ECZ-9425B rear port


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By jdwilker - 10 Years Ago
Does anyone know what the rear port on the B-manifold is for? On some it appears to have a line running forward and on others it is plugged.
By aussiebill - 10 Years Ago
jdwilker (11/28/2015)
Does anyone know what the rear port on the B-manifold is for? On some it appears to have a line running forward and on others it is plugged.

Vacuum supply for brakes if required
By jdwilker - 10 Years Ago
Thanks Bill, another mystery solved.
By MoonShadow - 10 Years Ago
The heater control valve come off of there too.