Detroit Diesel MBE 4000 Service Manual page 576

15.2 GENERAL TROUBLESHOOTING
www.rtrucks.ru
The cylinder head gasket is damaged.
The oil/water heat exchanger is leaking.
There is an internal coolant leak.
The oil level is too low or too high.
The oil has not been changed within the recommended
interval.
The oil is not of the recommended quality.
The oil pressure gauge and/or sensor is not reading
correctly.
There is fuel in the oil.
The oil filter is clogged.
The oil filter bypass valve is damaged.
The oil pump and/or relief valve is damaged.
The fuel is of poor quality.
The intake air preheater is malfunctioning.
The valves are not adjusted properly.
15-10
www.rtrucks.ru
www.rtrucks.ru
Problem—There Is Coolant in the Engine Oil
Cause
Problem—There Is Foam in the Engine Oil
Cause
Problem—The Engine Oil Pressure Is Low
Cause
Problem—The Engine Exhaust Is White
Cause
www.rtrucks.ru
Remedy
Have an authorized dealer replace the head gasket.
Have an authorized dealer replace the heat exchanger.
Bring the vehicle to an authorized dealer for service.
Remedy
Correct the oil level.
Change the oil.
Change the oil.
Remedy
Bring the vehicle to an authorized dealer for service.
Bring the vehicle to an authorized dealer for service.
Replace the filter element.
Replace the bypass valve.
Have an authorized dealer replace the oil pump.
Remedy
Add fuel of the right quality.
Check the intake air preheater, and replace it, if
necessary.
Check the valve lash.
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
www.rtrucks.ru
www.rtrucks.ru