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  #1  
Old 08-05-2016, 10:14 AM
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high pitched noise inside dash - 82 380SL

comes & goes. Any fans behind the dash?

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  #2  
Old 08-05-2016, 10:19 AM
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Check speedometer cable for lube where it enters speedo head.
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Old 08-05-2016, 11:59 AM
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Quote:
Originally Posted by rocky raccoon View Post
Check speedometer cable for lube where it enters speedo head.
thanks rocky, I'll check it out, Jack
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Old 08-05-2016, 01:05 PM
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Heater blower if the sound comes from the center, air sampler if its on the right, speedo or cable if its on the left
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Old 08-08-2016, 08:59 PM
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You didn't specify when the noise is happening.

On my 500SL, one of the vacuum pods for the HVAC system leaks. Sounds like someone letting air out of a balloon! A/C doesn't work anyway, so I have that vacuum line blocked off.

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