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April 26, 2021 Service bulletin

Some customers may comment on a water leak or wind noise coming from the passenger door window

Cadillac technical service bulletin PI0748A for 2012-2014 Cadillac CTS.

Bulletin number
PI0748A
Component
Equipment
Summary
Some customers may comment on a water leak or wind noise coming from the passenger door window. The cause of this condition is an inner door belt reinforcement that was positioned too far outboard prior to it being welded into the door frame. This condition is specific to the passenger door only. This mis-positioned reinforcement causes the rear of the window regulator and the door glass to also be outboard, creating a gap between the glass and the B pillar seal.

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