Diagnosing an engine noise
Posted: Wed Jul 22, 2020 8:58 am
I have a 2004 2.0 petrol/auto Bongo which has a whirring noise when revved and held at a light throttle. Obvious things like alternator (already replaced), power steering pump, air con pump, belt tensioner, and fan belt can be discounted, as the noise still exists when all the external belts are off. I just cannot pin point the noise source. Am I right in now looking to get the cam belt, tensioner, and water pump replaced, or is there a known issue elsewhere with the 2.0 engine? Any suggestions would be welcome, before I spend more on this.