Whistling/whining noise when engine running
My 2014 Overland has developed a very quiet whistle when the engine is running - but it is independent of engine speed. It is noticeable up to about 30kph when it gets drowned out by road noise.
It sounds like an air whistle, or maybe a pump of some sort, although the frequency seems a bit high for that.
The car has done about 30,000 km, and I first noticed it after the 30,000km service.
The noise is there most, but not all, of the time, and I think only when the engine has warmed up.
I'll take it back to the dealer, but because it is pretty quiet, I'm not confident they'll have a clue what it is, so thought I'd look here for ideas first!
All suggestions welcome....
2014 JGC Overland Cherry Red Off Road Adventure Package, ARB colour coded bar, 265/65/18 BFG's