TSB: MACK ANTHEM, ANTHEM (AN), CH, CH600, CHN, CHU, CHU612, CHU613, CHU614, CL, CL713, CL733, CMH, CMM, CT, CT713, CTP, CV, CV500, CV713, CX, CX613, CXN, CXP, CXU, CXU612, CXU613, CXU613E, CXU614, DM, DM6, DM600, DMM, FCM7133, GRANITE (GR), GRANITE (GU), GU, GU7, GU713, GU8, GU812E, GU813, GU813E, GU814, LE, LEU, LR, LR ELECTRIC, LR6, LRBE, MACK, MD, MIDLINER, MR, MR600, MRU, MS200, PINNACLE (CHU), PINNACLE (CXU), PINNACLE (PI), RB, RB LE, RB6, RD, RD6, RD600, RD8, TD, TD713, TD714, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), TITAN, TITAN (TD), VISION (1999–2023)

Bulletin M728-005A 202308 — August 14, 2023

Bulletin Details

Bulletin IDM728-005A 202308
ManufacturerMACK
ModelsANTHEM, ANTHEM (AN), CH, CH600, CHN, CHU, CHU612, CHU613, CHU614, CL, CL713, CL733, CMH, CMM, CT, CT713, CTP, CV, CV500, CV713, CX, CX613, CXN, CXP, CXU, CXU612, CXU613, CXU613E, CXU614, DM, DM6, DM600, DMM, FCM7133, GRANITE (GR), GRANITE (GU), GU, GU7, GU713, GU8, GU812E, GU813, GU813E, GU814, LE, LEU, LR, LR ELECTRIC, LR6, LRBE, MACK, MD, MIDLINER, MR, MR600, MRU, MS200, PINNACLE (CHU), PINNACLE (CXU), PINNACLE (PI), RB, RB LE, RB6, RD, RD6, RD600, RD8, TD, TD713, TD714, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), TITAN, TITAN (TD), VISION
Model Years1999–2023
Date IssuedAugust 14, 2023
Date Added to NHTSASeptember 6, 2023
ComponentSUSPENSION
Vehicles Affected402 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

TSB: Barksdale Leveling Valve, Leak Test

Affected Vehicles

MakeModelYearComponent
MACK ANTHEM (AN) 2023 020000 SUSPENSION
MACK GRANITE (GR) 2023 020000 SUSPENSION
MACK GRANITE (GU) 2023 020000 SUSPENSION
MACK LR 2023 020000 SUSPENSION
MACK LR ELECTRIC 2023 020000 SUSPENSION
MACK LRBE 2023 020000 SUSPENSION
MACK MD 2023 020000 SUSPENSION
MACK PINNACLE (PI) 2023 020000 SUSPENSION
MACK TERRAPRO (MRU) 2023 020000 SUSPENSION
MACK TERRAPRO (TE) 2023 020000 SUSPENSION
MACK ANTHEM (AN) 2022 020000 SUSPENSION
MACK GRANITE (GR) 2022 020000 SUSPENSION
MACK GRANITE (GU) 2022 020000 SUSPENSION
MACK LR 2022 020000 SUSPENSION
MACK LR ELECTRIC 2022 020000 SUSPENSION
MACK LRBE 2022 020000 SUSPENSION
MACK MD 2022 020000 SUSPENSION
MACK PINNACLE (CHU) 2022 020000 SUSPENSION
MACK PINNACLE (CXU) 2022 020000 SUSPENSION
MACK PINNACLE (PI) 2022 020000 SUSPENSION
MACK TERRAPRO (MRU) 2022 020000 SUSPENSION
MACK TERRAPRO (TE) 2022 020000 SUSPENSION
MACK ANTHEM (AN) 2021 020000 SUSPENSION
MACK GRANITE (GR) 2021 020000 SUSPENSION
MACK GRANITE (GU) 2021 020000 SUSPENSION
MACK LR 2021 020000 SUSPENSION
MACK LR ELECTRIC 2021 020000 SUSPENSION
MACK LRBE 2021 020000 SUSPENSION
MACK MD 2021 020000 SUSPENSION
MACK PINNACLE (CHU) 2021 020000 SUSPENSION
MACK PINNACLE (CXU) 2021 020000 SUSPENSION
