# Service bulletin KC\-2170 A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned. - Type: Service bulletin - NHTSA id: 10213640 - Published by NHTSA: 2022\-06\-07 - Manufacturer's number: KC\-2170 - Manufacturer's date: 2022\-05\-16 - NHTSA component: SUSPENSION ## NHTSA's summary Electronically Controlled Suspension \(ECS\) Losing Air Pressure ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213640-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213640-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Suspension ## Vehicles listed - 1974 to 1977 MACK ALL W MODELS - 1985 to 1990 MACK ALL W/FAW617 FRONT AXLE - 2016 to 2017 MACK ANTHEM \(AN\) - 2018 to 2022 MACK ANTHEM \(AN\) - MACK ASET - 1965 to 1967 MACK B - 1964 to 1971 MACK C - 1964 to 1980 MACK CF - 1981 to 1992 MACK CF - MACK CH - 1987 to 2005 MACK CH - 2006 to 2007 MACK CH - 1989 MACK CH SERIES - 1989 MACK CH600 - 1995 to 1997 MACK CH600 - 2001 MACK CH600 - 1996 to 1998 MACK CH612 - 1993 to 1994 MACK CH613 - 1996 to 1998 MACK CH613 - MACK CHK SERIES - 2002 to 2008 MACK CHN - 1987 to 1992 MACK CHR - MACK CHU - 2006 to 2018 MACK CHU - 2008 MACK CHU612 - 2008 MACK CHU613 - 2010 MACK CHU613 - 2010 MACK CHU614 - MACK CL - 1987 to 2008 MACK CL - 2000 MACK CL713 - 2000 MACK CL733 - MACK CLASS 6 - MACK CLASS 7 - MACK CLASS 8 - 1987 to 1988 MACK CLASS 8 - 1987 to 1988 MACK CM400 - 2010 to 2012 MACK CMH - 2010 to 2013 MACK CMM - 1996 to 1998 MACK CONQUEST - MACK CRD SERIES - MACK CRD112/113 - MACK CRD200 - MACK CRD92/93 - 1985 to 1986 MACK CS 200 - 1994 MACK CS 200 - 1985 to 1987 MACK CS 200P - 1985 to 1986 MACK CS 250 - 1994 MACK CS 250 - 1985 to 1987 MACK CS 250P - MACK CS 300 - 1985 to 1986 MACK CS 300 - MACK CS 300P - 1988 MACK CS 300P - 1988 MACK CS 300T - MACK CS SERIES - 2004 to 2008 MACK CT - 2008 MACK CT713 - 2006 to 2008 MACK CTP - MACK CV - 1998 to 2008 MACK CV - 2002 to 2003 MACK CV500 - 2006 to 2007 MACK CV713 - MACK CX - 1998 to 2007 MACK CX - 2001 to 2003 MACK CX613 - 2002 to 2008 MACK CXN - 2006 to 2008 MACK CXP - MACK CXU - 2006 to 2018 MACK CXU - 2008 MACK CXU612 - 2010 to 2011 MACK CXU612 - 2008 MACK CXU613 - 2010 MACK CXU613 - 2010 MACK CXU613E - 2010 MACK CXU614 - MACK DM - 1965 to 1979 MACK DM - 1987 to 1995 MACK DM - 1998 to 2006 MACK DM - MACK DM SERIES - 1980 to 1981 MACK DM SERIES - 1983 to 1984 MACK DM SERIES - 1987 to 1989 MACK DM SERIES - MACK DM400 - 1971 to 1972 MACK DM400 - 1975 to 1976 MACK DM400 - 1999 MACK DM6 - 2003 MACK DM6 - MACK DM600 - 1971 to 1972 MACK DM600 - 1975 to 1976 MACK DM600 - 2002 MACK DM600 - 1972 MACK DM6116S - 1972 MACK DM6856S - 1972 MACK DM6858S - 1968 to 1969 MACK DM800 - MACK DM807 - MACK DM809 - MACK DM811 - 1974 MACK DM886 - 1972 to 1980 MACK DMM - 1981 to 1992 MACK DMM - 2000 to 2001 MACK DMM - 2003 MACK DMM - MACK DMM SERIES - 1980 MACK DMM SERIES - 1981 MACK DMM SERIES - 1987 to 1988 MACK DMM SERIES - MACK E6 - MACK E7 - 1965 to 1979 MACK F - MACK F SERIES - 1968 to 1976 MACK F SERIES - 1978 to 1982 MACK F SERIES - 1969 to 1972 MACK F795 - 1974 MACK F795ST - 1969 to 1972 MACK F797 - 1968 to 1976 MACK FAP - 1968 to 1976 MACK FC - 1968 to 1976 MACK FCA - 1999 to 2002 MACK FCM7133 - 2004 MACK FCM7133 - 1968 to 1976 MACK