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Vacuum Issue

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Jun 19, 2021
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Claxton Georgia
Got the heater box back in my 72 Challenger but having trouble with vacuum tube routing ! Especially one from engine compartment ? Any guide to vacuum routing diagrams and where vacuum originally came from engine??
 

Challenger RTA

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firewall holes
 

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moparleo

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The nipple on the rear of the intake manifold that has 2 fittings . A large one for power brake booster vacuum and a very small on that id curved to point up that the small vacuum line attaches to. As for the rest, there is a diagram in your Factory Service Manual that has that info. You will usually find most answers in the Manual.
 

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