Question about 2002 Ford F-150
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Posted on Jan 02, 2017
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.
Posted on Jan 11, 2009
Yes PCM (powertrain control module). is the standard name established by the EPA for all engine control computers, on Ford it also controls the trans shifting.
Posted on Jan 13, 2009
The fluid and speed sensor did not really do anything to solve your slipping problem. If it slipped before it could be that there are chips/breaks in the teeth on the gears or it could be that the clutch is not connecting when it gets into higher gears. May need a new tranny or clutch.
Posted on Mar 31, 2009
try changing the drive shaft speed sensor, sounds like you have a malfunctioning drive shaft speed sensor, change sensor and reset codes and test... e 300 had this problem in 94 and 95 even when they were close to new with very low miles... please rate my help , thanks
Posted on Aug 05, 2009
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