MACK PINNACLE (PI) 2021 020000 SUSPENSION
MACK TERRAPRO (MRU) 2021 020000 SUSPENSION
MACK TERRAPRO (TE) 2021 020000 SUSPENSION
MACK ANTHEM (AN) 2020 020000 SUSPENSION
MACK GRANITE (GR) 2020 020000 SUSPENSION
MACK GRANITE (GU) 2020 020000 SUSPENSION
MACK LR 2020 020000 SUSPENSION
MACK LR ELECTRIC 2020 020000 SUSPENSION
MACK LRBE 2020 020000 SUSPENSION
MACK MD 2020 020000 SUSPENSION
MACK PINNACLE (CHU) 2020 020000 SUSPENSION
MACK PINNACLE (CXU) 2020 020000 SUSPENSION
MACK PINNACLE (PI) 2020 020000 SUSPENSION
MACK TERRAPRO (MRU) 2020 020000 SUSPENSION
MACK TERRAPRO (TE) 2020 020000 SUSPENSION
MACK ANTHEM (AN) 2019 020000 SUSPENSION
MACK GRANITE (GR) 2019 020000 SUSPENSION
MACK GRANITE (GU) 2019 020000 SUSPENSION
MACK LR 2019 020000 SUSPENSION
MACK LRBE 2019 020000 SUSPENSION
MACK PINNACLE (CHU) 2019 020000 SUSPENSION
MACK PINNACLE (CXU) 2019 020000 SUSPENSION
MACK PINNACLE (PI) 2019 020000 SUSPENSION
MACK TD 2019 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2019 020000 SUSPENSION
MACK TERRAPRO (MRU) 2019 020000 SUSPENSION
MACK TERRAPRO (TE) 2019 020000 SUSPENSION
MACK ANTHEM (AN) 2018 020000 SUSPENSION
MACK CHU 2018 020000 SUSPENSION
MACK CXU 2018 020000 SUSPENSION
MACK GRANITE (GR) 2018 020000 SUSPENSION
MACK GRANITE (GU) 2018 020000 SUSPENSION
MACK GU 2018 020000 SUSPENSION
MACK LR 2018 020000 SUSPENSION
MACK MRU 2018 020000 SUSPENSION
MACK PINNACLE (CHU) 2018 020000 SUSPENSION
MACK PINNACLE (CXU) 2018 020000 SUSPENSION
MACK PINNACLE (PI) 2018 020000 SUSPENSION
MACK TD 2018 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2018 020000 SUSPENSION
MACK TERRAPRO (MRU) 2018 020000 SUSPENSION
MACK TERRAPRO (TE) 2018 020000 SUSPENSION
MACK TITAN (TD) 2018 020000 SUSPENSION
MACK ANTHEM (AN) 2017 020000 SUSPENSION
MACK CHU 2017 020000 SUSPENSION
MACK CXU 2017 020000 SUSPENSION
MACK GRANITE (GR) 2017 020000 SUSPENSION
MACK GRANITE (GU) 2017 020000 SUSPENSION
MACK GU 2017 020000 SUSPENSION
MACK LEU 2017 020000 SUSPENSION
MACK LR 2017 020000 SUSPENSION
MACK MRU 2017 020000 SUSPENSION
MACK PINNACLE (CHU) 2017 020000 SUSPENSION
MACK PINNACLE (CXU) 2017 020000 SUSPENSION
MACK TD 2017 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2017 020000 SUSPENSION
MACK TERRAPRO (MRU) 2017 020000 SUSPENSION
MACK TERRAPRO (TE) 2017 020000 SUSPENSION
MACK TITAN (TD) 2017 020000 SUSPENSION
MACK ANTHEM 2016 020000 SUSPENSION
MACK CHU 2016 020000 SUSPENSION
MACK CXU 2016 020000 SUSPENSION
MACK GRANITE (GR) 2016 020000 SUSPENSION
MACK GRANITE (GU) 2016 020000 SUSPENSION
MACK GU 2016 020000 SUSPENSION
MACK LEU 2016 020000 SUSPENSION
MACK LR 2016 020000 SUSPENSION
MACK LR6 2016 020000 SUSPENSION
MACK MRU 2016 020000 SUSPENSION
MACK PINNACLE (CHU) 2016 020000 SUSPENSION
MACK PINNACLE (CXU) 2016 020000 SUSPENSION
