Connection Diagram For Vacuum Hoses

Connection Diagram For Vacuum Hoses (vehicles With Engine Code BEW)







1 - Vacuum diaphragm
- For Exhaust Gas Recirculation (EGR) change-over
2 - Intake Manifold Runner Control (IMRC) Valve - N316 -
- For intake manifold change-over
3 - Exhaust Gas Recirculation (EGR) Cooler Switch-over Valve - N345 -*
- Checking
4 - Wastegate Bypass Regulator Valve - N75 -*
- Checking
5 - Check-valve
- White connection to Exhaust Gas Recirculation (EGR) Cooler Switch-over Valve - N345 -, item 3 and to Wastegate Bypass Regulator Valve - N75 -, item 4
6 - Vacuum reservoir
7 - Vacuum diaphragm
- With Turbocharger(TC) Vane Position Sensor - G500 -
- For boost pressure regulation
- Part of turbocharger
- Can only be replaced as complete unit with turbocharger
8 - Vacuum diaphragm
- For Intake Manifold Runner Control (IMRC)
9 - Vacuum connection
- Between tandem pump and brake booster