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Old 07-19-2002, 08:37 PM
Ali Al-Chalabi's Avatar
Ali Al-Chalabi Ali Al-Chalabi is offline
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Join Date: Nov 2000
Location: Knoxville, TN
Posts: 1,837
The air distribution system is vacuum operated. The source is the engine. Check to see if the switchover block is operating. If it is, then there is probably a vacuum line loose. I had the same problem with the air distribution system before, the vacuum line that connects to the intake manifold had disconnected. Check to make sure that there is a vacuum source for the system first.
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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record
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