February 26, 2025
About the Practical Guide for Cummins ISM, ISMe, and QSM11
What This Guide Covers:
What This Guide Does NOT Cover:
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General Safety Instructions for Cummins ISM, ISMe, and QSM11
Work Area Safety
Personal Protective Equipment (PPE)
Battery and Electrical System Safety
Handling High-Pressure Fuel and Oil Systems
Lifting Heavy Components
General Repair Instructions for Cummins ISM, ISMe, and QSM11
Use the Right Tools
Inspection and Measurement
Fastening Sequences and Torque Considerations
General Cleaning Instructions for Cummins ISM, ISMe, and QSM11
Cleaning Engine Components
Cleaning Gasket Surfaces
Preventing Contamination
Acronyms and Abbreviations for Cummins ISM, ISMe, and QSM11
Final Notes on Servicing Cummins ISM, ISMe, and QSM11 Engines
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February 26, 2025
Applications Of These Engines (ISM, ISMe, & QSM11)
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February 19, 2025
Introduction
Summary
1. Fuel System Problems
Symptoms:
Causes:
Solutions:
2. Overheating Issues
Symptoms:
Causes:
Solutions:
3. Turbocharger Problems
Symptoms:
Causes:
Solutions:
4. EGR (Exhaust Gas Recirculation) System Issues
Symptoms:
Causes:
Solutions:
5. Crankshaft Position Sensor Failure
Symptoms:
Causes:
Solutions:
6. Electrical Problems
Symptoms:
Causes:
Solutions:
7. Cylinder Head Gasket Failure
Symptoms:
Causes:
Solutions:
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8. DPF (Diesel Particulate Filter) Clogging
Symptoms:
Causes:
Solutions:
9. Oil Leaks
Symptoms:
Causes:
Solutions:
Preventative Maintenance for the Cummins QSL 9
Conclusion
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February 19, 2025
Cummins Engine Torque Specifications by Model
Cummins 6B, 6BT, and 6BTA 5.9L Torque Specs
Cummins 4BT Torque Specs
Cummins 6C, 6CT, and 6CTA 8.3 Torque Specs
Cummins QSB 6.7L Torque Specs
Cummins QSC 8.3L Torque Specs
Cummins ISC 8.3 Torque Specs
Cummins ISL 8.9L Torque Specs
Cummins ISX Torque Specs
Cummins KTA 19 Torque Specs
Cummins N14 Torque Specs
Cummins 855 Torque Specs
Why Torque Specs Matter
1. Prevents Bolt Over-Tightening
2. Prevents Under-Torquing
3. Ensures Even Clamping Pressure
4. Prevents Fastener Fatigue and Improves Serviceability
5. Improves Performance and Efficiency
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February 14, 2025
Summary of Key Maintenance Tips
1. Regular Oil and Lubrication Maintenance
2. Cooling System Maintenance
3. Fuel System Maintenance
4. Air Intake and Turbocharger Maintenance
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5. Exhaust System and Emissions Control
6. Cylinder Head and Valve Adjustment
7. Electrical System Maintenance
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8. Preventive Maintenance for Long-Term Engine Health
Final Thoughts on Ensuring Long-Term Engine Reliability
Key Takeaways for Long-Term Reliability:
Looking Ahead: Keeping Your Cummins Engine in Top Shape
Below are two videos of our customer Imperial Diesel Service, rebuilding a Cummins 6BT [ Part 1 & 2]
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February 14, 2025
High-Quality Aftermarket Parts vs. OEM Parts
1. Advantages of High-Quality Aftermarket Parts
2. When to Choose OEM Parts
Choosing the Best Suppliers for Cummins Engine Components
1. How to Identify a High-Quality Aftermarket Supplier
Commonly Replaced Parts and Their Impact on Performance
1. Cylinder Head and Gaskets
2. Pistons, Rings, and Cylinder Liners
3. Fuel System Components (Injectors, Fuel Pump, Lift Pump)
4. Turbocharger and Air Intake System
5. Exhaust System and Emissions Control
6. Cooling System Components (Radiator, Water Pump, Thermostat)
Final Thoughts
Below are two videos of our customer Imperial Diesel Service, rebuilding a Cummins 6BT [ Part 1 & 2]
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