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Old 04-09-2003, 05:22 PM
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pmizell pmizell is offline
Benz Zealot
Join Date: Jun 2001
Location: Houston, Texas
Posts: 838
Arthur D wrote:

You also have to block the vac line from the AIR swith-over-valve to the AIR control valve. The SOV is wired in parallel with the pump connector and will still open with the pump unplugged..
A BB in the line works here....
Arthur, are you saying the AIR clutch still engages with the vac line still connected? Could you explain please what blocking the SOV vac line accomplishes? Thanks
'01 E430, Sport 72,000 mi
'98 C280, 126,500 mi
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