Your problem might be that one or both of the magnets need to be glued back onto the case.
Dan

Sorry, I cannot answer the question you asked, even if you asked it about my own locale. So many of us are do-it-yourselfers or hobbyists; DIY fitting the economy driving 20+ year-old cars offers.

If you decide to look into it yourself, here is one reference supporting what scorron suggested where you divide the problem between the wiper drive train and its "engine" by disconnecting at the shaft of the motor.

Notes on 240 Volvo Windscreen Wipers
--
Art Benstein near Baltimore


If your dog is fat, you aren't getting enough exercise.
-Unknown

I live in Lorton, work in Annandale, and I wish I could help more, but I am currently fighting an epic battle for my immune system.

If your wipers are actually immobile, I would imagine the motor is seized; I can't imagine the linkage being so screwed up as to freeze the wipers in spot. If that is the case, you could remove the glove box, take the screw out of the wiper motor spindle, and lift off the linkage connector (.I'm doing this from memory, so a bit vague). You should then be able to manually lower the wipers. I have a spare motor floating around somewhere, if your motor is bad. When I am not in danger of falling over from fever, (like this weekend), I'd be happy to dig it out and sell it to you cheap.

Let me know on here, or if the Brickboard email is working at the moment, shoot me an email.

No experience with the shops, but I wouldn't trust Pepboys to wipe my windshield.