TSB: MACK ANTHEM (AN), GRANITE (GR), GRANITE (GU), LR, PINNACLE (CHU), PINNACLE (CXU), PINNACLE (PI), TD, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), VAH, VHD, VN, VNL, VNM, VNR (2007–2019)

Bulletin K23315031 — December 5, 2018

Bulletin Details

Bulletin IDK23315031
ManufacturerMACK
ModelsANTHEM (AN), GRANITE (GR), GRANITE (GU), LR, PINNACLE (CHU), PINNACLE (CXU), PINNACLE (PI), TD, TERRAPRO (LEU), TERRAPRO (LEU/MRU), TERRAPRO (MRU), TERRAPRO (TE), VAH, VHD, VN, VNL, VNM, VNR
Model Years2007–2019
Date IssuedDecember 5, 2018
Date Added to NHTSAJanuary 7, 2019
ComponentFUEL SYSTEM, GASOLINE
Vehicles Affected101 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

Fuel Tank Strap Insulator design Update

Affected Vehicles

MakeModelYearComponent
MACK ANTHEM (AN) 2019 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GR) 2019 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2019 070000 FUEL SYSTEM, GASOLINE
MACK LR 2019 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2019 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2019 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (PI) 2019 070000 FUEL SYSTEM, GASOLINE
MACK TD 2019 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2019 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (TE) 2019 070000 FUEL SYSTEM, GASOLINE
MACK ANTHEM (AN) 2018 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2018 070000 FUEL SYSTEM, GASOLINE
MACK LR 2018 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2018 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2018 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (PI) 2018 070000 FUEL SYSTEM, GASOLINE
MACK TD 2018 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2018 070000 FUEL SYSTEM, GASOLINE
MACK ANTHEM (AN) 2017 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2017 070000 FUEL SYSTEM, GASOLINE
MACK LR 2017 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2017 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2017 070000 FUEL SYSTEM, GASOLINE
MACK TD 2017 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2017 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (MRU) 2017 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2016 070000 FUEL SYSTEM, GASOLINE
MACK LR 2016 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2016 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2016 070000 FUEL SYSTEM, GASOLINE
MACK TD 2016 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU) 2016 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2016 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (MRU) 2016 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2015 070000 FUEL SYSTEM, GASOLINE
MACK LR 2015 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2015 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2015 070000 FUEL SYSTEM, GASOLINE
MACK TD 2015 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU) 2015 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2015 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (MRU) 2015 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2014 070000 FUEL SYSTEM, GASOLINE
MACK LR 2014 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2014 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2014 070000 FUEL SYSTEM, GASOLINE
MACK TD 2014 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU) 2014 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2014 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (MRU) 2014 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2013 070000 FUEL SYSTEM, GASOLINE
MACK LR 2013 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2013 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2013 070000 FUEL SYSTEM, GASOLINE
MACK TD 2013 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU) 2013 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2013 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (MRU) 2013 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2012 070000 FUEL SYSTEM, GASOLINE
MACK LR 2012 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2012 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2012 070000 FUEL SYSTEM, GASOLINE
MACK TD 2012 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU) 2012 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2012 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (MRU) 2012 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2011 070000 FUEL SYSTEM, GASOLINE
MACK LR 2011 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2011 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2011 070000 FUEL SYSTEM, GASOLINE
MACK TD 2011 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2011 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2010 070000 FUEL SYSTEM, GASOLINE
MACK LR 2010 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2010 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2010 070000 FUEL SYSTEM, GASOLINE
MACK TD 2010 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2010 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2009 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2009 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2009 070000 FUEL SYSTEM, GASOLINE
MACK TD 2009 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2009 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2008 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2008 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2008 070000 FUEL SYSTEM, GASOLINE
MACK TD 2008 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2008 070000 FUEL SYSTEM, GASOLINE
MACK GRANITE (GU) 2007 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CHU) 2007 070000 FUEL SYSTEM, GASOLINE
MACK PINNACLE (CXU) 2007 070000 FUEL SYSTEM, GASOLINE
MACK TD 2007 070000 FUEL SYSTEM, GASOLINE
MACK TERRAPRO (LEU/MRU) 2007 070000 FUEL SYSTEM, GASOLINE
MACK LR 070000 FUEL SYSTEM, GASOLINE
MACK TD 070000 FUEL SYSTEM, GASOLINE
VOLVO VAH 070000 FUEL SYSTEM, GASOLINE
VOLVO VHD 070000 FUEL SYSTEM, GASOLINE
VOLVO VN 070000 FUEL SYSTEM, GASOLINE
VOLVO VNL 070000 FUEL SYSTEM, GASOLINE
VOLVO VNM 070000 FUEL SYSTEM, GASOLINE
VOLVO VNR 070000 FUEL SYSTEM, GASOLINE

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CampaignModelYearComponentSummary
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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 (K23315031) 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.