Best post ever ! At least for a wiper motor issue ! Had the same problem with my 2004 v70 and decided to follow your tutorial... Actually the problem on my motor is the motor bearing. The motor body was filled up with all sort of dust... and I can barely turn the motor manually. I proceeded to a thorough cleaning and spray WD40 until the motor turns freely. Before having the linkage back into place, I connect the motor to the car and did some trials, as I did before any cleaning and greasing, and the motor turned freely and continuously ! Great news !!! So I reinstalled, linkage, motor to the car and wiper arm....and....it still doesn't work !!!! Arrrggghhh !! Actually it works much better but it stops time to time. The fact that the motor housing is hold with 4 tabs doesn't help the axle to bearing alignement to be accurate....
Thanks for your post, it's very useful !
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