Curious about the unusual sounds coming from your grandpa's Cadillac Escalade? Join us as we unveil the secrets behind these mysterious noises that might be causing alarm. Discover the reasons why ...

QUESTION: I have a 1999 Buick Park Avenue with 47,000 miles. It started to make a tapping noise. It goes away in a few minutes. I went to the Buick service department, and they claim all GM engines do ...