Symptom Troubleshooting
Use the following guidelines as you troubleshoot an engine symptom:
Interview the operator about the problem before you begin troubleshooting, when possible.
Attempt to duplicate the problem. Try to duplicate the operating conditions, when possible.
Narrow the List of Possible Causes
Attempt to identify a common cause if there is more than one symptom. The specific procedure for a problem(s) is in the "Symptom Procedures" section of this manual.
The procedures in this manual provide the most efficient way to determine the root cause of the problem.
Provide Feedback to Caterpillar
After the correct repair has been performed on the engine, provide brief, detailed information to Caterpillar about the repair. This information helps Caterpillar better serve you and the customer.
Caterpillar Information System:
G3412C, G3508, G3512 and G3516 Engines Status Control Module Service Tools
G3412C, G3508, G3512 and G3516 Engines Status Control Module General Information
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050} Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
3512B Generator Set Engine Pressure Transducer
3512B Generator Set Engine Pressure Contactor
3500B Locomotive Engines Cylinder Head Valves
C27 and C32 Industrial and Petroleum Engines Vibration Damper and Pulley
2009/04/20 An Improved Radio Power Converter is used on Excavators. {1408, 1421, 7338}
C18 Generator set and C18 Marine Engines Vibration Damper and Pulley - Remove and Install
2008/09/08 Procedure for Crankshafts that will not Rotate after Installation during a Rebuild {1000, 1202}
TH48-E80 Oil/Gas Transmission Torque Converter - Install
3508C, 3512C and 3516C Locomotive Engines Prelube Pressure Switch
G3412C, G3508, G3512 and G3516 Engines Status Control Module Engine Cranks but Does Not Start
320 Variable Gauge OEM Undercarriage Machine System Specifications Travel Motor Lines
3512B Generator Set Engine Thermocouple
C32 Petroleum Generator Sets Generator Bearing - Inspect
3512C Engine for 785D Off-Highway Truck/Tractors Turbocharger Exhaust Temperature Sensor
2008/08/01 The Intake Valve Actuator Response Test Is Updated {1130}
3512C Engine for 785D Off-Highway Trucks/Tractors Turbocharger
2009/09/07 An Improved Exhaust Seal for the Exhaust Bypass Is Used {1057}
2008/07/21 Guidelines for the Replacement of Fuel Injectors {1251, 1290}
New Secondary Fuel Filter{1261} New Secondary Fuel Filter{1261}
2008/09/01 Improved Exhaust Bellows and Exhaust Bellows Seals Are Used {1059}
2008/08/01 A New Injector Harness and Valve Cover Base are Used {1120, 1408, 1900}