Coolant leaks at intercooler
Cause
Corrective action
Major coolant discharge at
charge-air cooler. Charge-air
cooler leaky.
u
Contact Service.
Black exhaust gas
Cause
Corrective action
Air filter clogged.
u
Check signal ring position of contamination indicator
(→ Page 184).
Injector faulty.
u
Replace (→ Page 163).
Injection pump faulty.
u
Replace (→ Page 159).
Overload.
u
Contact Service.
Blue exhaust gas
Cause
Corrective action
Too much oil in engine.
u
Drain engine oil (→ Page 188).
Oil separator or oil preseparator
of crankcase breather clogged.
u
Replace (→ Page 152).
Exhaust turbocharger faulty.
u
Contact Service.
Cylinder head is faulty.
u
Contact Service.
Piston rings are defective.
u
Contact Service.
Cylinder liner defective.
u
Contact Service.
White exhaust gas
Cause
Corrective action
Engine is not at operating
temperature.
u
Run engine to reach operating temperature.
Water in fuel.
u
Check fuel system at fuel prefilter.
Drain fuel prefilter (→ Page 176).
Charge-air cooler leaky.
u
Contact Service.
132 | Troubleshooting | MW15406/17E 2014-05
TIM-ID: 0000042073 - 001
Summary of Contents for MW15406/17E
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Page 20: ...Fuel system covers 20 General Information MW15406 17E 2014 05 TIM ID 0000002178 006...
Page 21: ...MW15406 17E 2014 05 General Information 21 TIM ID 0000002178 006...
Page 22: ...Lube oil system covers 22 General Information MW15406 17E 2014 05 TIM ID 0000002178 006...
Page 23: ...MW15406 17E 2014 05 General Information 23 TIM ID 0000002178 006...
