VM Motori D700 Gebrauchsanweisungenhandbch Seite 117

Problem
The engine does not rea-
ch the operating speed
Emission of black smo-
ke from the exhaust pipe
Light emission of white
smoke from the exhaust
pipe
Abundant emission of
white smoke from the
exhaust pipe
The pressure
gauge shows a
too low engine
oil pressure and
the correspon-
ding warning li-
ght comes on
The coolant tem-
perature war-
ning light comes
on
English
Cause
Clogged fuel filter
Presence of air in the fuel supply circuit
Injection pump malfunction
Dirty or faulty injectors
Water and/or impurities in the fuel
Clogged air filter
Insufficient combustion air flow
Engine overheating
Overload
Dirty or faulty injectors
Faulty turbocharging turbine
Oil level too high
Worn segments
Worn valve guideways
Burnt gasket head
Water pump malfunction
Replace the belt
Thermostat valve malfunction
Coolant too low
Failure of pressure gauge
Oil level too low
Oil pump failure
Faulty sensor
Engine oil filter blocked
Coolant too low
Stucked overpressure valve of the load
plug
Water pump malfunction
Thermostat valve malfunction
Broken or worn belt
- 55 -
D700/750 E2-E3
Remedy
Replace filter (See "Fuel filter replacement")
Carry out bleeding (See "Fuel supply circuit
bleeding")
Apply to an authorised workshop
Replace the injectors.
Apply to an authorised workshop
Apply to an authorised workshop
Clean or replace the filter
Apply to an authorised workshop
Apply to an authorised workshop
Reduce the load
Replace the injectors.
Apply to an authorised workshop
Replace the turbine.
Apply to an authorised workshop
Adjust the oil level
Check compression.
Apply to an authorised workshop
Check wear.
Apply to an authorised workshop
Apply to an authorised workshop
Replace the pump.
Apply to an authorised workshop
See "Belt replacement"
Replace the valve.
Apply to an authorised workshop
Top up, if necessary (See "Fuel supply circuit
bleeding")
Check or replace the pressure gauge.
Apply to an authorised workshop
Adjust the oil level (See "Engine oil level con-
trol")
Check or replace the pump.
Apply to an authorised workshop
Check and, if appropriate, replace the sensor.
Apply to an authorised workshop
Replace the engine oil filter (See "Oil filter
cartridge replacement")
Adjust the engine coolant level (See "Engine
coolant level check")
Replace the plug
Replace the pump.
Apply to an authorised workshop
Replace the valve.
Apply to an authorised workshop
Replace the belt (See "Belt replacement")
Information about failures
GB