SOURCE: 104,000 miles transmission issue
The trans in your vehicle is a 4L30E.The check,and fill plugs are in the pan.The fluid has to be checked after the vehicle is fully warmed up,engine running,in Park.The hard to shift into 2nd gear is kind of difficult to say,check the level,maybe have it scanned for trouble codes esp. if check engine is lit.Those particular transmissions have one weak area,and thats the Low gear,or first gear band and drum.That causes a symptom of slip and chatter on takeoff from a complete stop.
SOURCE: hard down shift
I've read article after article on Chrysler forums where anything other than Autopar ATF in their transmissions cause problems, erratic shifting, etc, including what your experiencing. The techs that deal with it daily through Chrysler/Dodge shops, say there is some properties or chemicals in Autopar fluid, that others just don't have, no matter what they say, and they have proven it, time after time, with symptoms that disappear, just by changing fluids to Autopar. My wife's relatives own one of the more respected & trusted repair shops in our area, and they swear by that rule too, because they've also experienced it in the past. I'm naturally assuming you know that your experienced enough to know how to install filter properly & what to watch for, so with that said, I hate to say it, but Mopar ATF4 is the one & only fluid for best results. P.S. I recently had my transmission with 260,000km. replaced at Ontario Reman, whom back when I was with Chrysler, was the sole supplier of rebuilt engines & transmissions for Chrysler. When I questioned them on the fluid in my new/rebuild they responded with same answer, Mopar ATF and nothing else. If you do some googling on it, you'll find many that went to quick lube or similar for same service only to experience shifting problems etc after. Switched back to autopar as advised & problems went away. Can't say 100% that's your problem, but if it were me, I'd change it.
SOURCE: auto trans shifting VERY HARD, possible cause?
It could be several things but I will give you a few ideas anyways to try and avoid the costly Ford dealer mechanics. Check your transmission fluid to make sure that it is full and that is still good and red. You may also want to just go ahead and change your transmission fluid but when you do so remove your transmission pan. Inside your transmission pan is your automatic transmission fluid filter screen. Make sure to clean it thoroughly and put back on filling the transmission with new fluid. Cleaning the screen is probably the most likely thing that will help. You also might want to consider using a transmission fluid additive that will help it shift easier. I've had pretty good luck with Lucas's products. Hope this helps. Be sure to let me know how it goes and if you need more help clarifying. Goodluck.
SOURCE: hard shifting Impala, sometimes.
Sounds like the vacumn modulator isn't connected. Like the hose has come off, or there is a tear in the hose. (4t60-E transmission)
4t65-E transmission is a different ballgame. Check the electrical connector to the side of the tranny. Make sure it's plugged in tight, and there is no corrosion on the connectors. Past this point it's time to check sensors. WSS, (Wheel Speed Sensor), and VSS, (Vehicle Speed Sensor)
Make sure these connections aren't corroded, and are on tight on both transmissions.
(Don't know which one you have. 4t60-E, or 4t65-E. I suspect you have the 4t60-E. It will state this on the transmission oil pan in raised letter/numbers)
SOURCE: 2002 chevy malibu transmission soleniod
It doesn't sound like a solenoid, check the universals and if it's not those, it is more than likely a linkage problem,
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