MACK TD 2016 020000 SUSPENSION
MACK TERRAPRO (LEU) 2016 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2016 020000 SUSPENSION
MACK TERRAPRO (MRU) 2016 020000 SUSPENSION
MACK TITAN (TD) 2016 020000 SUSPENSION
MACK CHU 2015 020000 SUSPENSION
MACK CXU 2015 020000 SUSPENSION
MACK GRANITE (GR) 2015 020000 SUSPENSION
MACK GRANITE (GU) 2015 020000 SUSPENSION
MACK GU 2015 020000 SUSPENSION
MACK LEU 2015 020000 SUSPENSION
MACK LR 2015 020000 SUSPENSION
MACK LR6 2015 020000 SUSPENSION
MACK MRU 2015 020000 SUSPENSION
MACK PINNACLE (CHU) 2015 020000 SUSPENSION
MACK PINNACLE (CXU) 2015 020000 SUSPENSION
MACK TD 2015 020000 SUSPENSION
MACK TERRAPRO (LEU) 2015 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2015 020000 SUSPENSION
MACK TERRAPRO (MRU) 2015 020000 SUSPENSION
MACK TITAN 2015 020000 SUSPENSION
MACK TITAN (TD) 2015 020000 SUSPENSION
MACK CHU 2014 020000 SUSPENSION
MACK CXU 2014 020000 SUSPENSION
MACK GRANITE (GU) 2014 020000 SUSPENSION
MACK GU 2014 020000 SUSPENSION
MACK LEU 2014 020000 SUSPENSION
MACK LR 2014 020000 SUSPENSION
MACK LR6 2014 020000 SUSPENSION
MACK MRU 2014 020000 SUSPENSION
MACK PINNACLE (CHU) 2014 020000 SUSPENSION
MACK PINNACLE (CXU) 2014 020000 SUSPENSION
MACK TD 2014 020000 SUSPENSION
MACK TERRAPRO (LEU) 2014 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2014 020000 SUSPENSION
MACK TERRAPRO (MRU) 2014 020000 SUSPENSION
MACK TITAN 2014 020000 SUSPENSION
MACK TITAN (TD) 2014 020000 SUSPENSION
MACK CHU 2013 020000 SUSPENSION
MACK CMM 2013 020000 SUSPENSION
MACK CXU 2013 020000 SUSPENSION
MACK GRANITE (GU) 2013 020000 SUSPENSION
MACK GU 2013 020000 SUSPENSION
MACK LEU 2013 020000 SUSPENSION
MACK LR 2013 020000 SUSPENSION
MACK LR6 2013 020000 SUSPENSION
MACK MRU 2013 020000 SUSPENSION
MACK PINNACLE (CHU) 2013 020000 SUSPENSION
MACK PINNACLE (CXU) 2013 020000 SUSPENSION
MACK TD 2013 020000 SUSPENSION
MACK TERRAPRO (LEU) 2013 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2013 020000 SUSPENSION
MACK TERRAPRO (MRU) 2013 020000 SUSPENSION
MACK TITAN 2013 020000 SUSPENSION
MACK TITAN (TD) 2013 020000 SUSPENSION
MACK CHU 2012 020000 SUSPENSION
MACK CMH 2012 020000 SUSPENSION
MACK CMM 2012 020000 SUSPENSION
MACK CXU 2012 020000 SUSPENSION
MACK GRANITE (GU) 2012 020000 SUSPENSION
MACK GU 2012 020000 SUSPENSION
MACK LEU 2012 020000 SUSPENSION
MACK LR 2012 020000 SUSPENSION
MACK LR6 2012 020000 SUSPENSION
MACK MRU 2012 020000 SUSPENSION
MACK PINNACLE (CHU) 2012 020000 SUSPENSION
MACK PINNACLE (CXU) 2012 020000 SUSPENSION
MACK TD 2012 020000 SUSPENSION
MACK TERRAPRO (LEU) 2012 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2012 020000 SUSPENSION
MACK TERRAPRO (MRU) 2012 020000 SUSPENSION
MACK TITAN (TD) 2012 020000 SUSPENSION
MACK CHU 2011 020000 SUSPENSION
