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I am trying to get my heater controls working, and I have the stock (?) vacuum canister (plastic). I have located the line that goes from the canister thru the firewall, but the other line is long gone. What size is the vacuum line that runs from the engine to the canister? A pic would be helpful. Any recommendations on where to pull vacuum from? carb? Intake? My EGR is blocked off.
I believe that the top port in the pic has a built in check valve, does this line go to the dash controls thru the firewall? Or is the top where the engine vacuum connects?
