DEF Pump Cycling periodically Hours After Key Off
Mack technical service bulletin KC-2161 for 1990-1999, 2001 Mack Mack, 2016-2022 Mack Anthem (An) and 2018-2023 Mack Granite (GR) and others.
- Bulletin number
- KC-2161
- Component
- Engine and engine cooling
- Summary
- DEF Pump Cycling periodically Hours After Key Off
Owners of these vehicles have filed 13 complaints in the engine category.
Vehicles covered
- Mack Mack 1990-1999, 2001 19931994199519961997199819992001
- Mack Anthem (An) 2016-2022 2016201720182019202020212022
- Mack Granite (GR) 2018-2023 201820192020202120222023
- Mack CXU612 2008, 2010-2011 200820102011
- Mack CH 1990-2007 20002001200220032004200520062007
- Mack Gu 2006-2018 20112012201320142015201620172018
- Mack CH600 1995-1997, 2001 1995199619972001
- Mack Cxu 2006-2018 20112012201320142015201620172018
- Mack CL 1990-2008 20012002200320042005200620072008
- Mack CV 1998-2008 20012002200320042005200620072008
- Mack RD 1990-1996, 1998-2005 19981999200020012002200320042005
- Mack Granite (Gu) 2007-2017 20102011201220132014201520162017
- Mack MD 2020-2023 2020202120222023
- Mack CH613 1993-1994, 1996-1998 19931994199619971998
- Mack CX613 2001-2003 200120022003
- Mack Pinnacle (Cxu) 2007-2022 20152016201720182019202020212022
- Mack DM 1990-1995, 1998-2006 19992000200120022003200420052006
- Mack MR 1990-2007 20002001200220032004200520062007
- Mack LE 1995-2007 20002001200220032004200520062007
- Mack CH612 1996-1998 199619971998
- Mack CX 1998-2007 20002001200220032004200520062007
- Mack Trucks Inc. FCM7133 1999-2002, 2004 19992000200120022004
- Mack Vision 2000 2000
- Mack CHN 2002-2008 2002200320042005200620072008
- Mack RD600 2002 2002
- Mack Mru 2007-2018 20112012201320142015201620172018
- Mack Pinnacle (Chu) 2007-2022 20152016201720182019202020212022
- Mack LR 2010-2022 20152016201720182019202020212022
- Mack All W/Faw617 Front Axle 1990 1990
- Mack CF 1990-1992 199019911992
- Mack CHR 1990-1992 199019911992
- Mack DMM 1990-1992, 2000-2001, 2003 199019911992200020012003
- Mack FDM 1990-1993, 1996-1997 199019911992199319961997
- Mack MC 1990-1992 199019911992
- Mack MH 1990-1993 1990199119921993
- Mack MHR 1990-1992 199019911992
- Mack Mid-Liner 1990, 1998-1999 199019981999
- Mack MS200 1990, 1994, 1999 199019941999
- Mack MS250 1990 1990
- Mack MS300 1990 1990
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