transmission not shifting properly

2001 FORD E-SERIES VAN
250,000 MILES • 4.6L • 6 CYL • 2WD • AUTOMATIC
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RICHARD PETERS
  • MEMBER
  • 1 POST
shifting fine when taking off slowly but hanging up when going faster. also will not go into passing gear.
May 16, 2021 at 6:47 PM
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

This could be several reasons for this. I attached a flow chart for the symptoms for you. You will need to check the line pressure to be sure the front pump and seals are working correctly.

https://www.2carpros.com/articles/automatic-transmission-problems

I would start by changing the fluid and filter. If the filter is clogged, it could cause this issue.

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Roy
May 17, 2021 at 1:58 AM
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