Greetings. Am considering purchasing a 2005 Landau 2450DS but after test driving it noticed a whine under the hood at approx 60 mph. Backed off to 50, no whine. Not sure I like this, and want to ...
You can buy an inexpensive automotive stethoscope to pin down the exact location but that is hard to do at 60 MPH. To me a whine is usually a bearing like from the alternator, etc. I may also be wind noise from a front window weep hole cover missing.