Thread: W123. My experience with replacing all AC vacuum elements without removing the dash.
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Old 09-30-2019, 07:51 PM
okyoureabeast's Avatar
okyoureabeast okyoureabeast is offline
Rogue T Tolerant
  
Join Date: Jul 2009
Location: North America
Posts: 1,675
Tip for others out there. Bad switch over valves and their rubber connectors can make for non functioning dash vents.

Worth checking. The rubber connectors collapsed and blocked vacuum. I was pleasantly surprised to have a fully working dash vent system when I replaced them.
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