TSB: MACK ANTHEM, ANTHEM (AN), ASET, CH, CHK SERIES, CHN, CHU, CHU612, CHU613, CHU614, CL, CLASS 6, CLASS 7, CLASS 8, CMH, CMM, CRD SERIES, CRD112/113, CRD200, CRD92/93, CS 300, CS 300P, CS SERIES, CT, CT713, CTP, CV, CX, CXN, CXP, CXU, CXU612, CXU613, CXU613E, CXU614, DM, DM SERIES, DM400, DM600, DM807, DM809, DM811, DMM SERIES, E6, E7, F SERIES, FDM, FREEDOM, GRANITE (GR), GRANITE (GU), GU, GU713, GU812E, GU813, GU813E, GU814, J-TECH, LE, LEU, LR, LR ELECTRIC, LR6, M35AK, M65BX, MACK, MB SERIES, MC400, MC600, MD, MH, MIDLINER, MIDR, MILITARY VEHICLE, MR, MR SERIES, MR400, MR600, MRU, MS SERIES, MS200P, MS300, MS300P, PINNACLE (CHU), PINNACLE (CXU), PINNACLE (PI), R, RB, RD, RD SERIES, RM SERIES, RW SERIES, SR70, T200, T2060A, T2090L, T2090LR, T300, TD, TD713, TD714, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), TITAN, TITAN (TD), U, V-MAC, V-MAC III, VOLVO TRUCK, WL, WS (2008–2023)

Bulletin KC-644 — May 17, 2022

Bulletin Details

Bulletin IDKC-644
ManufacturerMACK
ModelsANTHEM, ANTHEM (AN), ASET, CH, CHK SERIES, CHN, CHU, CHU612, CHU613, CHU614, CL, CLASS 6, CLASS 7, CLASS 8, CMH, CMM, CRD SERIES, CRD112/113, CRD200, CRD92/93, CS 300, CS 300P, CS SERIES, CT, CT713, CTP, CV, CX, CXN, CXP, CXU, CXU612, CXU613, CXU613E, CXU614, DM, DM SERIES, DM400, DM600, DM807, DM809, DM811, DMM SERIES, E6, E7, F SERIES, FDM, FREEDOM, GRANITE (GR), GRANITE (GU), GU, GU713, GU812E, GU813, GU813E, GU814, J-TECH, LE, LEU, LR, LR ELECTRIC, LR6, M35AK, M65BX, MACK, MB SERIES, MC400, MC600, MD, MH, MIDLINER, MIDR, MILITARY VEHICLE, MR, MR SERIES, MR400, MR600, MRU, MS SERIES, MS200P, MS300, MS300P, PINNACLE (CHU), PINNACLE (CXU), PINNACLE (PI), R, RB, RD, RD SERIES, RM SERIES, RW SERIES, SR70, T200, T2060A, T2090L, T2090LR, T300, TD, TD713, TD714, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), TITAN, TITAN (TD), U, V-MAC, V-MAC III, VOLVO TRUCK, WL, WS
Model Years2008–2023
Date IssuedMay 17, 2022
Date Added to NHTSAJune 7, 2022
ComponentENGINE AND ENGINE COOLING
Vehicles Affected309 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

Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And Newer Emissions, Model Year 2008 And Newer

Affected Vehicles

MakeModelYearComponent
MACK GRANITE (GR) 2023 060000 ENGINE AND ENGINE COOLING
MACK LR ELECTRIC 2023 060000 ENGINE AND ENGINE COOLING
MACK MD 2023 060000 ENGINE AND ENGINE COOLING
MACK ANTHEM (AN) 2022 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GR) 2022 060000 ENGINE AND ENGINE COOLING
MACK LR 2022 060000 ENGINE AND ENGINE COOLING
MACK LR ELECTRIC 2022 060000 ENGINE AND ENGINE COOLING
MACK MD 2022 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2022 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2022 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (PI) 2022 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2022 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (TE) 2022 060000 ENGINE AND ENGINE COOLING
MACK ANTHEM (AN) 2021 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GR) 2021 060000 ENGINE AND ENGINE COOLING
MACK LR 2021 060000 ENGINE AND ENGINE COOLING
MACK LR ELECTRIC 2021 060000 ENGINE AND ENGINE COOLING
MACK MD 2021 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2021 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2021 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (PI) 2021 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2021 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (TE) 2021 060000 ENGINE AND ENGINE COOLING
MACK ANTHEM (AN) 2020 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GR) 2020 060000 ENGINE AND ENGINE COOLING
