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Old 08-07-2003, 08:10 AM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Vacuum supply to the switch-over valve assembly is the KEY to correct operation on the W201 chassis A/C system. Just to the right of the glove box inner liner is the switch-over valve(s), you need to check vacuum supply there.
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