Industry Alert: Symptom Cluster – Rough Idle, Stalling Under Acceleration, & Fluctuating Exhaust – Hidden Signs of Air Intrusion in Caterpillar C7/C9/C13/C15 Fuel Systems
Industry Alert: Symptom Cluster – Rough Idle, Stalling Under Acceleration, & Fluctuating Exhaust – Hidden Signs of Air Intrusion in Caterpillar C7/C9/C13/C15 Fuel Systems Date: April 8, 2026 | Source: Global Heavy Duty Diesel Technology Bulletin For Caterpillar C7, C9, C13, and C15 heavy-duty diesel ...
Industry Alert: Air Intrusion in Fuel Systems – The Hidden Culprit Behind Caterpillar C7/C9/C13/C15 Engine Failures
Industry Alert: Air Intrusion in Fuel Systems – The Hidden Culprit Behind Caterpillar C7/C9/C13/C15 Engine Failures Date: April 8, 2026 | Source: Global Heavy Duty Diesel Technology Bulletin For Caterpillar C7, C9, C13, and C15 heavy-duty diesel engines—workhorses of mining, construction, and ...
Industry Alert: Internal Leakage of Fuel Transfer Pump Oil Seals – Hidden Hazard Damaging Caterpillar C7/C9/C13/C15 Engines
Industry Alert: Internal Leakage of Fuel Transfer Pump Oil Seals – Hidden Hazard Damaging Caterpillar C7/C9/C13/C15 Engines Date: April 8, 2026 | Source: Global Heavy Duty Diesel Technology Bulletin As the core power transmission component of Caterpillar C7, C9, C13, and C15 heavy-duty diesel fuel ...
Industry Alert: Scratched Joint Sealing Surfaces & Misaligned Copper Washers – Overlooked Faults Triggering Catastrophic Fuel System Failures in Caterpillar C7/C9/C13/C15 Engines
Industry Alert: Scratched Joint Sealing Surfaces & Misaligned Copper Washers – Overlooked Faults Triggering Catastrophic Fuel System Failures in Caterpillar C7/C9/C13/C15 Engines Date: April 7, 2026 | Source: Global Heavy Duty Diesel Technology Bulletin In the precision fuel system of Caterpillar C7...
Scratched joint sealing surface and misaligned copper washer
Industry Alert: Scratched Joint Sealing Surfaces & Misaligned Copper Washers – Overlooked Faults Triggering Catastrophic Fuel System Failures in Caterpillar C7/C9/C13/C15 Engines Date: April 7, 2026 | Source: Global Heavy Duty Diesel Technology Bulletin In the precision fuel system of Caterpillar C7...
Scratched joint sealing surface and misaligned copper washer
Industry Alert: Scratched Joint Sealing Surfaces & Deformed Copper Washers – Overlooked Faults Triggering Air Intrusion & Fuel Leaks in Caterpillar C7/C9/C13/C15 Engines Date: April 7, 2026 | Source: Global Heavy Duty Diesel Technology Bulletin In the high-pressure fuel system of Caterpillar C7, C9, ...
Microcracks in the fuel inlet line (more dangerous in the negative pressure section)
Industry Alert: Microcracks in Fuel Suction Lines – Hidden Hazards, Especially Dangerous in Negative Pressure Zones, Endangering Caterpillar C7/C9/C13/C15 Engines Date: April 6, 2026 | Source: Global Heavy Duty Diesel Technology Bulletin In the high-pressure fuel system of Caterpillar C7, C9, C13, ...
The Real Root Causes of Air Intrusion into the Fuel Pump
Industry Alert: The True Root Causes of Air Intrusion Into Fuel Pumps — Hidden Failures Behind Intermittent Stalling & No-Start in Caterpillar C7/C9/C13/C15 Engines Date: April 6, 2026 | Source: Global Heavy Duty Diesel Technology Bulletin Air intrusion into the fuel pump is one of the most ...
Fuel supply interruption and failure to start
Industry Alert: Fuel Supply Interruption & Failure to Start – Catastrophic Faults Plaguing Caterpillar C7/C9/C13/C15 Engines Date: April 3, 2026 | Source: Global Heavy Duty Diesel Technology Bulletin For Caterpillar C7, C9, C13, and C15 heavy-duty diesel engines—workhorses of mining, construction, ...
