07.1-500 Vacuum diagrams
Engine 601 model year 1988
Engine 601.91 and engine 602.91 codes 830 and 960 model year 1989/90
Code 62/0 as of June 1990
model year 1991
Vacuum circuit diagram exhaust gas recirculation with automatic transmission
Y27 | Change-over valve AGR |
Y28 | Change-over valve vacuum control flap |
a | Ventilation to vehicle interior |
b | Key cut-out |
c | Remaining users |
d | Vacuum unit automatic transmission |
e | Brake booster |
Vacuum connections on vacuum transducer | |
VAC | - Vacuum from vacuum pump |
VCV | - To vacuum control valve |
ATM | - Ventilation to vehicle interior |
EGR | - Exhaust gas recirculation to exhaust gas recirculation valve |
1 | Injection pump |
2 | Governor |
4 | PLA unit |
5 | ADA unit |
6 | Vacuum unit (stop) |
60 | ARF valve |
61a | Choke blue only M601 model year 1988 |
61b | Choke orange |
61c | Choke 0.5 mm orifice diameter |
62 | Filter |
62b | Ventilation filter with choke orifice |
62c | Ventilation filter |
65 | Vacuum control valve |
67 | Vacuum pump |
72 | Damper |
99 | Vacuum control flap |
100 | Vacuum unit/vacuum control flap |
123 | Transducer |
128a | Thermovalve closes at approx. 30 °C |
140 | Check valve brake booster |