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Service bulletin KC-653

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10213652
Published by NHTSA2022-06-07
Manufacturer's numberKC-653
Manufacturer's date2022-05-17
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Low Oil Pressure Diagnostic Process For 11 Liter Engines

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
MACK ALL W MODELS1974 to 1977
MACK ALL W/FAW617 FRONT AXLE1985 to 1990
MACK B1965 to 1967
MACK C1964 to 1971
MACK CF1964 to 1980
MACK CF1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
MACK CH1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
MACK CH2006 to 2007
MACK CH SERIES1989
MACK CH6001989
MACK CH6001995 to 1997
MACK CH6002001
MACK CH6121996 to 1998
MACK CH6131993 to 1994
MACK CH6131996 to 1998
MACK CHN2002, 2003, 2004, 2005, 2006, 2007, 2008
MACK CHR1987 to 1992
MACK CHU2006 to 2013
MACK CHU6122008
MACK CHU6132008
MACK CHU6132010
MACK CHU6142010
MACK CL1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
MACK CL7132000
MACK CL7332000
MACK CLASS 81987 to 1988
MACK CM4001987 to 1988
MACK CMH2010 to 2012
MACK CMM2010 to 2013
MACK CONQUEST1996 to 1998
MACK CS 2001985 to 1986
MACK CS 2001994
MACK CS 200P1985 to 1987
MACK CS 2501985 to 1986
MACK CS 2501994
MACK CS 250P1985 to 1987
MACK CS 3001985 to 1986
MACK CS 300P1988
MACK CS 300T1988
MACK CT2004 to 2008
MACK CT7132008
MACK CTP2006 to 2008
MACK CV1998 to 2008
MACK CV5002002 to 2003
MACK CV7132006 to 2007
MACK CX1998 to 2007
MACK CX6132001 to 2003
MACK CXN2002 to 2008
MACK CXP2006 to 2008
MACK CXU2006 to 2013
MACK CXU6122008
MACK CXU6122010 to 2011
MACK CXU6132008
MACK CXU6132010
MACK CXU613E2010
MACK CXU6142010
MACK DM1965 to 1979
MACK DM1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
MACK DM1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
MACK DM SERIES1980 to 1981
MACK DM SERIES1983 to 1984
MACK DM SERIES1987 to 1989
MACK DM4001971 to 1972
MACK DM4001975 to 1976
MACK DM61999
MACK DM62003
MACK DM6001971 to 1972
MACK DM6001975 to 1976
MACK DM6002002
MACK DM6116S1972
MACK DM6856S1972
MACK DM6858S1972
MACK DM8001968 to 1969
MACK DM8861974
MACK DMM1972 to 1980
MACK DMM1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
MACK DMM2000, 2001
MACK DMM2003
MACK DMM SERIES1980
MACK DMM SERIES1981 (the catalog's model; the bulletin names a series or trim of it)
MACK DMM SERIES1987, 1988 (the catalog's model; the bulletin names a series or trim of it)
MACK F1965 to 1979
MACK F SERIES1968 to 1976
MACK F SERIES1978 to 1982
MACK F7951969 to 1972
MACK F795ST1974
MACK F7971969 to 1972
MACK FAP1968 to 1976
MACK FC1968 to 1976
MACK FCA1968 to 1976
MACK FCM71331999 to 2002
MACK FCM71332004
MACK FCS1968 to 1976
MACK FDM1987, 1988, 1989, 1990, 1991, 1992, 1993
MACK FDM1996, 1997
MACK FDM7133R1996, 1997, 1998 (the catalog's model; the bulletin names a series or trim of it)
MACK FIRE TRUCK1982 to 1987
MACK FL1966 to 1977
MACK FL7951970 to 1974
MACK FL7971970 to 1974
MACK FM1979
MACK FM SERIES1978 to 1982
MACK FS1966 to 1977
MACK FS7951970 to 1974
MACK FS7971970 to 1974
MACK FWS1978 to 1979
MACK GRANITE (GU)2007 to 2013
MACK GU2006 to 2013
MACK GU72006 to 2007
MACK GU7132008
MACK GU7132010
MACK GU82006 to 2007
MACK GU812E2010
MACK GU8132008
MACK GU8132010
MACK GU813E2010
MACK GU8142010
MACK HMM1972 to 1977
MACK HMM6856S1973 to 1977
MACK LE1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
MACK LEU2007 to 2013
MACK LL1968 to 1969
MACK LR2010 to 2013
MACK LR62011 to 2013
MACK MACK1955 to 1999
MACK MACK2001
MACK MB1965 to 1979
MACK MB SERIES1968
MACK MB SERIES1978 to 1982
MACK MB4001969 to 1971
MACK MB6001969 to 1971
MACK MC1977 to 1979
MACK MC1987, 1988, 1989, 1990, 1991, 1992
MACK MC SERIES1978 to 1984
MACK MC6001979 to 1981
MACK MC6061982 to 1984
MACK MH1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
MACK MHR1987 to 1992
MACK MID-LINER1983 to 1985
MACK MID-LINER1990
MACK MIDLINER1986 to 1989
MACK MIDLINER1998 to 1999
MACK MR1977 to 1979
MACK MR1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
MACK MR SERIES1978 to 1982
MACK MR SERIES1987
MACK MR6001979 to 1981
MACK MR6001988
MACK MR6002002
MACK MR600P1984 to 1985
MACK MR688S1993
MACK MRU2007 to 2013
MACK MS2001982 to 1983
MACK MS2001985 to 1986
MACK MS2001988 to 1990
MACK MS2001994
MACK MS2001999
MACK MS200P1979 to 1982
MACK MS200P1986 to 1987
MACK MS2501985 to 1986
MACK MS2501988 to 1990
MACK MS250P1982 to 1988
MACK MS3001988 to 1990
MACK MS300P1979 to 1983
MACK MS300P1988
MACK MS300T1979 to 1983
MACK MS300T1988
MACK PINNACLE (CHU)2007 to 2013
MACK PINNACLE (CXU)2007 to 2013
MACK R1965 to 1979
MACK R1982, 1983, 1984
MACK R1987, 1988, 1989, 1990, 1991, 1992
MACK R SERIES1968 to 1984
MACK R SERIES1987 to 1989
MACK R6001971 to 1972
MACK R6001981
MACK R685ST1974
MACK R685T1974
MACK R7001981
MACK R773ST1972
MACK R7951973 to 1974
MACK R7971973 to 1974
MACK RB1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
MACK RB1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
MACK RB LE1999
MACK RB61999
MACK RB600S1988 to 1989
MACK RD1968 to 1980
MACK RD1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
MACK RD1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
MACK RD SERIES1977 to 1984
MACK RD SERIES1987 to 1989
MACK RD4001981
MACK RD61999
MACK RD62003
MACK RD6001981
MACK RD6002002
MACK RD7951973 to 1974
MACK RD7971973 to 1974
MACK RD81999

