S-3
07-E3B SERIES, WSM
ENGINE
W1037777
Symptom Probable Cause Solution
Reference
Page
Deficient Output Incorrect injection timing Adjust S-27
Engine’s moving parts seem to be seizing Repair or replace –
Injection pump malfunctioning Repair or replace S-29, 62
Deficient nozzle injection Repair or replace
nozzle
S-30, 46
Compression leak Check the
compression
pressure and repair
S-22,
45 to 51
Gas leak from exhaust system Repair or replace S-35, 41
Air leak from compressor discharge side Repair or replace S-35, 41
Air cleaner dirty or clogged Clean or replace G-12, 25
Compressor wheel turning heavily Replace the
turbocharger
assembly
S-35, 41
Excessive Lubricant
Oil Consumption
Piston ring’s gap facing the same direction Shift ring gap
direction
S-74, 75,
76
Oil ring worn or stuck Replace S-74, 75,
76, 101
Piston ring groove worn Replace piston S-74, 75,
76, 101
Valve stem and valve guide worn Replace S-52, 85
Crankshaft bearing and crank pin bearing worn Replace S-73, 75,
76, 103
to 106
Oil leaking due to defective seals or packing Replace –
Fuel Mixed into
Lubricant Oil
Injection pump’s plunger worn Repair or replace S-29, 62
Deficient nozzle injection Repair or replace
nozzle
S-30, 46
Injection pump broken Replace S-29, 62
Water Mixed into
Lubricant Oil
Head gasket defective Replace S-49, 50,
51
Cylinder block or cylinder head flawed Replace S-84
Low Oil Pressure Engine oil insufficient Replenish G-7, 9
Oil strainer clogged Clean S-72
Relief valve stuck with dirt Clean S-66, 110
Relief valve spring weaken or broken Replace S-66, 110
Excessive oil clearance of crankshaft bearing Replace S-77, 106
Excessive oil clearance of crankpin bearing Replace S-73, 104,
105
Excessive oil clearance of rocker arm Replace S-48, 87
Oil passage clogged Clean –
Different type of oil Use specified type of
oil
G-6, 9
Oil pump defective Replace S-24, 110
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