Judder is caused by deformation of the blade, which is a result of it being at rest for a long time. The blade leans against the motion of the arm and skips, causing the judder. To rectify the judder, fit a new blade.
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1981 ur quattro CA chassis LHD
1982 ur quattro CA chassis RHD
1986 ur quattro GA chassis - Alpine White
1986 ur quattro GA chassis - Graphite Black
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