• Tiny
  • nuzzymusic
  • 1988 Mercedes Benz 420sel
  • V8
  • 2WD
  • automatic
  • 167,000 miles

I have a 1988 420sel MB 167,000 miles when in idle there seems to be a loud metalic sound inside tje car you can hear aloud hum oil and water are good

Sunday, April 17th, 2011 AT 11:57 AM

1 Answer

  • Tiny
  • rivermikerat
  • Expert
  • 6,184 posts

Transmission fluid at proper level? Power steering fluid level. Possibly water pump, alternator, or AC compressor bearings going out.

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Sunday, July 17th, 2011 AT 2:30 AM

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