Will not shift back into two wheel drive

Tiny
SHAWN ROSE
  • MEMBER
  • 1993 FORD EXPLORER
  • 3.9L
  • 6 CYL
  • 4WD
  • 180,000 MILES
Will not go into two wheel drive or four high. Just grinds. Will drive in four wheel low. What would cause that?
Thursday, October 10th, 2019 AT 10:17 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Welcome to 2CarPros.

The most common cause is the 4wd shift motor fails. It is located on the transfer case.

As far as the issue, when you try shifting to 4H, is the vehicle in neutral and stopped?

Check to make sure the plug going to the shift actuator is tight and clean. Make sure there is no corrosion or anything in it causing a bad connection. See pic 1 for the connection location.

If you do not have the electric actuator and it is a manual shift 4wd, make sure the transmission is in neutral the same as an electric. If you have an manual transmission, the clutch pedal must be depressed.

Let me know if any of this helps.

Take care,
Joe
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Friday, October 11th, 2019 AT 5:56 PM

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