FCS - MACK FDM - 1987 to 1993 MACK FDM - 1996 to 1997 MACK FDM - 1996 to 1998 MACK FDM7133R - 1982 to 1987 MACK FIRE TRUCK - 1966 to 1977 MACK FL - 1970 to 1974 MACK FL795 - 1970 to 1974 MACK FL797 - 1979 MACK FM - 1978 to 1982 MACK FM SERIES - MACK FREEDOM - 1966 to 1977 MACK FS - 1970 to 1974 MACK FS795 - 1970 to 1974 MACK FS797 - 1978 to 1979 MACK FWS - 2018 to 2023 MACK GRANITE \(GR\) - 2007 to 2016 MACK GRANITE \(GU\) - 2017 MACK GRANITE \(GU\) - MACK GU - 2006 to 2018 MACK GU - 2006 to 2007 MACK GU7 - 2008 MACK GU713 - 2010 MACK GU713 - 2006 to 2007 MACK GU8 - 2010 MACK GU812E - 2008 MACK GU813 - 2010 MACK GU813 - 2010 MACK GU813E - 2010 MACK GU814 - 1972 to 1977 MACK HMM - 1973 to 1977 MACK HMM6856S - MACK J\-TECH - MACK LE - 1995 to 2007 MACK LE - 2007 to 2017 MACK LEU - 1968 to 1969 MACK LL - MACK LR - 2010 to 2014 MACK LR - 2015 to 2022 MACK LR - 2020 to 2023 MACK LR ELECTRIC - 2011 to 2016 MACK LR6 - MACK M35AK - MACK M65BX - MACK MACK - 1955 to 1999 MACK MACK - 2001 MACK MACK - 1965 to 1979 MACK MB - MACK MB SERIES - 1968 MACK MB SERIES - 1978 to 1982 MACK MB SERIES - 1969 to 1971 MACK MB400 - 1969 to 1971 MACK MB600 - 1977 to 1979 MACK MC - 1987 to 1992 MACK MC - 1978 to 1984 MACK MC SERIES - MACK MC400 - MACK MC600 - 1979 to 1981 MACK MC600 - 1982 to 1984 MACK MC606 - 2020 to 2023 MACK MD - MACK MH - 1981 to 1993 MACK MH - 1987 to 1992 MACK MHR - 1983 to 1985 MACK MID\-LINER - 1990 MACK MID\-LINER - MACK MIDLINER - 1986 to 1989 MACK MIDLINER - 1998 to 1999 MACK MIDLINER - MACK MIDR - MACK MILITARY VEHICLE - MACK MR - 1977 to 1979 MACK MR - 1987 to 2007 MACK MR - MACK MR SERIES - 1978 to 1982 MACK MR SERIES - 1987 MACK MR SERIES ## Recalls for the same vehicles and component - [12V017000](/recalls/nhtsa/12V017000.md), 2012-01-20: SUSPENSION:FRONT - [2012016](/recalls/tc/2012016.md), 2012-01-19: Suspension - [2009199](/recalls/tc/2009199.md), 2009-07-07: Suspension - [2007038](/recalls/tc/2007038.md), 2007-02-15: Suspension - [07V053000](/recalls/nhtsa/07V053000.md), 2007-02-15: SUSPENSION - [2005200](/recalls/tc/2005200.md), 2005-07-07: Suspension - [05V312000](/recalls/nhtsa/05V312000.md), 2005-07-07: SUSPENSION - [2003314](/recalls/tc/2003314.md), 2003-12-05: Suspension - [03V201000](/recalls/nhtsa/03V201000.md), 2003-06-03: SUSPENSION:FRONT:HUB - [2002058](/recalls/tc/2002058.md), 2002-03-26: Suspension ## Other bulletins for the same vehicles and component - [M728\-005A 202308](/bulletins/10241946.md), 2023-09-06, Service bulletin: SUSPENSION. TSB: Barksdale Leveling Valve, Leak Test - [FSB\-711\-007](/bulletins/10043370.md), 2012-03-21, Service bulletin: SUSPENSION. MACK TRUCK: LOWER RIGHT SIDE FRAME BRACKET MAY EXPERIENCE CRACKING AND CAN BE DIRECTLY REPLACED WITH NEW DESIGNED CROSSMEMBER ASSEMBLY. LE, LEU, MR, MRU. NO MODEL YEAR LISTED. \*PE - [FSB\-461\-001](/bulletins/10040696.md), 2011-09-08, Service bulletin: SUSPENSION:REAR:AXLE:NON\-POWERED AXLE ASSEMBLY. MACK TRUCKS: REAR AXLE HOUSING REPLACEMENT. \*RM JSON: [/v1/bulletins/10213640](/v1/bulletins/10213640) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20KC-2170&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10213640&vehicle=Service%20bulletin%20KC-2170)