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930 porsche 930 porsche is offline
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Join Date: Jul 2009
Location: Naples
Posts: 141
RPM drop

Mark, the auxilary air regulator does not open all the way but 1/4 of the way. It feels like there is a spring. When I take a small skinny screwdriver and try to open it up, it does it fine but then comes right back to closing itself 3/4 of the way. Does anybody have a picture of it open while cold? If it does not open all the way, does it mean that the spring is worn out? Is there anyway to retighten the spring?

JFairman, I did take the WUR apart and noticed that the bottom diaphragm was in good shape. blowing compress air to clean it very carefully without ripping it.
Old 02-23-2010, 11:46 AM
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