> when vehicle shifts gears there is hard thump as if that it has stayed
> between gears to long and let engine rev to much.One place says there is
> an electronic sensor that needs to be replaced.The Ford dealership says
> there is a valve in the valve body sticking.Also will shift smoothly if
> I let off gas. Any ideas or suggestions would be
> appreciated. thanks hlb
My guess is Ford could be right. If you don't believe Ford, go to a good
trany shop and have them check

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djdave - 13 Aug 2006 02:46 GMT
Ford is most likely right. Either a valve or a small spring in the
valvebody.
>> when vehicle shifts gears there is hard thump as if that it has stayed
>> between gears to long and let engine rev to much.One place says there is
[quoted text clipped - 5 lines]
>My guess is Ford could be right. If you don't believe Ford, go to a good
>trany shop and have them check
HL B123 - 13 Aug 2006 16:11 GMT
thanks for the suggestions originally I had a
transmission shop check it but was not comfortable with them .Then went
to Ford and they flushed transmission and suggested driving 200 miles
and then checking the valves,have driven about 50 miles and is shifting
much smoother.I almost allways use ford for both trucks ,was wanting
some extra input that I was going right. Will continue to read this site
for other tips thanks hlb
twisted wrench - 19 Aug 2006 17:00 GMT
The Ford E-4-OD trans is very tempermental on fluid
Quality as well as age of the fluid. When I got certified by " ATRA' it
was made perfectally clear that you should not go over 30,000 on the
trans fluid with out a change and flush. The Filters seem to clog with
the dirty fluid alone even with out the presence of any particulate
mass. So Change your fluid regularly with a Quality Fluid and Filter
and you should Get good service out of the truck.
> thanks for the suggestions originally I had a
> transmission shop check it but was not comfortable with them .Then went
[quoted text clipped - 3 lines]
> some extra input that I was going right. Will continue to read this site
> for other tips thanks hlb
HL B123 - 20 Aug 2006 21:11 GMT
Had gone pass the recommended mileage to flush the transmission ,after
serviceing it is shifting better thanks for the info hlb