Rear hatch wiper not working

Tiny
DAISYGIRL8688
  • MEMBER
  • 2000 FORD EXPLORER
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
When pressing the wiper button on dash, wiper doesn't move. I think I hear motor running.
Sunday, April 24th, 2022 AT 6:45 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

The pivot arm may be stripped where it is attached to the motor, or it simply could be loose. The wiper arm (pivot arm) is held on with a nut. First, check to see if it is loose.

If it isn't then remove the arm and inspect to see if the motor is actually turning or if something is stripped.

I attached the directions below for the removal and replacement of the pivot arm. Note that once you remove the nut holding the arm in place, there is a chance the arm is corroded and will not come off easily. Gently work it back and forth to see if you can get it. If that doesn't work, you will need a wiper arm puller. Most parts stores will lend one to you.

Let me know if this helps or if you have other questions.

Take care,

Joe

See pics below. Note: The highlighted part in pic 2 is a hinged cover to hide the nut. Gently pry it open.
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Sunday, April 24th, 2022 AT 8:37 PM
Tiny
DAISYGIRL8688
  • MEMBER
  • 57 POSTS
Okay, I removed arm and the shaft was not turning but I did hear the motor running. So, I had to take the motor out to check it out. Here is what it took (2000 Ford Explorer XLT):

1) First Open the upper glass window.
2) Remove the 2 Phillips screws holding the pull strap. Lift and pull off strap.
3) There a two little pop out covers - remove the smaller one on the driver's side and remove the one Phillips screw underneath it.
4) Along the top of the plastic frame and halfway down, pull frame to remove the metal/plastic clips. Do not pull on the lower half. See picture of the metal/plastic clips.
5) Grip the bottom of the plastic frame and lift upwards to remove it. See picture of the hooked plastic retainers. Do not pull straight back, you will destroy hooks.
6) Remove the one motor connector and three bolts holding the wiper motor on to door. Then pull the motor out.
7) To access main gear, remove the two bolts holding the bracket to the motor/gear assembly.
8) Remove five smaller bolts holding the gear cover. Use a hammer and tap on the gear shaft to push the gear/shaft out.
9) My problem was a stripped gear (see pic) and was probably caused by the wiper arm getting snagged due to misalignment of the parking catch on the body and the plastic standoff near the middle of the arm. If the gear is not your problem, find the two wires going to the motor itself and then put 12v to see if it turns (you may have to have the gear out). If it does turn, you can now test the harness side for power when the button on dash is pushed. Good luck!

Will be ordering new motor assembly from Amazon. Hope this helps others.
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Monday, April 25th, 2022 AT 1:07 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

Thank you very much for the detailed reply. I'm glad to know you found the issue. You have to love those plastic gears. LOL I guess steel is too heavy and would last too long.

Again, thanks for the update and please feel free to come back anytime. You are always welcome here.

Take care,

Joe
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Monday, April 25th, 2022 AT 6:19 PM

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