Vaccuum diagram

1999 PONTIAC GRAND AM
175,000 MILES • 3.4L • 6 CYL • 2WD • AUTOMATIC
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TAMMY L. NIEMAN
  • MEMBER
  • 6 POSTS
Needing a vacuum diagram; where can i find one?
Apr 15, 2019 at 7:07 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Welcome to 2CarPros.

I have attached two pictures indicating vacuum routing as well as what each port is for.

Let me know if this helps. If there is something specific you need, let me know.

Take care,
Joe
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Apr 15, 2019 at 7:42 PM
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SCGRANTURISMO
  • ✓ASE Certified Mechanic
  • 4,897 POSTS
  • ASE Certified Mechanic
Hello,

I have included the information that you have requestd in the diagrams down below. Please, feel free, to ask should you have any other automotive questions. That's what we are here for.

Thanks,
Alex
2CarPros
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Professional Diagram for 2CarPros Members
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Professional Diagram for 2CarPros Members
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Apr 15, 2019 at 8:03 PM
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