Q: heat D.O. No suction at vacuum cable to heat controler. Should fingers feel.

on 1997 Dodge Ram 2500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
pulled vacuum cable off heat controller.
(2) Answers
Is problem defrost only? Are you working at the in dash control unit, or under hood? You say vac. cable,, you mean vac. tubing (*cluster of 5*) on back of controller,, or single vac. hose under hood? Really need to know this for a more accurate answer!
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