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Old 09-29-2003, 04:23 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
What model car?? on the W201 chassis(190) you must close the lever. ON almost all other USA cars since 1983 the climate control system releases vacuun & the vent is closed by spring pressure on the vacuum element.
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