ford explorer trans problem please help me

[balston]

when i drive i feel my explorer go back and forward . it's a shift problem i thing on 4th gear. most common when 40 to 50 miles. if i change to 3rd manual the problem dessapear. but when put on drive again the problem start. if i drive on a highway up to 80 miles or more the problem dessapear.
its most common on 40 to 50 miles, an extrange movemet back and forward.
i'm new here any help i will appreciate.

 

[Mike_B_SVT]

when i drive i feel my explorer go back and forward . it's a shift problem i thing on 4th gear. most common when 40 to 50 miles. if i change to 3rd manual the problem dessapear. but when put on drive again the problem start. if i drive on a highway up to 80 miles or more the problem dessapear.
its most common on 40 to 50 miles, an extrange movemet back and forward.
i'm new here any help i will appreciate.

Hi Balston,

Your problem is very common (mine has a similar problem). The short answer to your question is: no one knows 100% answer.

This thread link has some help to determine if solenoid or servo MIGHT be the problem.
http://www.explorerforum.com/forums/showthread.php?t=341593

Other useful links:
SolenoidBlock replacement http://www.explorerforum.com/forums/showthread.php?t=164055
ServoBore info http://www.explorerforum.com/forums/showthread.php?t=262491

My rig still drives, even though it is "clunky" when shifting. My current plan is to drive it until it breaks and then go from there

Some people have very good luck with just changing transmission fluid and filters (not flushing, just changing).

I hope these links help you. I recommend searching this forum and reading ALOT of threads. There is alot of good information that will help you decide what to do.