Wiper adjustment

Welcome to 2CarPros.

I have a feeling it isn't either of the things you mentioned. Rather, the linkage that attaches the motor to the transmissions has nylon bushings. My first suspect is that they are worn out and allowing excessive movement in the arms.

What I need you to do is inspect the linkages where the attach. Check for excessive play or wear in those places. I am going to provide the directions for removal of the wiper motor so you can see how to access and remove linkages. The attached pictures correlate with the directions. Also, if you find that is the problem, most parts stores should have what you need.
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Wiper Motor Replacement

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1. Remove the nuts (A) and remove the windshield wiper arms (B).
2. Remove the hood seal and cowl cover.

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3. Remove the bolt (A) and windshield wiper linkage assembly (B).
4. Disconnect the connector (C) from the wiper motor (D).

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5. Scribe a line (A) across the link and windshield wiper linkage to show the original adjustment. Separate the windshield wiper linkage (B) from the wiper motor (C).
6. Install the motor in the reverse order of removal, and note these items:
- Grease the moving parts.
- Before reinstalling the wiper arms, turn the wiper switch ON, then OFF to return the wiper shafts to the park position.
- If necessary, replace any damaged clips.
- Check the wiper motor operation.

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Let me know if this helps and what you find.

Take care,
Joe

Welcome back, Dave.

That sounds like a plan. Let me know if I can help or how it works out for you.

Take care and Happy Easter,

Joe