Cooling System Diagnosis; Excessive System Pressure; Cooling Fluid Consumption; Oil In The Fluid - Gilera GP 800 i.e. Service Station Manual

Cooling system
diagnosis

Excessive system pressure

1 - Check the expansion tank cap efficiency.
N.B.
THE CAP IS EQUIPPED WITH A PRESSURE RELIEF VALVE CALIBRATED AT 0.9 BAR.
There is also a valve that must allow air inlet during the cooling step.
YES go to 2 NO go to 3
2 - Check the head gasket seal (see «Thermal group and timing system» chapter)
3 - Replace the cap.

Cooling fluid consumption

1 - Check the system outside seals as described above.
YES go to 2 NO go to 3
2 - Check the head gasket seal (see «Thermal unit and timing system» chapter)
- If water leaks are detected in the engine oil, inspect the pad on the head cooling circuit.
3 - Fix any damaged seals.

Oil in the fluid

1 - Oil into the coolant.
YES go to 2
2 - Check the head gasket seal (see «Thermal group and timing system» chapter)
COOL SYS - 8
GP 800 i.e.