Engine Brake Loss
Mack technical service bulletin FSB 253-002 for 2011-2015 Mack Gu and 2011-2015 Mack Cxu.
- Bulletin number
- FSB 253-002
- Component
- Service brakes
- Summary
- Engine Brake Loss. Certain Euro 4 MACK vehicles built from January 14, 2010 to February 15, 2014 may experience engine brake loss in top gear. Check the Engine ECU Dataset 2 part number and compare to the chart below.
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