new 5 speed trans
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Joined: Dec 2002
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new 5 speed trans
just went to pick up my 6.0 f250 4x4 lariet
it had a bad slip between 3rd to 4th shift
dealer agreed and its been over two weeks of trans
replacment promises ,so i just cancelled the deal
and will order another in 6months or so
when they get this
problem worked out.
has anyone else had/heard of any problems?
it had a bad slip between 3rd to 4th shift
dealer agreed and its been over two weeks of trans
replacment promises ,so i just cancelled the deal
and will order another in 6months or so
when they get this problem worked out.
has anyone else had/heard of any problems?
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,714
Likes: 2,640
From: SE Florida
new 5 speed trans
There is a Special Service Message (SSM) out on this problem. It calls for a reflash of the PCM. The new calibrations are available. Swapping the transmission won't help.
Your dealer should be reading the messages that Ford sends!
Your dealer should be reading the messages that Ford sends!
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,714
Likes: 2,640
From: SE Florida
new 5 speed trans
Yes, there was A LOT of testing. But once full scale production starts some times things are a little different.
The direct clutch return spring turned out to be made by a different process once production started compared to the prototypes. They were supposed to have the same load, but the producion ones have a higher load than the prototypes. This requires a higher pressure to start the 3-4 shift. The new calibration has the higher pressure to match the higher load spring.
The direct clutch return spring turned out to be made by a different process once production started compared to the prototypes. They were supposed to have the same load, but the producion ones have a higher load than the prototypes. This requires a higher pressure to start the 3-4 shift. The new calibration has the higher pressure to match the higher load spring.
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