49-14 - DEF
Western Star technical service bulletin 49-14 for 2002-2018 Western Star 4900, 2002-2018 Western Star 4700 and 2006-2007 Western Star 4900EX and others.
- Bulletin number
- 49-14
- Component
- Engine and engine cooling
- Summary
- 49-14 - DEF Tank Coolant Valve O-Ring Kit
Owners of these vehicles have filed 2 complaints in the engine category.
Vehicles covered
- Western Star 4900 2002-2018 20112012201320142015201620172018
- Western Star 4700 2002-2018 20112012201320142015201620172018
- Western Star 4900EX 2006-2007 20062007
- Western Star Constellation 2009-2013 20092010201120122013
- Western Star 6900 2002-2018 20112012201320142015201620172018
- Western Star 4900 SA 2002-2011 20042005200620072008200920102011
- Western Star 5900 2004-2017 20102011201220132014201520162017
- Western Star 4800 2010-2017 20102011201220132014201520162017
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