Hearth Record

Power train: axle assembly (Mack)

Vehicle recall 15V-690. NHTSA received Mack Trucks, Inc.’s report on Oct 22, 2015.

NHTSA’s own record, on nhtsa.gov

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The short answer

NHTSA received Mack Trucks, Inc.’s report on Oct 22, 2015. Copied from NHTSA on Oct 20, 2026.

Every line below is in NHTSA’s own words, with its source beside it.

What’s wrong with it?

If the hex nuts are not tightened to specification, the driveshaft may disconnect from the drive axle, resulting in a loss of propulsion and increasing the risk of a crash.

Mack Trucks, Inc.

(Mack) is recalling certain model year 2014 Granite (GU) trucks manufactured January 1, 2013, to October 16, 2013, and equipped with certain drive axles manufactured by Marmon-Herrington.

The affected axles are equipped with hex nuts on the flange yoke that may not have been properly tightened.

Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

  • NHTSA’s part: Power train: axle assembly.

What should you do?

Mack will notify owners, and dealers will inspect the hex nut, tightening it to proper torque, free of charge. The recall is expected to begin on November 30, 2015. Owners may contact Mack customer service at 1-800-528-6586. Mack’s number for this recall is SC0397.

Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

  • How to reach the firm: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
  • Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.

Which ones are recalled?

NHTSA counts 8 vehicles potentially involved, across everything this recall names.

Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

  • Mack Granite (GU)and 2014, before the model years listed here

Who is recalling it?

  • Made by Mack Trucks, Inc..
Source:

NHTSA, Recalls flat file. Released Oct 20, 2026. Updated daily.

What the record doesn’t say

  • NHTSA’s recall file doesn’t say whether anyone was hurt.
  • Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
  • This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
  • How many have been returned or fixed isn’t in the notice.
Source:

Hearth Record wrote these lines.

Sources

  • National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).

    Released Oct 20, 2026 and checked Oct 20, 2026. Updated daily. Public domain (U.S. Government work).

Source:

Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 20, 2026.

How to read a record

Four things every record does, shown on an example record made up for this guide.

An example record, made up for this guide

An example nursing home

Made up for this guide: no real place is shown

Not fully inspected in over two years (CMS flag)

11 health citations at the latest inspection cycle

The state average is 14.3.

Source:

CMS, State and US Averages and Health Deficiencies. Released Oct 28, 2026. Updated monthly.

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Every fact names its source.

Who published it, when, and how often it changes sit beside each fact, with a link to the agency’s own file.

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