Water Hose Test
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Have an assistant inside of the vehicle in order to locate the leak.
- Begin testing at the base of the window or the windshield.
- Slowly move the hose upward and across the top of the vehicle.
NOTE:
Use a water hose without the nozzle attached.