MACK CMH 2011 020000 SUSPENSION
MACK CMM 2011 020000 SUSPENSION
MACK CXU 2011 020000 SUSPENSION
MACK CXU612 2011 020000 SUSPENSION
MACK GRANITE (GU) 2011 020000 SUSPENSION
MACK GU 2011 020000 SUSPENSION
MACK LEU 2011 020000 SUSPENSION
MACK LR 2011 020000 SUSPENSION
MACK LR6 2011 020000 SUSPENSION
MACK MRU 2011 020000 SUSPENSION
MACK PINNACLE (CHU) 2011 020000 SUSPENSION
MACK PINNACLE (CXU) 2011 020000 SUSPENSION
MACK TD 2011 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2011 020000 SUSPENSION
MACK TERRAPRO (MRU) 2011 020000 SUSPENSION
MACK TITAN (TD) 2011 020000 SUSPENSION
MACK CHU 2010 020000 SUSPENSION
MACK CHU613 2010 020000 SUSPENSION
MACK CHU614 2010 020000 SUSPENSION
MACK CMH 2010 020000 SUSPENSION
MACK CMM 2010 020000 SUSPENSION
MACK CXU 2010 020000 SUSPENSION
MACK CXU612 2010 020000 SUSPENSION
MACK CXU613 2010 020000 SUSPENSION
MACK CXU613E 2010 020000 SUSPENSION
MACK CXU614 2010 020000 SUSPENSION
MACK GRANITE (GU) 2010 020000 SUSPENSION
MACK GU 2010 020000 SUSPENSION
MACK GU713 2010 020000 SUSPENSION
MACK GU812E 2010 020000 SUSPENSION
MACK GU813 2010 020000 SUSPENSION
MACK GU813E 2010 020000 SUSPENSION
MACK GU814 2010 020000 SUSPENSION
MACK LEU 2010 020000 SUSPENSION
MACK LR 2010 020000 SUSPENSION
MACK PINNACLE (CHU) 2010 020000 SUSPENSION
MACK PINNACLE (CXU) 2010 020000 SUSPENSION
MACK TD 2010 020000 SUSPENSION
MACK TD713 2010 020000 SUSPENSION
MACK TD714 2010 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2010 020000 SUSPENSION
MACK TERRAPRO (MRU) 2010 020000 SUSPENSION
MACK TITAN (TD) 2010 020000 SUSPENSION
MACK CHU 2009 020000 SUSPENSION
MACK CXU 2009 020000 SUSPENSION
MACK GRANITE (GU) 2009 020000 SUSPENSION
MACK GU 2009 020000 SUSPENSION
MACK LEU 2009 020000 SUSPENSION
MACK PINNACLE (CHU) 2009 020000 SUSPENSION
MACK PINNACLE (CXU) 2009 020000 SUSPENSION
MACK TD 2009 020000 SUSPENSION
MACK TD714 2009 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2009 020000 SUSPENSION
MACK TERRAPRO (MRU) 2009 020000 SUSPENSION
MACK TITAN (TD) 2009 020000 SUSPENSION
MACK CHN 2008 020000 SUSPENSION
MACK CHU 2008 020000 SUSPENSION
MACK CHU612 2008 020000 SUSPENSION
MACK CHU613 2008 020000 SUSPENSION
MACK CL 2008 020000 SUSPENSION
MACK CT 2008 020000 SUSPENSION
MACK CT713 2008 020000 SUSPENSION
MACK CTP 2008 020000 SUSPENSION
MACK CV 2008 020000 SUSPENSION
MACK CXN 2008 020000 SUSPENSION
MACK CXP 2008 020000 SUSPENSION
MACK CXU 2008 020000 SUSPENSION
MACK CXU612 2008 020000 SUSPENSION
MACK CXU613 2008 020000 SUSPENSION
MACK GRANITE (GU) 2008 020000 SUSPENSION
MACK GU 2008 020000 SUSPENSION
MACK GU713 2008 020000 SUSPENSION
MACK GU813 2008 020000 SUSPENSION
MACK LEU 2008 020000 SUSPENSION
MACK PINNACLE (CHU) 2008 020000 SUSPENSION
MACK PINNACLE (CXU) 2008 020000 SUSPENSION
MACK TD 2008 020000 SUSPENSION
