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Description / Abstract:
Purpose. The purpose of this procedure is to
define and standardize the test methodology for validating
windshield wiper blade wind lift performance on specific vehicle
designs.
Wind lift occurs during dynamic vehicle speeds when the oncoming
air stream contacts a wiper arm/blade and causes them to lose
pressure on the windshield. Initial lift (blade does not wipe in
one direction of wipecycle) and terminal lift (blade does not wipe
in either direction of wipe-cycle) are to be evaluated.
Applicability. This document is applicable for
all car, Multipurpose Passenger Vehicle (MPV), and truck models
produced by GM.