Transmission not shifting properly

Tiny
ROBBIE BAKER
  • MEMBER
  • 1992 FORD F-150
  • 4.9L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 333,000 MILES
First it doesn't shift into overdrive. Second it has problems shifting into second does fine shifting it manually. Then when you want it to downshift it's like it goes straight to first then goes into neutral like.
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Wednesday, November 17th, 2021 AT 3:01 AM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

The first thing to check is the fluid level and condition. Make sure there is no evidence of clutch material or metal shavings.

Next, when was the transmission fluid and filter serviced?

What you described above sounds like it is a line pressure issue. We will need to check for codes in the computer. Also, take a look through the following link and let me know if it helps in any way.

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

What I need you to do is check for codes. This year has an OBD1 system. You don't need a scanner to retrieve codes. Follow the steps in the following link and let me know if you are able to retrieve codes and what they are.

https://www.2carpros.com/articles/ford-lincoln-mercury-obd1-1995-and-earlier-diagnostic-trouble-code-definition-and-retrieval

Let me know what you find and if you have other questions.

Take care,

Joe

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Wednesday, November 17th, 2021 AT 8:25 PM

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