MACK LR 2020 060000 ENGINE AND ENGINE COOLING
MACK LR ELECTRIC 2020 060000 ENGINE AND ENGINE COOLING
MACK MD 2020 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2020 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2020 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (PI) 2020 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2020 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (TE) 2020 060000 ENGINE AND ENGINE COOLING
MACK ANTHEM (AN) 2019 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GR) 2019 060000 ENGINE AND ENGINE COOLING
MACK LR 2019 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2019 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2019 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (PI) 2019 060000 ENGINE AND ENGINE COOLING
MACK TD 2019 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2019 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2019 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (TE) 2019 060000 ENGINE AND ENGINE COOLING
MACK ANTHEM (AN) 2018 060000 ENGINE AND ENGINE COOLING
MACK CHU 2018 060000 ENGINE AND ENGINE COOLING
MACK CXU 2018 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GR) 2018 060000 ENGINE AND ENGINE COOLING
MACK GU 2018 060000 ENGINE AND ENGINE COOLING
MACK LR 2018 060000 ENGINE AND ENGINE COOLING
MACK MRU 2018 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2018 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2018 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (PI) 2018 060000 ENGINE AND ENGINE COOLING
MACK TD 2018 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2018 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2018 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (TE) 2018 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2018 060000 ENGINE AND ENGINE COOLING
MACK ANTHEM (AN) 2017 060000 ENGINE AND ENGINE COOLING
MACK CHU 2017 060000 ENGINE AND ENGINE COOLING
MACK CXU 2017 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2017 060000 ENGINE AND ENGINE COOLING
MACK GU 2017 060000 ENGINE AND ENGINE COOLING
MACK LEU 2017 060000 ENGINE AND ENGINE COOLING
MACK LR 2017 060000 ENGINE AND ENGINE COOLING
MACK MRU 2017 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2017 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2017 060000 ENGINE AND ENGINE COOLING
MACK TD 2017 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2017 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2017 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (TE) 2017 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2017 060000 ENGINE AND ENGINE COOLING
MACK ANTHEM 2016 060000 ENGINE AND ENGINE COOLING
MACK CHU 2016 060000 ENGINE AND ENGINE COOLING
MACK CXU 2016 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2016 060000 ENGINE AND ENGINE COOLING
MACK GU 2016 060000 ENGINE AND ENGINE COOLING
MACK LEU 2016 060000 ENGINE AND ENGINE COOLING
MACK LR 2016 060000 ENGINE AND ENGINE COOLING
MACK LR6 2016 060000 ENGINE AND ENGINE COOLING
MACK MRU 2016 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2016 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2016 060000 ENGINE AND ENGINE COOLING
MACK TD 2016 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU) 2016 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2016 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2016 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2016 060000 ENGINE AND ENGINE COOLING
MACK CHU 2015 060000 ENGINE AND ENGINE COOLING
MACK CXU 2015 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2015 060000 ENGINE AND ENGINE COOLING
