Formerly an OEM Plt Mgr & Tier 1 Auto Engr & OEM Supplr for 36 years now retired. It's embarrassing after paying $80K for a 2010 Escalade Plat to have a w/shield wiper chatter prob. rt out of box. After 4 dealer attempts & conversations with GM Tech Center engrs can't fix and gave up. Wiper chatter happens only during rain & not while using washer fluid. I developed a test to simulate rain with garden hose gently sprinkling because the local dealer service could not duplicate. Once tried they saw my wipers chatter along with all of the Escalades on dealer lot. Tried all versions of a/mkt wipers. Asked for Engrs DFMEA RPN's for wiper chatter but will contact Esc Platform Mgr to put on notice.
the full review
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