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Connection Diagram - Vacuum System

WARNING: This page is about a different car, the 2015 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Connection Diagram With Vacuum System
GWWA21-10755Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Vacuum Line
  2. Check Valve
    • Pay attention to the installed position.
  3. Cylinder Head Cover
    • with vacuum reservoir
  4. Vacuum Diaphragm
    • For boost pressure regulation
    • At turbocharger
  5. Vacuum Diaphragm Control Wire
    • from Wastegate Bypass Regulator Valve -N75- to the turbocharger vacuum diaphragm
  6. Wastegate Bypass Regulator Valve -N75-
  7. To the Brake Booster
  8. Check Valve
    • Pay attention to the installed position.
  9. Vent Line
  10. To air filter housing
  11. To the vacuum pump
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