4.3 Vortec Vacuum Line Diagram

Vacuum vortec supposed mechanicadvice 4.3 vortec 2001 chevy blazer can anyone tell me where this vacuum line Chevy vortec engine diagram

4.3 vortec 2001 Chevy blazer can anyone tell me where this vacuum line

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Chevy Vortec Engine Diagram

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4.3 vortec 2001 Chevy blazer can anyone tell me where this vacuum line