MACK GU 2015 060000 ENGINE AND ENGINE COOLING
MACK LEU 2015 060000 ENGINE AND ENGINE COOLING
MACK LR 2015 060000 ENGINE AND ENGINE COOLING
MACK LR6 2015 060000 ENGINE AND ENGINE COOLING
MACK MRU 2015 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2015 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2015 060000 ENGINE AND ENGINE COOLING
MACK TD 2015 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU) 2015 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2015 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2015 060000 ENGINE AND ENGINE COOLING
MACK TITAN 2015 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2015 060000 ENGINE AND ENGINE COOLING
MACK CHU 2014 060000 ENGINE AND ENGINE COOLING
MACK CXU 2014 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2014 060000 ENGINE AND ENGINE COOLING
MACK GU 2014 060000 ENGINE AND ENGINE COOLING
MACK LEU 2014 060000 ENGINE AND ENGINE COOLING
MACK LR 2014 060000 ENGINE AND ENGINE COOLING
MACK LR6 2014 060000 ENGINE AND ENGINE COOLING
MACK MRU 2014 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2014 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2014 060000 ENGINE AND ENGINE COOLING
MACK TD 2014 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU) 2014 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2014 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2014 060000 ENGINE AND ENGINE COOLING
MACK TITAN 2014 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2014 060000 ENGINE AND ENGINE COOLING
MACK CHU 2013 060000 ENGINE AND ENGINE COOLING
MACK CMM 2013 060000 ENGINE AND ENGINE COOLING
MACK CXU 2013 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2013 060000 ENGINE AND ENGINE COOLING
MACK GU 2013 060000 ENGINE AND ENGINE COOLING
MACK LEU 2013 060000 ENGINE AND ENGINE COOLING
MACK LR 2013 060000 ENGINE AND ENGINE COOLING
MACK LR6 2013 060000 ENGINE AND ENGINE COOLING
MACK MRU 2013 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2013 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2013 060000 ENGINE AND ENGINE COOLING
MACK TD 2013 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU) 2013 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2013 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2013 060000 ENGINE AND ENGINE COOLING
MACK TITAN 2013 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2013 060000 ENGINE AND ENGINE COOLING
MACK CHU 2012 060000 ENGINE AND ENGINE COOLING
MACK CMH 2012 060000 ENGINE AND ENGINE COOLING
MACK CMM 2012 060000 ENGINE AND ENGINE COOLING
MACK CXU 2012 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2012 060000 ENGINE AND ENGINE COOLING
MACK GU 2012 060000 ENGINE AND ENGINE COOLING
MACK LEU 2012 060000 ENGINE AND ENGINE COOLING
MACK LR 2012 060000 ENGINE AND ENGINE COOLING
MACK LR6 2012 060000 ENGINE AND ENGINE COOLING
MACK MRU 2012 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2012 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2012 060000 ENGINE AND ENGINE COOLING
MACK TD 2012 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU) 2012 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2012 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2012 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2012 060000 ENGINE AND ENGINE COOLING
MACK CHU 2011 060000 ENGINE AND ENGINE COOLING
MACK CMH 2011 060000 ENGINE AND ENGINE COOLING
MACK CMM 2011 060000 ENGINE AND ENGINE COOLING
MACK CXU 2011 060000 ENGINE AND ENGINE COOLING
MACK CXU612 2011 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2011 060000 ENGINE AND ENGINE COOLING
