2005 vac box

[George Hogg]

Does anyone have a diagram for a 2005 Vac box showing where the various pipes go to please.

 

[audifan]

George are you talking about the tdi BHC controller?

Is this any good?

Audi Workshop Service and Repair Manuals > A2 > Power unit | 3-cylinder TDI unit injector engine (1.4 ltr. 2-valve), mechanics | Exhaust turbocharger, G-charger | Checking charge air system with turbocharger | Diagram of vacuum hose connections

A2 > Audi Workshop Service and Repair Manuals > Power unit | 3-cylinder TDI unit injector engine (1.4 ltr. 2-valve), mechanics | Exhaust turbocharger, G-charger | Checking charge air system with turbocharger | Diagram of vacuum hose connections

workshop-manuals.com

 

[Robin_Cox]

does this help at all?

vacuum system; exhaust gas recirculation Audi A2 (A2) 2003 year Audi EUROPA 131005

vacuum system<br/>exhaust gas recirculation Audi A2 (A2) 2003 year Audi EUROPA 131005 spare parts

audi.7zap.com

 

[audifan]

Between the 2 diagrams you should be able to trace the hoses and their intended use. Be aware there has been occasions where at least one of those pipes has become blocked with debris.