Operation CHARM: Car repair manuals for everyone.

Cooling System: Diagrams



Coolant Circuit (3-phase)





A From the coolant pump to the crankcase
B From the cylinder head to the inlet pipe and bypass duct
C From the inlet pipe to the radiator
D From the radiator to the thermostat
E From the circulation pump to the coolant pump
F Radiator
G Vent hose from radiator to expansion tank
H Expansion tank (in bypass circuit) with coolant level indication
J Plug with pressure relief and vacuum valve
K Overflow hose
L Overflow tank (only with air conditioner/automatic climate control)
N From cylinder head/intake manifold to heat exchanger
P Heat exchanger
Q Mono valve
R Circulation pump electric
S Coolant filling hose
T Vent hose from inlet pipe
U Vent valve
1 Main valve coolant thermostat 80 °C
2 Bypass valve