Alot of people have the same problem, including me. Changing the transmission fluid is not going to help this problem. THe transmission filter is not something you change as much as you clean and reinstall, its just a metal screen. Call Kia and ask for an "OVERDRIVE SHIFT SOLENOID" they will need the last 8 digits of your VIN, vehicle identification number, to locate your part. I am in the process of changing mine. The part number should be something like 46313-39051. That number is for a 2001 Kia Optima, with the 4 cylinder. There are three shift solenoids bolted to the bottom of your transmission should. I'll let you know what the difficulty level when I am finished.
SOURCE: 2001 kia sephia automatic transmission not shifting
the computer is going into limp mode cuaseing it not to change. only way to fix the problem is having a scanner hooked up to it to find out what code/s it is showing
SOURCE: 2001 kia sportage 2WD automatic transmission problems
There only one problem wrong.You dont let your transmission warm up.You transmission has you warm up just like the motor.Try this and i promise when you take off it will shift like no other
SOURCE: 00' Kia Sephia LS not shifting past 1st gear
first you need to buy transmission fluid new filter and new gasket.you need 11.4 pints of transmision fluid.raise front of vechicle.set parking brake.block both back wheels.besure support vechicle weight with jack stands. get a drain pan.if your transmission pan dont have a drain plug.loosen rear pan bolts a few turns.remove the front and side transmission pan bolts. let fluid drain.remove tranny pan. then clean old gasket material from transmission and pan carefully.dont scratch or damage surface.clean old tranny bolts using brake cleaner or buy new tranny bolts.you have to put a tiny film of rtv silicone on tranny bolts so they wont leak.carefully remove old tranny filter and put on new filter.clean all grease grim away from tranny pan it should be **** and span because.you might need a little gasket adhesive to hold gasket in place while putting pan back on transmission.to line up bolt holes.loosely put all bolts in you have to move pan a little to get holes line up.when all is finish put tranny fluid back in.besure you put 11.4 pints back in that about 6.5 quarts. make sure tranny fluid level is right before driving vechicle.l
SOURCE: I have a 2000 Kia Sephia with an automatic
YOU NEED A TRANSMISSION I HAVE REPLACED MANY ON THE 2000 SEPHIAS FOR THIS SAME PROBLEM
SOURCE: 2004 Kia Rio - sputters and hesitates when going
IT COULD BE DIRTY CLOGGED FUEL INJECTORS OR BAD SPARK PLUGS + WIRES STOPPED UP AIR FILTER. BUT HAVE CAR SCANNED IT COULD BE MASS AIR FLOW SENSOR OR VOLUME AIR FLOW SENSOR.COULD BE MANY THINGS.
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warming up has NO positive effect on this problem!!
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