Iveco Daily. Manual — part 58
Injection pump timing correct.
NO
YES
Fuel filters serviceable.
Replace, proceeding as described in the
“Use and maintenance” booklet.
Fuel circuit serviceable.
Check and repair as required.
Thermostat serviceable.
Check operating and adjust.
Feed pump serviceable.
Replace.
Injectors serviceable.
Replace.
Check correct timing as described in the relevant
section.
NO
YES
NO
YES
NO
YES
NO
YES
NO
3
NO
YES
Injection pump adjusted as specified.
Check and adjust the injection pump on the bench.
(continued)
ENGINE LACKS POWER
214
ENGINES 8140.43C/63
D
AILY
Base - May 2004
Check correct timing as described in the relevant
section.
NO
YES
NO
YES
NO
NO
YES
NO
YES
NO
Compression ratio as specified.
Using tool 99395682 Motometer, check the specific
coupling and make the necessary repairs.
Turbocharger efficient (engine 8140.43C.4..).
Repair or replace the unit.
L.D.A. device and circuit efficient (engine 8140.43C.4..)
Check.
4
ENGINE EMITS BLACK
OR DARK GREY SMOKE
NO
YES
NO
YES
(continued)
Air filter serviceable.
Replace.
Starter heater serviceable.
Replace.
Automatic boost device cutting in.
Check and replace if necessary.
Injectors serviceable.
Check their operation and set them or replace them.
Injection pump timing correct.
ENGINES 8140.43C/63
215
D
AILY
NO
YES
NO
YES
NO
YES
NO
NO
NO
YES
L.D.A. device efficient (engine 8140.43C.4..)
Adjust the L.D.A. device using tool 99309002.
NO
YES
NO
YES
Injection pump adjusted as specified.
Check injection pump and adjust on bench.
Compression ratio as specified.
Using tool 99395682 Motometer, check the specific
coupling and do the necessary work.
Good quality diesel fuel.
Clean the tank and replace the diesel filters.
5
ENGINE EMITS GREY (WHITISH)
SMOKE
Thermostat operating correctly.
Replace.
Injectors serviceable.
Check their operation and set them or replace them.
Injection pump timing correct.
Check correct timing as described in the relevant
section.
Coolant level correct.
Coolant probably entering combustion chamber;
replace cylinder head gasket or overhaul the engine.
(continued)
216
ENGINES 8140.43C/63
D
AILY
Base - May 2004
NO
Good quality diesel fuel.
Clean the tank and replace the diesel filters.
7
6
ENGINE EMITS BLUE SMOKE
ABNORMAL KNOCKING
FROM THE ENGINE
Excessive oil consumption.
Check oil breather, cylinder compressions.
If necessary, overhaul the cylinder head or engine.
Knocking coming from crankshaft.
Check main journals for clearance and ovality, tightness of
main bearing cap bolts and flywheel bolts, oil pressure.
Replace parts or overhaul the engine.
Knocking coming from connecting rods.
Check crankpins for clearance and ovality, tightness of
connecting rod cap bolts, connecting rods for distortion.
Replace parts or overhaul the engine.
Knocking coming from pistons.
Check clearance between pistons and cylinder liners,
piston rings for breaks, gudgeon pin to piston boss
clearances. Replace parts or overhaul the engine.
Knocking coming from cylinder head.
Check operating clearance between rocker arms and
valves, injection pump timing, valve timing. Adjust.
YES
NO
YES
NO
YES
NO
YES
NO
YES
YES
Knocking coming from timing gears.
Check gears and replace if necessary.
(continued)
ENGINES 8140.43C/63
217
D
AILY
ENGINE
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