The 4.3L V8 Vantage can sometimes develop a “chirp” that is present when the engine is cold. The problem was fixed on the 4.7L V8 Vantage by changing the idler assembly pulley and FEAD belt.
The updated FEAD belt and updated idler assembly must be used together or the chirp will continue! Updating the pulley alone will not solve the problem unless this belt is used with it.
This product is kept in stock at Redpants in the USA.