2007-2014 GM Rear AC Repair and Service - Expansion Valve 

Repair, service and refill 2007, 2008, 2009, 2010, 2011, 202, 2013 and 2014 GM vehicles with rear A/C. This includes the Suburban, Tahoe, Escalade, Yukon, and Denali. This video shows replacement of the rear Expansion Valve, Front orifice tube and tips on diagnosing and troubleshooting the A/C system.
Keep an eye out for a new Video on How to Evacuate and Recharge an A/C system.
AlanFixedIt