Bump with shifting from 1st to 2nd
#1
Bump with shifting from 1st to 2nd
Hey everybody, Ive got an 04 F150 5.4 bought used from the dealership and noticed it bumps 90% of the time when shifting from 1st to 2nd. But all other shifts are smooth. Ive tried looking and asking around and ive so far been told that the bump or hard shifting is a sign of the transmission filter beginning to clog up? Went and bought the filter kit and all that good stuff along with some lucas additive to help with the hard shifting.
Anybody else have this issue and if so did it help? Truck has 122,000 miles on it.
Anybody else have this issue and if so did it help? Truck has 122,000 miles on it.
#2
If the transmission filter is clogging up the transmission is toast. The only way a transmission filter can clog up is when one or more clutches or bands fail. Once they fail and clog the filter a new filter and lucas additive are just a waste of money.
Most likely you have a 1-2 accumulator piston that is either sticky or has a broken spring.
Most likely you have a 1-2 accumulator piston that is either sticky or has a broken spring.
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If your contact at the dealership parts department can't find a common 1-2 spring, you need to find a different dealer to call.
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