Thread: fast clicking noise under dash 91 300E W124???
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Old 11-19-2007, 01:08 PM
brewtoo brewtoo is offline
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Join Date: Dec 2000
Location: AL
Posts: 1,219
It's the vacuum manifold that directs vacuum to the different pods on the heater box. You can access it thru the glove box.
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2012 E350
2006 Callaway SC560
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