Took my VX to a "Window & Windshield" expert shop to see what they could do with my power windows. After fiddling around for 30 mins, they told me that they added some spacers ( o-rings? ) and the window worked fine for a week. After a week the windows did'nt tilt forward but kinda slowed to a stop around 2/3 ways up.

I went back and they said the inner and outer window rubber seals have lost their ( velvet?) lining on the inside due to aging. Checked the local Isuzu dealers here but you probably heard that song before.

A can of silicone spray on the inside of the seals worked a miracle and it's been over 3 weeks without any problems. Windows rolled up and down as smooth as silk.