Q: My car has begun making a metallic buzzing noise from the underside when I drive at certain speeds. It runs fine and is perfectly quiet at other times. What could cause this? A: It sounds like your ...

Q: I have a 2008 Chevy Malibu with 72,000 miles. Last week I heard a rattle on the driver’s side, the same side where the exhaust pipe is located. The rattle doesn’t happen above 5 to 10 miles per ...

Dear Tom and Ray: My 2002 Honda Odyssey (96,000 miles) has been a great car, other than having to replace the transmission at 60,000. When we take a road trip, we notice that after about two hours on ...

It appears that my lower catalytic converter shield (# 5 on this diagram) is falling off my car. Not totally off, just enough for it make a horrible scraping sound as I drive. It just happened about a ...

Q: I have a 2008 Chevy Malibu with 72,000 miles. Last week I heard a rattle on the driver's side, the same side where the exhaust pipe is located. The rattle doesn't happen above 5 to 10 miles per ...