xjr v8 sqeaking noise

[alanmercer7]

While the car is ticking over,there is a sqeaking noise which appears to come from the front top of the engine -any ideas and solutions -please

[NST]

Hi

Could be either the supercharger belt or the serpentine belt and tensioner. Both are not expensive. Mostly to be the serpentine belt.

regards
NST

[TheD]

I had this and it was driving me mad. I changed all the pulleys and belts and it turned out to be the tensioner.