After I run the windshield wipers for around 5 minutes on my 1979 Century they start to knock right at the point where they reverse direction. This will continue till get to my destination. The next day they are quiet till running about 5 minutes then the knocking starts again. I don't seem to find any looseness in the linkage. Anyone have thoughts on what the problem might be ?
thanks, Randy in Portland, OR
second and long time owner of 1979 Buick Century Aero Sedan
thanks, Randy in Portland, OR
second and long time owner of 1979 Buick Century Aero Sedan