MACK GU 2011 060000 ENGINE AND ENGINE COOLING
MACK LEU 2011 060000 ENGINE AND ENGINE COOLING
MACK LR 2011 060000 ENGINE AND ENGINE COOLING
MACK LR6 2011 060000 ENGINE AND ENGINE COOLING
MACK MRU 2011 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2011 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2011 060000 ENGINE AND ENGINE COOLING
MACK TD 2011 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2011 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2011 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2011 060000 ENGINE AND ENGINE COOLING
MACK CHU 2010 060000 ENGINE AND ENGINE COOLING
MACK CHU613 2010 060000 ENGINE AND ENGINE COOLING
MACK CHU614 2010 060000 ENGINE AND ENGINE COOLING
MACK CMH 2010 060000 ENGINE AND ENGINE COOLING
MACK CMM 2010 060000 ENGINE AND ENGINE COOLING
MACK CXU 2010 060000 ENGINE AND ENGINE COOLING
MACK CXU612 2010 060000 ENGINE AND ENGINE COOLING
MACK CXU613 2010 060000 ENGINE AND ENGINE COOLING
MACK CXU613E 2010 060000 ENGINE AND ENGINE COOLING
MACK CXU614 2010 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2010 060000 ENGINE AND ENGINE COOLING
MACK GU 2010 060000 ENGINE AND ENGINE COOLING
MACK GU713 2010 060000 ENGINE AND ENGINE COOLING
MACK GU812E 2010 060000 ENGINE AND ENGINE COOLING
MACK GU813 2010 060000 ENGINE AND ENGINE COOLING
MACK GU813E 2010 060000 ENGINE AND ENGINE COOLING
MACK GU814 2010 060000 ENGINE AND ENGINE COOLING
MACK LEU 2010 060000 ENGINE AND ENGINE COOLING
MACK LR 2010 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2010 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2010 060000 ENGINE AND ENGINE COOLING
MACK TD 2010 060000 ENGINE AND ENGINE COOLING
MACK TD713 2010 060000 ENGINE AND ENGINE COOLING
MACK TD714 2010 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2010 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2010 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2010 060000 ENGINE AND ENGINE COOLING
MACK CHU 2009 060000 ENGINE AND ENGINE COOLING
MACK CXU 2009 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2009 060000 ENGINE AND ENGINE COOLING
MACK GU 2009 060000 ENGINE AND ENGINE COOLING
MACK LEU 2009 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2009 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2009 060000 ENGINE AND ENGINE COOLING
MACK TD 2009 060000 ENGINE AND ENGINE COOLING
MACK TD714 2009 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2009 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2009 060000 ENGINE AND ENGINE COOLING
MACK TITAN (TD) 2009 060000 ENGINE AND ENGINE COOLING
MACK CHN 2008 060000 ENGINE AND ENGINE COOLING
MACK CHU 2008 060000 ENGINE AND ENGINE COOLING
MACK CHU612 2008 060000 ENGINE AND ENGINE COOLING
MACK CHU613 2008 060000 ENGINE AND ENGINE COOLING
MACK CL 2008 060000 ENGINE AND ENGINE COOLING
MACK CT 2008 060000 ENGINE AND ENGINE COOLING
MACK CT713 2008 060000 ENGINE AND ENGINE COOLING
MACK CTP 2008 060000 ENGINE AND ENGINE COOLING
MACK CV 2008 060000 ENGINE AND ENGINE COOLING
MACK CXN 2008 060000 ENGINE AND ENGINE COOLING
MACK CXP 2008 060000 ENGINE AND ENGINE COOLING
MACK CXU 2008 060000 ENGINE AND ENGINE COOLING
MACK CXU612 2008 060000 ENGINE AND ENGINE COOLING
MACK CXU613 2008 060000 ENGINE AND ENGINE COOLING
MACK GRANITE (GU) 2008 060000 ENGINE AND ENGINE COOLING
MACK GU 2008 060000 ENGINE AND ENGINE COOLING
MACK GU713 2008 060000 ENGINE AND ENGINE COOLING
MACK GU813 2008 060000 ENGINE AND ENGINE COOLING
MACK LEU 2008 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CHU) 2008 060000 ENGINE AND ENGINE COOLING
MACK PINNACLE (CXU) 2008 060000 ENGINE AND ENGINE COOLING
