Road Testing Wind-Windshield-Rear Window

Apply a soapy water solution to the perimeter of the glass.
From inside the vehicle, blow with compressed air along the whole perimeter and visually check for air bubbles.
If a leak is located on the vertical uprights, it is possible to repair by removing the pillar trim and injecting sealant from the inside.
If a leak is located at the top, it is possible to repair by injecting sealant from the inside.
If a leak is located at the bottom, it is possible to repair by removing the necessary trim panels and injecting sealant from the inside.
If a leak is widespread around the perimeter, it is recommended to remove the glass and install with complete new sealant.