hi i still got an awfull noise that i suspect comming from lower heatshield sounds like a router on plywood comes on after heavy turning last a fair few seconds then goes again iv tried to remove the heatsheild but cant get to the lower bolts any ideas? also when this noise kicks in if i slip in the clutch its not there am i going up the right path with heatshied its all bucked and was just wondering what would be spinning on it ? cheers