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Use caution Vehicle recall · NHTSA · Published November 5, 2018

Newmar Mountain Aire 2016-2018 Tires: Bracket Damage Risk

Newmar recalls 2016-2018 Mountain Aire motorhomes with a DEF bracket that may damage tires, increasing crash risk. Owners must have bracket moved away from tires.

🇺🇸 NHTSA recall #18V307000VehicleNewmar ›
✎ GovInfoNow plain-language explainer

What happened, in plain English

Newmar is recalling certain 2016-2018 Mountain Aire motorhomes because the DEF bracket can damage tires, potentially causing tire failure and crashes. This affects motorhome owners who use diesel fuel. Read more at govinfonow.com/recall/1225239-newmar-mountain-aire-2016-2018-tires-bracket-damage-risk.

Source Summary by GovInfoNow · govinfonow.com/recall/1225239-newmar-mountain-aire-2016-2018-tires-bracket-damage-risk · Updated October 5, 2026 · Official notice: NHTSA #18V307000

Cite this page

“Newmar Mountain Aire 2016-2018 Tires: Bracket Damage Risk.” GovInfoNow, updated October 5, 2026. https://govinfonow.com/recall/1225239-newmar-mountain-aire-2016-2018-tires-bracket-damage-risk. Based on NHTSA recall #18V307000 (https://www.nhtsa.gov/recalls?nhtsaId=18V307000).

Why it’s dangerous

The DEF tank bracket may contact the tag axle tire, causing damage that could lead to tire failure. If the tire fails while driving, it increases the risk of a crash due to loss of control.

Who’s affected

Motorhome owners with 2016-2018 Newmar Mountain Aire models using diesel fuel are most at risk. The hazard is specific to vehicles with the DEF bracket contacting the tag axle tire.

How to tell if you have this one

Check if your 2016-2018 Newmar Mountain Aire motorhome has a DEF bracket that contacts the tag axle tire. The recall began on June 21, 2018, and Newmar will notify owners.

  • Brand
    Newmar
  • Category
    Vehicle
Based on the official NHTSA remedy

What to do — step by step

  1. Contact Newmar Customer Service

    Call 1-800-731-8300 to have the DEF bracket moved away from the tire at no cost.

Official remedy

What NHTSA says to do

Newmar will notify owners, and Spartan Motors dealers will move the DEF bracket away from the tire, free of charge. The recall began on June 21, 2018. Owners may contact Newmar customer service at 1-800-731-8300.

How this recall unfolded

Recall timeline

2 dated steps over 5 months.

1. Recall began: Jun 21, 201812. NHTSA received the defect report: Nov 5, 201822018
  1. Recall began
  2. NHTSA received the defect report

Dates from the agency record only; steps without a date are left out.

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Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: NHTSA Recall #18V307000 (November 5, 2018)
  • Plain-language summary written by qwen3:4b on October 5, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not NHTSA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA