Ellusive rattle source found
Thread Starter
Burning Brakes
Joined: Dec 2000
Posts: 993
Likes: 5
From: Cincinnati Ohio
Ellusive rattle source found
My 1999 C5 coupe had an ellusive metallic rattle that sounded like it was in the dash on the driver side of the car. The rattle could be heard when I drove on rough or uneven roads. It sounded like a small hammer was tapping on something metal.
After changing the oil and filter yesterday, I checked for any loose parts in the enginge compartment. I found a metal brake line that was loose and would bang against the frame. The line runs underneath the alternator to the ABS controller and is the top line. It was the portion of the brake line that had a "round rim", forward of the heat shield insulation sleeve and below the alternator. I put a piece of rubber hose around the metal line to insulate it where it was banging against the frame. No more metallic rattle.
I purchased my 1999 C5 coupe new and this rattle has been present since I got the car. Once I found the rattle source, it was so obvious and easy to fix. I'll bet other C5's have this rattle.
1999 White C5 Coupe
