1983 Ford Fairmont Engine Whine

1983 FORD FAIRMONT
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EIGNUB
  • MEMBER
  • 1 POST
Lately i have been hearing an engine whine when i am going about 10-20 mph then again from about 30-40 mph or so. I thought it might be coming from my stero, since i have an amp, but when i turn off the head unit it is still audible. It is most noticeable when i am decelerating through 40-30, whether i am brakeing or not. I have checked the transmission fluid and all the grounds, and they seem to be good.
Sep 28, 2006 at 7:06 AM
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NOS
  • ✓Experienced Mechanic
  • 320 POSTS
you may have a bad alternator bearing. with it running lay your had on the alternator and see if there is a vibration. or better yet take the belt off and start the enigne. if no noise your on the right track. (NOS) 8)
Sep 28, 2006 at 2:00 PM
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Suggested Repair

Check the alternator bearing. With the engine running, feel the alternator for vibration. Remove the drive belt and start the engine; if the whine stops, the alternator or another belt-driven component is the likely source.

Conversation Summary

The owner of a 1983 Ford Fairmont hears an engine whine around 10-20 mph and 30-40 mph, most noticeable while decelerating through 40-30 mph. The stereo and amp were ruled out, and the transmission fluid and grounds appeared fine. The expert suggested a bad alternator bearing and recommended feeling the alternator for vibration or removing the belt and restarting to see whether the noise stops.

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