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Diesel Engine Troubleshooting Symptoms
37
Oil Level Rises
This is symptom tree T-015.
Cause Correction
Rear crankshaft seal or seal surface is
damaged
Repair or replace seal and surface
OK
Auxiliary equipment has damaged pump seal
Replace the auxiliary pump. Refer to the OEM’s
service manual.
OK
Injector sleeve is damaged
Replace the injector sleeve.
OK
Fuel injector is leaking inside cylinder head
Replace the injector.
OK
Injector pump seal is leaking
Remove and repair the injection pump.
OK
Cylinder head or head gasket is cracked or
damaged
Replace the cylinder head or gaeket.
OK
Cylinder block is cracked or porous
Replace the cylinder block.