T TONY480 New member Joined Jul 19, 2010 Messages 1 Reaction score 0 Points 0 Jul 19, 2010 #1 I Have A 2002 Gmc Sierra Lt Z-71 With A 5.3.the A/c Doe's Not Seem To Blow As Hars As Use To.it Doe's Not Blow Out The Defrost When I Have It On Vent, So It Is Not A Vacum Leak.any Ideas?
I Have A 2002 Gmc Sierra Lt Z-71 With A 5.3.the A/c Doe's Not Seem To Blow As Hars As Use To.it Doe's Not Blow Out The Defrost When I Have It On Vent, So It Is Not A Vacum Leak.any Ideas?