For The Past 9 Months I Had A High Pitch Whine When I Started The VX Cold Engine. It Would Stop After The Engine Warmed Up. I Tried Everything, Different Belts, Pulleys, Everything & Nothing Worked. The Noise Eventually Grew Louder. My VX Has 115,000 Miles. I Finally Changed The Crankshaft Pulley/Harmonic Balancer On The Bottom of The Engine & Like Magic That Annoying Noise Stopped & NEVER Returned !