Cummins

TSB140061 – ISL/QSL and ISC/QSC External Oil Leaks From Oil Pan and Oil Pan Gasket

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Cummins

NHTSA ID Number: 10162092 Manufacturer Communication Number: TSB140061-051420 Summary This Technical Service Bulletin describes the verification and resolution of repeated external oil leaks from the lubricating oil pan and lubricating oil pan gasket for the same engine serial number (ESN), or multiple ESNs in the same application and operating environment with complaints of an external oil leak … Read more

TSB150057 – Aftertreatment Outlet NOx Sensor Water Intrusion Resulting in Fault Code 1887, 3583, or 3545

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Cummins

NHTSA ID Number: 10162093 Manufacturer Communication Number: TSB150057-051720 Summary This Technical Service Bulletin describes the verification and resolution of water intrusion that may cause the malfunction of the aftertreatment outlet NOx sensor resulting in Fault Code 1887, 3583 or 3545 on certain aftertreatment configurations. A NOx sensor bolt-in water shield may be required to be installed. This … Read more

TSB170002 – Injector Sleeve Seal Leakage Causing Fuel and Coolant Cross-Contamination

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Cummins

NHTSA ID Number: 10162095 Manufacturer Communication Number: TSB170002-050720 Summary This Technical Service Bulletin describes the verification and resolution of injector sleeve seal leakage causing fuel and coolant cross-contamination. Shrinkage of injector sleeve seal material can create a leak path between cylinder head cooling jacket and injector bore. This is an update to a previously submitted communication.   … Read more

TSB170004 – Injector Sleeve Seal Leakage Causing Fuel and Coolant Cross-Contamination

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Cummins

NHTSA ID Number: 10162096 Manufacturer Communication Number: TSB170004-050720 Summary This Technical Service Bulletin describes the verification and resolution of injector sleeve seal leakage causing fuel and coolant cross-contamination. Shrinkage of injector sleeve seal material can create a leak path between cylinder head cooling jacket and injector bore. This is an updated to a previously submitted communication.   … Read more

TSB190059 – Water Pump Belt Squeal or Jump on Front End Accessory Drive

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Cummins

NHTSA ID Number: 10162097 Manufacturer Communication Number: TSB190059-050320 Summary This Technical Service Bulletin describes the verification and resolution of water pump belt squeal or jump on front end accessory drive. A shorter water pump drive belt was introduced to increase belt tension, reduce belt squeal, and belt jumping teeth on idler.   2 Affected Products Equipments CUMMINSeBay … Read more