N.B.
TO AVOID DEFORMATION, DO NOT LUBRICATE THE O-RING WITH PETROLEUM GREASE.
CAUTION
FAILURE TO OBSERVE THIS PRECAUTION WILL IRRETRIEVABLY DEFORM THE O-RING.
- Refit the water pump cover and tighten the 6 fixing screws to the prescribed torque.
N.B.
FOR CHANGING THE COOLANT AND BLEEDING THE SYSTEM, SEE THE "COOLANT CHANGE"
SECTION.
Locking torques (N*m)
Water pump cover screws
3 - 4
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 outer seals as described above.
YES go to 2 NO go to 3
2 - Check the head gasket seal (see «Thermal group 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 - Presence of oil in the coolant.
YES go to 2
2 - Check the head gasket seal (see «Thermal group and timing system» chapter)
Cooling system
MP3 500 ie SPORT Business LT (2011)
COOL SYS - 352
Содержание MP3 500 ie SPORT Business LT 2011
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Страница 375: ...T Tank 365 Transmission 10 51 118 133 Turn indicators 75 Tyres 12 V Vehicle 8 113 ...