Overdrive not working properly

135,000 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
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P.J.WALKER
  • MEMBER
  • 1 POST
First, second, third shift perfect. No overdrive. It does not slip at overdrive range or rev up at overdrive range. It just hold steady in third.
Nov 1, 2018 at 9:30 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,649 POSTS
It sounds like a shift solenoid has gone out. I would remove the 2-3 and 3-2 to test and make sure they are working, here is a diagram below.

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
Nov 4, 2018 at 3:07 AM
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