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Trouble Shooting 2000 Mercury Marquis Wiper Motor

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Nov 10, 2012, 11:45 AM

Post #1 of 2 (1720 views)
Trouble Shooting 2000 Mercury Marquis Wiper Motor Sign In

I replaced the wiper motor on my 2000 Marquis LS because the wipers were only working on high and would not park. Now they work in all positions but park in the up position unless I have them on intermittent and let them stop before I turned them off. Then they park in the correct position. What else could be causing this?

Ultimate Carjunky / Moderator
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Nov 10, 2012, 12:02 PM

Post #2 of 2 (1714 views)
Re: Trouble Shooting 2000 Mercury Marquis Wiper Motor Sign In


3. Verify that the plastic windlatch slide is positioned so that it can move an equal distance beyond both ends of the depressed park windlatch guide bracket. Make sure the tab on the windlatch is oriented in the proper direction for the specific application (Figure 1, views A and C).

4. Apply a thin film of Silicone Brake Caliper Grease (Motorcraft Part XG-3-A) to the mating surfaces of the plastic windlatch slide and the output arm.

5. Install the output arm onto the wiper motor output shaft according to the specific application (Figure 1, views B and D).


6. Reinstall the output arm bolt and torque to 132-180 Lb-in. (15-20 N.m).

7. Reinstall the plastic output arm dust cover.

8. Rotate the output arm slowly clockwise one full turn by hand, then turn the output arm by hand counter-clockwise to seat the detent in the output arm against the stop on the plastic windlatch slide.

9. Position the vehicle wiper arm linkage so that the wiper blades are at the bottom of the windshield, just above the parked position.

10. Install the wiper motor in the vehicle and connect the wiper arm linkage per the procedures outlined in Section 01-16 or Section 501-16 Wiper and Washer Systems - Removal and Installation, of the appropriate model year Workshop Manual.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Nov 10, 2012, 12:11 PM)

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