VM Motori R754EU5 Instructions Pour L'emploi page 123

Problem
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 corresponding warning light
comes on
The coolant temperature warning
light comes on
English
R750EU5 - IE3 - TE4 - IE4 - ISE4
Cause
oil level too high
Worn segments
Worn valve guideways
Burnt gasket head
Water pump malfunction
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
59
Remedy
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
Replace the belt (See "Changing
the belt (type Poly-V)")
Replace the valve
Apply to an authorised workshop
Top up, if necessary (See
"Engine coolant level check")
Check or replace the pressure
gaug
Apply to an authorised workshop
Adjust the oil level (See "Engine
oil level control")
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
Ed.8 / 0-202
GB