Crankcase Fumes Disposal Tube Has Oil Draining
`
C9.3 Engines for Caterpillar Built Machines
[KENR5393]
C9.3 Engines for Caterpillar Built Machines
Fuel Filter Is Restricted
C9.3 Engines for Caterpillar Built Machines
Electronic Service Tool Does Not Communicate
LUBRICATION SYSTEM
FUMES DISPOSAL GP
C9.3 Engines for Caterpillar Built Machines
Crankcase Fumes Disposal Tube Has Oil Draining
1.1. Probable Cause
2.1. Recommended Actions
Probable Cause
Show/hide table
![]() | |
Illustration 1 | g02211761 |
(1) Crankcase pressure sensor (2) Crankcase filter housing (3) Fumes disposal tube (4) Oil drain tube |
Show/hide table
![]() | |
Illustration 2 | g02013955 |
Left side of the engine (5) Check valve |
Recommended Actions
Show/hide table
Troubleshooting Test Steps     | Values     | Results     |
1. Check Valve A. Inspect the check valve at the bottom of the oil drain tube has failed.     |
Check Valve     |
Result: The check valve was damaged. Repair: Replace the check valve. Verify the repair.     |
If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).
Information System:
C13, C15, and C18 Tier 4 Interim Engines
System Overview
C11, C13, C15, and C18 Industrial Engines
General Information
C13 Engines for Caterpillar Built Machines
Air Cleaner - Remove and Install
C13, C15, and C18 Tier 4 Interim Engines
Fuel Consumption Is Excessive
C9.3 Engines for Caterpillar Built Machines
Fuel Filter Is Restricted
C15 and C18 Tier 4 Final Engines
Air Inlet and Exhaust System
C3.4B Industrial Engine
Cold Weather Starting
C9.3 Engines for Caterpillar Built Machines
Fuel Priming Pump - Remove and Install
2009/05/18
Turbocharger Compressor Wheel {1052, 1053}
2009/06/01
Correction to System Operation Testing and Adjusting , "Piston Pump (Hydraulic Fan) Pressure - Test and Adjust" {5070}
2009/06/01
Correction to System Operation Testing and Adjusting , "Piston Pump (Hydraulic Fan) Pressure - Test and Adjust" {5070}
2009/06/01
Correction to System Operation Testing and Adjusting , "Hydraulic Fan System" {1386, 1387, 5050}
C11, C13, C15, and C18 Industrial Engines
Exhaust System Contains Oil
C13, C15, and C18 Tier 4 Interim Engines
Exhaust Temperature Is High
C13 Engine for Caterpillar Built Machines
Engine Control Module - Remove and Install
C13, C15, and C18 Tier 4 Interim Engines
Component Location
D7E Track-Type Tractor Power Train
Track - Connect - SystemOne Track
C13, C15, and C18 Engines for Caterpillar Built Machines
Factory Passwords
C9.3 Engines for Caterpillar Built Machines
Electronic Service Tool Does Not Communicate
C9.3 Engines for Caterpillar Built Machines
Test ECM Mode
904H Compact Wheel Loader
Maintenance Interval Schedule
C9.3 Tier 4 Final Engines
Fuel System
C9.3 Tier 4 Final Engines
Air Inlet and Exhaust System
C9.3 Tier 4 Final Engines
Fuel Filter Base