A4 Mk3
Vacuum system |
1 - | Exhaust gas recirculation cooler change-over valve -N345- |
2 - | Coolant valve for cylinder head -N489- |
3 - | Vacuum unit |
q | For exhaust gas recirculation cooler |
4 - | Non-return valve |
5 - | To brake servo |
6 - | Shut-off valve |
q | For coolant |
7 - | Vacuum connection |
q | On sump (top section) |
q | To vacuum pump |