I think I should have my transmission checked out but thought I'd check here and on the Ford forum. My 2001 F250 5.4 3.73 rear shifted really smooth. I loved driving that truck. The new 2001 F350 6.8 4.30 rear shifts a little lets say clunky? A little jerk to it? My brother in law who has owned several duallies says it's fine. To me it seems a little rough because I've never driven anything that didn't shift smooth. Any thoughts?

Is it tuned? Did the PO have it rebuilt? If so, the tune and rebuild could lead to a more harsh shift. Not a bad thing at all, you want a positive shift and not a slippery, sloppy shift as that means it is building heat and heat kills auto's. Or your trans is dying. How many miles? Your truck is 15 years old and used. Hard to guess without more info and background. If it doesn't feel right have it checked out.

Sorry, I should have added more information. The truck only has 49,000 miles on it. I'm the third owner. The previous owner hasn't had any issues with it and used the truck to tow his toy hauler to the desert and didn't drive it daily. He said it has always shifted like that with no issues. It could be normal I just was curious if others had theirs shift this way. Thanks.

Bigger engine, stiffer springs and a lower geared rear end, it won't feel the same when it shifts. Does it shutter, or have a delay when you move the shift lever?

2001 is 4-speed?Those transmissions are computer-controlled and should shift smoothly. One of Ford Truck forums should have plenty answers to your question.

Kayteg1 wrote:2001 is 4-speed?Those transmissions are computer-controlled and should shift smoothly. One of Ford Truck forums should have plenty answers to your question.Not true. Computer controlled doesn't mean the trans cannot shift firmer. He is the third owner....it could have tuned at one point in its life. In fact, if it was a tow rig only, it is more likely as most try to get more power, better trans pressure, firmer shifts...ect.See here.If it doesn't feel right and bangs gears...have a shop check it. My coworker lost his transmission in his dodge ram. He pulls a 38 ft 5er and told the shop to build it so it won't fail. He was shocked at how hard it would shift pulling his trailer...but the shop told him it won't fail again and can handle 800 horsepower now. He was happy after got used to the new torque converter lockup and firm shifts.

Ford transmission question. | Good Sam Community

13 Replies

K_Charles
Explorer
Apr 25, 2016
Bigger engine, stiffer springs and a lower geared rear end, it won't feel the same when it shifts. Does it shutter, or have a delay when you move the shift lever?
1handyhubby
Explorer
Apr 25, 2016
Sorry, I should have added more information. The truck only has 49,000 miles on it. I'm the third owner. The previous owner hasn't had any issues with it and used the truck to tow his toy hauler to the desert and didn't drive it daily. He said it has always shifted like that with no issues. It could be normal I just was curious if others had theirs shift this way. Thanks.
Vinsil
Explorer
Apr 25, 2016
Is it tuned? Did the PO have it rebuilt? If so, the tune and rebuild could lead to a more harsh shift. Not a bad thing at all, you want a positive shift and not a slippery, sloppy shift as that means it is building heat and heat kills auto's.

Or your trans is dying. How many miles?

Your truck is 15 years old and used. Hard to guess without more info and background. If it doesn't feel right have it checked out.

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Ford transmission question.

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