn't help you probably have a failing "valve body" in the transmission.
A bad transmission speed sensor will result in the transmission not shifting at the proper times. The defective transmission speed sensor may also cause the vehicle not to idle properly.
If your transmission is good then you usually have to pump the clutch a few times and go through all the gears back to reverse til it goes in. I usually go from 4th to reverse then 1st to reverse then 3rd to reverse etc...until it goes in. Hope that helps!
If the transmission modulator valve is vacuum operated and it goes bad it can allow the engine to suck transmission fluid thru the engine causing the engine to blow blue smoke out the exhaust.
At times the odometer will stop working, then it will shift hard. 1994 Dodge Grand Caravan
It shortens the life of your transmission by shifting in and out of gear to get the longest life you would leave it in drive at all times every time you shift in and out of gear you are putting pressure on the plates when going back in gear causing wear and tear also make shure you are completely stopped when going from forward to reverse for the best tranny life I disagree. Long periods of idling while in gear & holding the brake, such as stop lights, trains etc. generates a LOT of excess heat, which is a Trannys worst enemy. Shifting into Neutral then back into gear is not all that hard on Trannys. I don't believe the Engine is affected in either case.
Does your transmission seem to shift at weird times as well? Could possibly be the throttle position sensor. Good Luck! transmission also pull-off in second gear
There are several reasons as to why a transmission would grind and not shift into gear. The problem could be cumulative therefore the problem could be 1 or a number of issues compounding the problem. The transmission has many valves in it that push transmission oil through. When you shift gears, if the valves are not able to push oil through, the transmission has a difficult time shifting, if it can at all. The transmission also has a magnet in it that essentially picks up small bits of metal that have been grinded by the gears. The constant grinding of the gears does a number of things. First, it wears down the gears leaving a lot of little pieces of metal that are then picked up by the magnet. Through years of wear and tear, it doesn't take a rocket scientist to figure out what happend....the gears become worn down. Second, the gears themselves could be slightly bent, meaning they no longer have their perfect form which of course can complicate shifting. Transmission oil change are not always the solution for these types of problems. Often the build up of metal and old oil is what is keeping the transmission together, other times a transmission oil change will allow for a thorough cleaning and flush any build up in the transmission away. I suggest you see a transmission specialist who can determine the best way to go forward.
try having the shift solenoids checked, it seems to be a big problem with the Chevy trucks. my truck is not shifting properly 1996 Chevy 1500 v-6 vortec 4.3 L with automatic O/D . Solenoids are in the pan on the bottom of the transmission. Good luck.
Keep your foot on the brake pedal when shifting out of park, as there is a switch there to prevent the accidental engagement of the transmission. Sometimes the switch sticks so you have to pump the brake pedal a few times, but always keep the pedal down when shifting out of park. If this does not help then the switch is probably bad.
sounds like transmission problems( not moving in drive) and u-joint problems(pop or clunk