1993 Oldsmobile Cutlass possible car problem

Tiny
MMASTER10
  • MEMBER
  • 1993 OLDSMOBILE CUTLASS
  • 137,000 MILES
When I drive the car down the road I hear a humming noise coming from the car and I worry its a bad wheel barring or something and don't know what to do or look for the Hemmings coming from the front of the car. Sure where or why
Wednesday, September 25th, 2013 AT 11:51 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,871 POSTS
You need some punctuation in that huge sentence to make it understandable, but I DID figure out you're hearing a humming noise. There's three ways to verify it's a noisy wheel bearing. You can jack up the front of the car, wrap your fingertips around the coil spring, then feel for roughness as you spin the tire by hand. You can find a mechanic with a Chassis Ear. That's a set of microphones that you clip to suspect points, then you listen with headphones as you drive the car. You switch between up to six microphones to zero in on the source of the noise.

My preferred method is to run the car in gear on a hoist and listen next to each bearing with a stethoscope. One will appear to be noisy, but then the other one will be seriously louder.
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Thursday, September 26th, 2013 AT 12:45 AM

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