MACK TD 2008 060000 ENGINE AND ENGINE COOLING
MACK TD714 2008 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (LEU/MRU) 2008 060000 ENGINE AND ENGINE COOLING
MACK TERRAPRO (MRU) 2008 060000 ENGINE AND ENGINE COOLING
MACK ASET 060000 ENGINE AND ENGINE COOLING
MACK CH 060000 ENGINE AND ENGINE COOLING
MACK CHK SERIES 060000 ENGINE AND ENGINE COOLING
MACK CHU 060000 ENGINE AND ENGINE COOLING
MACK CL 060000 ENGINE AND ENGINE COOLING
MACK CLASS 6 060000 ENGINE AND ENGINE COOLING
MACK CLASS 7 060000 ENGINE AND ENGINE COOLING
MACK CLASS 8 060000 ENGINE AND ENGINE COOLING
MACK CRD SERIES 060000 ENGINE AND ENGINE COOLING
MACK CRD112/113 060000 ENGINE AND ENGINE COOLING
MACK CRD200 060000 ENGINE AND ENGINE COOLING
MACK CRD92/93 060000 ENGINE AND ENGINE COOLING
MACK CS 300 060000 ENGINE AND ENGINE COOLING
MACK CS 300P 060000 ENGINE AND ENGINE COOLING
MACK CS SERIES 060000 ENGINE AND ENGINE COOLING
MACK CV 060000 ENGINE AND ENGINE COOLING
MACK CX 060000 ENGINE AND ENGINE COOLING
MACK CXU 060000 ENGINE AND ENGINE COOLING
MACK DM 060000 ENGINE AND ENGINE COOLING
MACK DM SERIES 060000 ENGINE AND ENGINE COOLING
MACK DM400 060000 ENGINE AND ENGINE COOLING
MACK DM600 060000 ENGINE AND ENGINE COOLING
MACK DM807 060000 ENGINE AND ENGINE COOLING
MACK DM809 060000 ENGINE AND ENGINE COOLING
MACK DM811 060000 ENGINE AND ENGINE COOLING
MACK DMM SERIES 060000 ENGINE AND ENGINE COOLING
MACK E6 060000 ENGINE AND ENGINE COOLING
MACK E7 060000 ENGINE AND ENGINE COOLING
MACK F SERIES 060000 ENGINE AND ENGINE COOLING
MACK FDM 060000 ENGINE AND ENGINE COOLING
MACK FREEDOM 060000 ENGINE AND ENGINE COOLING
MACK GU 060000 ENGINE AND ENGINE COOLING
MACK J-TECH 060000 ENGINE AND ENGINE COOLING
MACK LE 060000 ENGINE AND ENGINE COOLING
MACK LR 060000 ENGINE AND ENGINE COOLING
MACK M35AK 060000 ENGINE AND ENGINE COOLING
MACK M65BX 060000 ENGINE AND ENGINE COOLING
MACK MACK 060000 ENGINE AND ENGINE COOLING
MACK MB SERIES 060000 ENGINE AND ENGINE COOLING
MACK MC400 060000 ENGINE AND ENGINE COOLING
MACK MC600 060000 ENGINE AND ENGINE COOLING
MACK MH 060000 ENGINE AND ENGINE COOLING
MACK MIDLINER 060000 ENGINE AND ENGINE COOLING
MACK MIDR 060000 ENGINE AND ENGINE COOLING
MACK MILITARY VEHICLE 060000 ENGINE AND ENGINE COOLING
MACK MR 060000 ENGINE AND ENGINE COOLING
MACK MR SERIES 060000 ENGINE AND ENGINE COOLING
MACK MR400 060000 ENGINE AND ENGINE COOLING
MACK MR600 060000 ENGINE AND ENGINE COOLING
MACK MS SERIES 060000 ENGINE AND ENGINE COOLING
MACK MS200P 060000 ENGINE AND ENGINE COOLING
MACK MS300 060000 ENGINE AND ENGINE COOLING
MACK MS300P 060000 ENGINE AND ENGINE COOLING
MACK R 060000 ENGINE AND ENGINE COOLING
MACK RB 060000 ENGINE AND ENGINE COOLING
MACK RD 060000 ENGINE AND ENGINE COOLING
MACK RD SERIES 060000 ENGINE AND ENGINE COOLING
MACK RM SERIES 060000 ENGINE AND ENGINE COOLING
MACK RW SERIES 060000 ENGINE AND ENGINE COOLING
MACK SR70 060000 ENGINE AND ENGINE COOLING
MACK T200 060000 ENGINE AND ENGINE COOLING
MACK T2060A 060000 ENGINE AND ENGINE COOLING
MACK T2090L 060000 ENGINE AND ENGINE COOLING
MACK T2090LR 060000 ENGINE AND ENGINE COOLING
MACK T300 060000 ENGINE AND ENGINE COOLING
MACK TD 060000 ENGINE AND ENGINE COOLING
MACK U 060000 ENGINE AND ENGINE COOLING
MACK V-MAC 060000 ENGINE AND ENGINE COOLING
MACK V-MAC III 060000 ENGINE AND ENGINE COOLING
VOLVO VOLVO TRUCK 060000 ENGINE AND ENGINE COOLING
VOLVO VOLVO TRUCK 354000 EQUIPMENT:MECHANICAL
MACK WL 060000 ENGINE AND ENGINE COOLING
MACK WS 060000 ENGINE AND ENGINE COOLING

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 (KC-644) 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.