MACK TD714 2008 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2008 020000 SUSPENSION
MACK TERRAPRO (MRU) 2008 020000 SUSPENSION
MACK CH 2007 020000 SUSPENSION
MACK CHN 2007 020000 SUSPENSION
MACK CHU 2007 020000 SUSPENSION
MACK CL 2007 020000 SUSPENSION
MACK CT 2007 020000 SUSPENSION
MACK CTP 2007 020000 SUSPENSION
MACK CV 2007 020000 SUSPENSION
MACK CV713 2007 020000 SUSPENSION
MACK CX 2007 020000 SUSPENSION
MACK CXN 2007 020000 SUSPENSION
MACK CXP 2007 020000 SUSPENSION
MACK CXU 2007 020000 SUSPENSION
MACK GRANITE (GU) 2007 020000 SUSPENSION
MACK GU 2007 020000 SUSPENSION
MACK GU7 2007 020000 SUSPENSION
MACK GU8 2007 020000 SUSPENSION
MACK LE 2007 020000 SUSPENSION
MACK LEU 2007 020000 SUSPENSION
MACK MR 2007 020000 SUSPENSION
MACK MRU 2007 020000 SUSPENSION
MACK PINNACLE (CHU) 2007 020000 SUSPENSION
MACK PINNACLE (CXU) 2007 020000 SUSPENSION
MACK TD 2007 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2007 020000 SUSPENSION
MACK CH 2006 020000 SUSPENSION
MACK CHN 2006 020000 SUSPENSION
MACK CHU 2006 020000 SUSPENSION
MACK CL 2006 020000 SUSPENSION
MACK CT 2006 020000 SUSPENSION
MACK CTP 2006 020000 SUSPENSION
MACK CV 2006 020000 SUSPENSION
MACK CV713 2006 020000 SUSPENSION
MACK CX 2006 020000 SUSPENSION
MACK CXN 2006 020000 SUSPENSION
MACK CXP 2006 020000 SUSPENSION
MACK CXU 2006 020000 SUSPENSION
MACK DM 2006 020000 SUSPENSION
MACK GU 2006 020000 SUSPENSION
MACK GU7 2006 020000 SUSPENSION
MACK GU8 2006 020000 SUSPENSION
MACK LE 2006 020000 SUSPENSION
MACK MR 2006 020000 SUSPENSION
MACK CH 2005 020000 SUSPENSION
MACK CHN 2005 020000 SUSPENSION
MACK CL 2005 020000 SUSPENSION
MACK CT 2005 020000 SUSPENSION
MACK CV 2005 020000 SUSPENSION
MACK CX 2005 020000 SUSPENSION
MACK CXN 2005 020000 SUSPENSION
MACK DM 2005 020000 SUSPENSION
MACK LE 2005 020000 SUSPENSION
MACK MR 2005 020000 SUSPENSION
MACK RB 2005 020000 SUSPENSION
MACK RD 2005 020000 SUSPENSION
MACK CH 2004 020000 SUSPENSION
MACK CHN 2004 020000 SUSPENSION
MACK CL 2004 020000 SUSPENSION
MACK CT 2004 020000 SUSPENSION
MACK CV 2004 020000 SUSPENSION
MACK CX 2004 020000 SUSPENSION
MACK CXN 2004 020000 SUSPENSION
MACK DM 2004 020000 SUSPENSION
MACK FCM7133 2004 020000 SUSPENSION
MACK LE 2004 020000 SUSPENSION
MACK MR 2004 020000 SUSPENSION
MACK RB 2004 020000 SUSPENSION
MACK RD 2004 020000 SUSPENSION
MACK CH 2003 020000 SUSPENSION
MACK CHN 2003 020000 SUSPENSION
MACK CL 2003 020000 SUSPENSION
MACK CV 2003 020000 SUSPENSION
MACK CV500 2003 020000 SUSPENSION
MACK CX 2003 020000 SUSPENSION
MACK CX613 2003 020000 SUSPENSION
MACK CXN 2003 020000 SUSPENSION
MACK DM 2003 020000 SUSPENSION
MACK DM6 2003 020000 SUSPENSION
MACK DMM 2003 020000 SUSPENSION
MACK LE 2003 020000 SUSPENSION
MACK MR 2003 020000 SUSPENSION
