Troubleshooting Symptoms Charts
B3.9 and B5.9 Series Engines
Section TS - Troubleshooting Symptoms
Engine Noise Excessive -- Piston
This is symptom tree T051.
Operate the engine from a tank of high-quality
fuel. Refer to the Operation and Maintenance
Fuel grade is not correct for the application, or
Manual, B Series Engines, Bulletin No.
the fuel quality is poor
Perform the automated cylinder performance
njector is malfunctioning
test. Replace injectors as necessary. Refer to
Measure and adjust the overhead settings.
verhead adjustments are not correct
Refer to Procedure 003-004.
Remove and inspect the connecting rods.
onnecting rod is bent or out of alignment
Refer to Procedure 001-014.
Check for air intake system leaks. Refer to
Procedure 010024. Check the pistons and
iston or piston rings are worn, or damaged
piston rings for wear or damage. Refer to
Procedure 001-043 and 001-047.
Remove the pistons and inspect the piston pin
iston pin or bushing is loose, worn, or not
and bushing for damage, wear, and correct
installation. Refer to Procedure 001-043.