The following outlines the procedure for removing the serpentine belt tensioner from a VR6 engine and lubricating the tensioner pulley bearing. It is common for the bearing in the pulley to dry out, causing the bearing to become very noisy when the engine is running and eventually, to fail. The lubrication of the bearing as preventative maintenance or at the first sign of noise can significantly extend the lifetime of the tensioner pulley. Please do thease procedures at your own risk and be ready to make small adjustments whilst doing them. Also, please be observant when removing parts so that