Gmc 2500 cab vents between can and bed

Gmc 2500 cab vents make noise between cab and bed

2011 GMC Yukon XL 2WD 4-door 2500 SLE Air Vents #9697025

2007 Dodge Sprinter 2500 144" WB Air Vents #9874379

2008 Dodge Sprinter 2500 144" Air Vents #9734500

2013 Nissan NV Standard Roof 2500 V6 S Air Vents #9085405

2009 Dodge Sprinter Wagon 2500 144" Air Vents #7828681