ELECTRICALS 48 Wiper - preliminary troubleshooting : Problem observed Cause Action to be taken Narrow streaks are left on the Foregin matter has attached Clean the edge of the blade. wind shield making it hard to see. to the blade . Edge of the If streakes still appear, replace blade is worn out. the blade. The wiper blade jumps across No proper contact of wiper blade Clean the wind shield. If jumping the windshield and makes a with wind shield glass and wiper persists, replace the blade. lot of noise. Un-smooth operation. blade does not move smoothly across the surface but vibrates, noisily and bounces. The blade does not contact with Deformed wiper blade/ Replace wiper blade/ the windshield surface evenly, arm. arm. leaving a large un-wiped surface.
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