And 58 more lines, in the JSON.

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20002482000-10-26. Engine
98V1790001998-08-03. ENGINE AND ENGINE COOLING:COOLING SYSTEM
19931251993-09-13. Engine
93V1370001993-08-20. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
88V1610001988-10-18. ENGINE AND ENGINE COOLING:ENGINE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
CBR 820-9 2026012026-02-03. Service bulletin. CBR - Mack Chassis - Engine Brake Only Works With The Brake Pedal, No Function During Cruise. US07 And Newer Emissions, Model Year 2008 And Newer.
S76272023-03-07. Service bulletin. Mack MMD Alternator Pulley
KC-22482023-03-07. Service bulletin. Flywheel Housing Thread Repair
M-251-0082022-11-03. Service bulletin. 2008 document reformated to be published as a TSB in Impact. Intake mounting hardware.
M-265-0022022-10-06. Service bulletin. TSB-Charge Air Cooler t-clamp install.
M-263-0032022-09-01. Service bulletin. 2009 Document reformatted to be published as a TSB in Impact. Fan Drive Belt Replacement MP7 Engine
M-258-0062022-09-01. Service bulletin. 2009 Document reformatted to be published as a TSB in Impact. DRV Air Line Service Kit
KC-21122022-07-05. Service bulletin. Programming Failure - Chassis With Cummins Engine And An Allison Transmission
KC-7502022-07-05. Service bulletin. US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
KC-6632022-06-07. Service bulletin. Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions