Troubleshooting Symptoms Charts
B3.9 and B5.9 Series Engines
Section TS - Troubleshooting Symptoms
Lubricating or Transmission Oil in the Coolant
This is symptom tree T108.
Check the bulk coolant supply. Drain the
coolant, and replace with noncontaminated
Bulk coolant supply is contaminated
coolant. Replace the coolant filters. Refer to
Check the oil cooler. Refer to Procedure
ubricating oil cooler is malfunctioning
orque converter cooler or hydraulic oil cooler
Remove and inspect the cooler cores and
o-rings. Refer to the OEM service manual.
gasket. Refer to Procedure 012-014 and the
Master Repair Manual, Holset Compressors,
porous, or has a leaking gasket
Bulletin No. 3666121.
Check the cylinder head gasket. Refer to
ylinder head gasket is leaking
Procedure 002-004 or 002-021.
Pressure-test the cylinder head. Refer to
ylinder head is cracked or porous
Inspect the cylinder block. Refer to Procedure
ylinder block is cracked or porous