TSB: MACK GRANITE (GR), GRANITE (GU), PINNACLE (CHU), PINNACLE (CXU), TD, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TITAN (TD) (2010–2022)

Bulletin M-652-001 — August 6, 2022

Bulletin Details

Bulletin IDM-652-001
ManufacturerMACK
ModelsGRANITE (GR), GRANITE (GU), PINNACLE (CHU), PINNACLE (CXU), TD, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TITAN (TD)
Model Years2010–2022
Date IssuedAugust 6, 2022
Date Added to NHTSASeptember 1, 2022
ComponentSUSPENSION
Vehicles Affected86 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

2009 Document reformatted to be published as a TSB in Impact. Axle Alignment Specifications

Affected Vehicles

MakeModelYearComponent
MACK GRANITE (GR) 2022 020000 SUSPENSION
MACK PINNACLE (CHU) 2022 020000 SUSPENSION
MACK PINNACLE (CXU) 2022 020000 SUSPENSION
MACK TERRAPRO (MRU) 2022 020000 SUSPENSION
MACK GRANITE (GR) 2021 020000 SUSPENSION
MACK PINNACLE (CHU) 2021 020000 SUSPENSION
MACK PINNACLE (CXU) 2021 020000 SUSPENSION
MACK TERRAPRO (MRU) 2021 020000 SUSPENSION
MACK GRANITE (GR) 2020 020000 SUSPENSION
MACK PINNACLE (CHU) 2020 020000 SUSPENSION
MACK PINNACLE (CXU) 2020 020000 SUSPENSION
MACK TERRAPRO (MRU) 2020 020000 SUSPENSION
MACK GRANITE (GR) 2019 020000 SUSPENSION
MACK PINNACLE (CHU) 2019 020000 SUSPENSION
MACK PINNACLE (CXU) 2019 020000 SUSPENSION
MACK TD 2019 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2019 020000 SUSPENSION
MACK TERRAPRO (MRU) 2019 020000 SUSPENSION
MACK GRANITE (GR) 2018 020000 SUSPENSION
MACK PINNACLE (CHU) 2018 020000 SUSPENSION
MACK PINNACLE (CXU) 2018 020000 SUSPENSION
MACK TD 2018 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2018 020000 SUSPENSION
MACK TERRAPRO (MRU) 2018 020000 SUSPENSION
MACK TITAN (TD) 2018 020000 SUSPENSION
MACK GRANITE (GU) 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 TITAN (TD) 2017 020000 SUSPENSION
MACK GRANITE (GU) 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 GRANITE (GU) 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 (TD) 2015 020000 SUSPENSION
MACK GRANITE (GU) 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 (TD) 2014 020000 SUSPENSION
MACK GRANITE (GU) 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 (TD) 2013 020000 SUSPENSION
MACK GRANITE (GU) 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 GRANITE (GU) 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 GRANITE (GU) 2010 020000 SUSPENSION
MACK PINNACLE (CHU) 2010 020000 SUSPENSION
MACK PINNACLE (CXU) 2010 020000 SUSPENSION
MACK TD 2010 020000 SUSPENSION
MACK TERRAPRO (LEU/MRU) 2010 020000 SUSPENSION
MACK TERRAPRO (MRU) 2010 020000 SUSPENSION
MACK TITAN (TD) 2010 020000 SUSPENSION

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized MACK dealer. Bring this bulletin ID (M-652-001) 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.