7 - TROUBLESHOOTING
7 - TROUBLESHOOTING
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Fault code resolution
Engine - Troubleshooting
NOTE:
This chapter describes the easy diagnostic methods for engine-related problems and the remedies for them.
If you cannot find the cause of a problem or solve a problem, consult the NEW HOLLAND CONSTRUCTION dealer.
Problem
Possible Cause
Correction
The engine oil pressure
indicator light appears
when the engine speed is
raised after completion of
warm up
Low oil level
Add the oil to the specified level
Clogging in oil filter
Replace the oil filter cartridge
Oil leaks
Check the correct tightening torque of pipes
and joints
Defect in cluster
See your authorized dealer
Steam is emitted from the
top part of the radiator
(the pressure valve).
Coolant level warning
light appears.
Low coolant level
Supply the coolant and check leakage
Incorrect tension of fan belt
Adjust fan belt tension
Dirty cooling system
Wash out inside of cooling system
Dirty or damage on radiator fin
Clean the radiator fin or see your autho-
rized dealer.
Defect on thermostat
See your authorized dealer
Incorrect tightening torque of radiator cap Tighten the radiator cap firmly or replace
the packing of it
Defect in cluster
See your authorized dealer
The engine does not start
when the starting motor is
turned over
Low fuel level
Add fuel
Air leaking in the fuel system
See your authorized dealer
Defect or damage in the fuel injection pump
or in the nozzle
See your authorized dealer
Incorrect valve clearance
See your authorized dealer
Incorrect engine compression pressure
See your authorized dealer
Exhaust gas is white or
blue
Wrong oil quantity
Adjust to specified oil quantity
Wrong fuel
Replace with specified fuel
Exhaust gas occasionally
turns black
Air cleaner element dirty or damaged
Clean or replace the air cleaner element
Defect in nozzle
See your authorized dealer
Wrong engine compression pressure
See your authorized dealer
Combustion noise
occasionally changes
to breathing sound
Defect in nozzle
See your authorized dealer
Unusual combustion
noise or mechanical noise
Wrong fuel
Check with specified fuel
Over-heating
Check over-heating
Defect in muffler
See your authorized dealer
Incorrect valve clearance
See your authorized dealer
7-1
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