MACK RB 2003 020000 SUSPENSION
MACK RD 2003 020000 SUSPENSION
MACK RD6 2003 020000 SUSPENSION
MACK RD8 2003 020000 SUSPENSION
MACK CH 2002 020000 SUSPENSION
MACK CHN 2002 020000 SUSPENSION
MACK CL 2002 020000 SUSPENSION
MACK CV 2002 020000 SUSPENSION
MACK CV500 2002 020000 SUSPENSION
MACK CX 2002 020000 SUSPENSION
MACK CX613 2002 020000 SUSPENSION
MACK CXN 2002 020000 SUSPENSION
MACK DM 2002 020000 SUSPENSION
MACK DM600 2002 020000 SUSPENSION
MACK FCM7133 2002 020000 SUSPENSION
MACK LE 2002 020000 SUSPENSION
MACK MR 2002 020000 SUSPENSION
MACK MR600 2002 020000 SUSPENSION
MACK RB 2002 020000 SUSPENSION
MACK RD 2002 020000 SUSPENSION
MACK RD600 2002 020000 SUSPENSION
MACK CH 2001 020000 SUSPENSION
MACK CH600 2001 020000 SUSPENSION
MACK CL 2001 020000 SUSPENSION
MACK CV 2001 020000 SUSPENSION
MACK CX 2001 020000 SUSPENSION
MACK CX613 2001 020000 SUSPENSION
MACK DM 2001 020000 SUSPENSION
MACK DMM 2001 020000 SUSPENSION
MACK FCM7133 2001 020000 SUSPENSION
MACK LE 2001 020000 SUSPENSION
MACK MACK 2001 020000 SUSPENSION
MACK MR 2001 020000 SUSPENSION
MACK RB 2001 020000 SUSPENSION
MACK RD 2001 020000 SUSPENSION
MACK CH 2000 020000 SUSPENSION
MACK CL 2000 020000 SUSPENSION
MACK CL713 2000 020000 SUSPENSION
MACK CL733 2000 020000 SUSPENSION
MACK CV 2000 020000 SUSPENSION
MACK CX 2000 020000 SUSPENSION
MACK DM 2000 020000 SUSPENSION
MACK DMM 2000 020000 SUSPENSION
MACK FCM7133 2000 020000 SUSPENSION
MACK LE 2000 020000 SUSPENSION
MACK MR 2000 020000 SUSPENSION
MACK RB 2000 020000 SUSPENSION
MACK RD 2000 020000 SUSPENSION
MACK VISION 2000 020000 SUSPENSION
MACK CH 1999 020000 SUSPENSION
MACK CL 1999 020000 SUSPENSION
MACK CV 1999 020000 SUSPENSION
MACK CX 1999 020000 SUSPENSION
MACK DM 1999 020000 SUSPENSION
MACK DM6 1999 020000 SUSPENSION
MACK FCM7133 1999 020000 SUSPENSION
MACK LE 1999 020000 SUSPENSION
MACK MACK 1999 020000 SUSPENSION
MACK MIDLINER 1999 020000 SUSPENSION
MACK MR 1999 020000 SUSPENSION
MACK MS200 1999 020000 SUSPENSION
MACK RB 1999 020000 SUSPENSION
MACK RB LE 1999 020000 SUSPENSION
MACK RB6 1999 020000 SUSPENSION
MACK RD 1999 020000 SUSPENSION
MACK RD6 1999 020000 SUSPENSION
MACK RD8 1999 020000 SUSPENSION

Related MACK Recalls

CampaignModelYearComponentSummary
ANTHEM AN (4) 2026 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...
ANTHEM AN (4) 2027 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...
PIONEER PR (4) 2025 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...
PIONEER PR (4) 2026 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...
PIONEER PR (4) 2027 SERVICE BRAKES, AIR:ANTILOCK:CONTROL ... Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized MACK dealer. Bring this bulletin ID (M728-005A 202308) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.