The lift supports function by releasing energy accumulated in compressed gas. The lift support keeps the hood, hatch, and liftgate open.
Backglass lift supportThe lift supports are gas-charged cylinders that can be found next to the hinges on the hood, trunk lid, or rear glass. It is made to lift the back glass and prop it up while you work on it underneath. It is important to have a proper functioning lift support because if it fails, it will no longer support the weight of the back glass and it can slam without notice.
Common issues with a bad back glass lift supportA bad back glass lift support can make it hard to maintain the hatch, hood, or back glass open while checking components or loading items in the rear.