Replace your original washers or upgrade the nylon washers supplied in your aftermarket kit to the correct phenolic washers which will grip the chrome or paint without damaging it and hold the gliders in place making sure you can clamp the window in your desired position.
Replace your original washers or upgrade the nylon washers supplied in your aftermarket kit to the correct phenolic washers which will grip the chrome or paint without damaging it and hold the gliders in place making sure you can clamp the window in your desired position.