Cooling system (Opel Vivaro A)

Figure 4.110. Cooling system diagram: 1 - Engine; 2 - Radiator; 3 - Expansion tank; 4 - Heater radiator; 5 - Bypass valve diameter 11 mm; 6 - Immersion heater housing (if they exist); 7 - Cooling system pump; 8 - Water-oil cooler; 9 - Thermostat; 10 - Air bleed valve; 11 - Additional heater;12 - Regulator diameter 3 mm.