TSB: MACK ANTHEM (AN), ASET, CH, CHK SERIES, CHU, CL, CLASS 6, CLASS 7, CLASS 8, CRD SERIES, CRD112/113, CRD200, CRD92/93, CS 300, CS 300P, CS SERIES, CV, CX, CXU, DM, DM SERIES, DM400, DM600, DM807, DM809, DM811, DMM SERIES, E6, E7, F SERIES, FDM, FREEDOM, GRANITE (GR), GRANITE (GU), GU, J-TECH, LE, LEU, LR, LR ELECTRIC, 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, TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), TITAN (TD), U, V-MAC, V-MAC III, VAH, VHD, VNL, VNM, VNR, VNX, WL, WS (2017–2023)

Bulletin KC-736 — June 6, 2022

Bulletin Details

Bulletin IDKC-736
ManufacturerMACK
ModelsANTHEM (AN), ASET, CH, CHK SERIES, CHU, CL, CLASS 6, CLASS 7, CLASS 8, CRD SERIES, CRD112/113, CRD200, CRD92/93, CS 300, CS 300P, CS SERIES, CV, CX, CXU, DM, DM SERIES, DM400, DM600, DM807, DM809, DM811, DMM SERIES, E6, E7, F SERIES, FDM, FREEDOM, GRANITE (GR), GRANITE (GU), GU, J-TECH, LE, LEU, LR, LR ELECTRIC, 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, TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), TITAN (TD), U, V-MAC, V-MAC III, VAH, VHD, VNL, VNM, VNR, VNX, WL, WS
Model Years2017–2023
Date IssuedJune 6, 2022
Date Added to NHTSAJuly 5, 2022
ComponentENGINE AND ENGINE COOLING
Vehicles Affected180 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

(Back Office Only) - Engine Brake Vibration When In High Setting - 13L Engine With Variable Geometry Turbo ( VGT ) - US17 And Newer Emissions (Common Rail Fuel System)

Affected Vehicles

MakeModelYearComponent
MACK ANTHEM (AN) 2023 060000 ENGINE AND ENGINE COOLING
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 PINNACLE (PI) 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
VOLVO VAH 2022 060000 ENGINE AND ENGINE COOLING
VOLVO VHD 2022 060000 ENGINE AND ENGINE COOLING
VOLVO VNL 2022 060000 ENGINE AND ENGINE COOLING
VOLVO VNR 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
VOLVO VAH 2021 060000 ENGINE AND ENGINE COOLING
VOLVO VHD 2021 060000 ENGINE AND ENGINE COOLING
VOLVO VNL 2021 060000 ENGINE AND ENGINE COOLING
VOLVO VNM 2021 060000 ENGINE AND ENGINE COOLING
VOLVO VNR 2021 060000 ENGINE AND ENGINE COOLING
VOLVO VNX 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
VOLVO VAH 2020 060000 ENGINE AND ENGINE COOLING
VOLVO VHD 2020 060000 ENGINE AND ENGINE COOLING
VOLVO VNL 2020 060000 ENGINE AND ENGINE COOLING
VOLVO VNM 2020 060000 ENGINE AND ENGINE COOLING
VOLVO VNR 2020 060000 ENGINE AND ENGINE COOLING
VOLVO VNX 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
VOLVO VAH 2019 060000 ENGINE AND ENGINE COOLING
VOLVO VHD 2019 060000 ENGINE AND ENGINE COOLING
VOLVO VNL 2019 060000 ENGINE AND ENGINE COOLING
VOLVO VNM 2019 060000 ENGINE AND ENGINE COOLING
VOLVO VNR 2019 060000 ENGINE AND ENGINE COOLING
VOLVO VNX 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
VOLVO VAH 2018 060000 ENGINE AND ENGINE COOLING
VOLVO VHD 2018 060000 ENGINE AND ENGINE COOLING
VOLVO VNL 2018 060000 ENGINE AND ENGINE COOLING
VOLVO VNM 2018 060000 ENGINE AND ENGINE COOLING
VOLVO VNR 2018 060000 ENGINE AND ENGINE COOLING
VOLVO VNX 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
VOLVO VAH 2017 060000 ENGINE AND ENGINE COOLING
VOLVO VHD 2017 060000 ENGINE AND ENGINE COOLING
VOLVO VNL 2017 060000 ENGINE AND ENGINE COOLING
VOLVO VNM 2017 060000 ENGINE AND ENGINE COOLING
VOLVO VNR 2017 060000 ENGINE AND ENGINE COOLING
VOLVO VNX 2017 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
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-736) 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.