Solenoid block or Servo pin bore? | Ford Explorer Forums - Serious Explorations

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Solenoid block or Servo pin bore?


New Member
April 28, 2018
Reaction score
City, State
Palm Coast
Year, Model & Trim Level
02 Explorer XLT 4x4
My '02 Explorer 4.0L trans is running RPM's up to 3500-4000 then after it slips and drops the RPM's back down it shifts to 3rd causing the o/d indicator to flash rapidly. I do not have a code reader. So best guess from all I have read is one of two things.
1. Servo pin bore is worn and the cheapest option would be o-rings.
2. Refurbished Solenoid Block Pack.
Thoughts and suggestions would be greatly appreciated.

Welcome to this forum! Don't guess what the issue is when you could have a shop scan it. This is why there's a code present. It tells you what is going on inside the transmission.