So I recently supercharged my ep3 and recently I have been getting an intermittent high and sometimes low pitch squeal? It is fine when I first start it up and can take a while to become apparent, but I'm finding its after a good 'thrashing' it appears. Only when off throttle/changing gears it's there. If I apply the smallest amount of pressure to throttle it goes away?
I had the charger 'overhauled' (new nose cone bearings and oil etc) by grinspeed before fitting it but it was fine for the first couple hundred miles. It's still running the same pulley that was on the charger when I purchased it (no history of mileage) and it had a new Gates belt fitted when I installed it.
Any feedback will be appreciated.
Thanks
Karl