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

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.   …

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