FZP
Zandvoort
- Joined
- 18 Jan 2015
- Messages
- 5,877
A little help please.
After a spirited run this morning, pulled up to a town car park, and the space I was reversing into had a wall behind it. I could hear a strange whistling noise that would make its presence heard when id blip the throttle as I was reversing in. I can't really hear it above 1500 rpm. I did search and the suggestion was to try and remove the oil filler cap. If you couldn't open it, then it's the AOS. I could open it no problems, interestingly, when you open the oil filler cap the engine revs rise, and drop back once closed again.
So any ideas as to the source of my whistle?
After a spirited run this morning, pulled up to a town car park, and the space I was reversing into had a wall behind it. I could hear a strange whistling noise that would make its presence heard when id blip the throttle as I was reversing in. I can't really hear it above 1500 rpm. I did search and the suggestion was to try and remove the oil filler cap. If you couldn't open it, then it's the AOS. I could open it no problems, interestingly, when you open the oil filler cap the engine revs rise, and drop back once closed again.
So any ideas as to the source of my whistle?