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June 1, 2012 Service bulletin

Navistar: on certain maxxforce engines, a repair procedure is provided for cracks during truck operation...

International technical service bulletin AFC-12905 for 2011-2012 International Prostar, 2011-2012 International Lonestar and 2011-2012 International Workstar and others.

Bulletin number
AFC-12905
Component
Engine and engine cooling: exhaust system: emission control: gas recirculation valve (EGR valve)
Summary
Navistar: on certain maxxforce engines, a repair procedure is provided for cracks during truck operation and causing engine damage, including harness. Egr valve and egr inlet tubes to be replaced, if affected.

Owners of these vehicles have filed 5 complaints in the engine category.

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