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Speedy Squirrel Speedy Squirrel is offline
Rocket Scientist
 
Join Date: Jun 2008
Location: Detroit
Posts: 936
There are two noises in the 1988 930. One is a gurgling sound as the t-stat opens and sends oil to the cooler. The other is a faint whir sound when the little electric fan on the front-right side kicks in. I think maybe you have something interfering with the fan blades, or the fan motor itself has gone bad.
Old 09-06-2010, 12:58 PM
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