Recall Register

1978 Mack MB: recalls and complaints

NHTSA lists 3 recall campaigns for the 1978 Mack MB. The newest campaign is 79V018000. NHTSA received the report on 12 Jan 1979. The NHTSA record gives the component Suspension / Rear / Springs / Leaf Spring Assembly / Hanger/Bracket. NHTSA has no complaint on file for this model year.

The NHTSA recall file shows no do-not-drive advisory and no park-outside advisory on these campaigns.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 79V018000, in the NHTSA record

The dealer will inspect and, if necessary, replace any suspect bogie spring insulator caps with new caps meeting the proper specifications at no cost to owner.

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.

NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on . Complaint file through . Recall file through .

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

3 campaigns, newest first. 33,187 units in total.

  1. 79V018000Received . 17 units.

    Suspension / Rear / Springs / Leaf Spring Assembly / Hanger/Bracket

    Defect, in the NHTSA record
    The steel brackets on the suspension beam were found to be deficient due to excessive shrinkage and low mechanical properties. Failure of one or both of these brackets could cause a separation of the axle housing from the suspension.
    Remedy, in the NHTSA record
    The dealer will inspect and, if necessary, replace any suspect bogie spring insulator caps with new caps meeting the proper specifications at no cost to owner.

    Report filed by MACK TRUCKS, INCORPORATED. Owner notification date in the NHTSA record: .

  2. 78V210000Received . 19,370 units.

    Service Brakes, Air / Antilock / Interconnecting Assembly(Wiring)

    Defect, in the NHTSA record
    Delays of up to about 2 seconds may exist in the brake application times to the brakes on the bogie axles in the presence of certain types of wheel speed sensor signal discontinuities or distortions that may occur as a result of sensor wire failure. This constitutes a non-compliance to federal motor vehicle safety standard no. 121, "air brake systems".
    Remedy, in the NHTSA record
    Dealer will install new wheel speed sensors that incorporate improved wiring and the present bogie anti-wheel lock system will be changed to an axle-to-axle system for improved reliability.

    Report filed by MACK TRUCKS, INCORPORATED. Owner notification date in the NHTSA record: .

  3. 78V172000Received . 13,800 units.

    Steering / Linkages / Knuckle / Spindle / Arm

    Defect, in the NHTSA record
    The existing cross steering arms may have insufficient fatigue life in the neck area. This is near the boss for the cross steering tube ball joint connection. Failure of either of the cross steering levers could lead to loss of steering control of the right front wheel.
    Remedy, in the NHTSA record
    The dealer will inspect and, if necessary, install cross steering arms of improved design and greater strength.

    Report filed by MACK TRUCKS, INCORPORATED. Owner notification date in the NHTSA record: .

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

  1. 19651
  2. 19661
  3. 19672
  4. 19682
  5. 19692
  6. 19703
  7. 19715
  8. 19724
  9. 19733
  10. 19744
  11. 19754
  12. 19762
  13. 19774
  14. 19783
  15. 19791

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

Official channels

Cite this page

Recall Register. 1978 Mack MB: recalls and complaints. https://recallregister.com/vehicle/mack/mb/1978/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through .

Sources

Source
NHTSA Office of Defects Investigation
Licence
US government work, public domain
Recall file through
29 Sep 2026
Complaint file through
15 May 2019
First complaint in the file
1 Jan 1995
Manufacturer in the recall file
MACK TRUCKS, INCORPORATED

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 1978 Mack MB?
33,187 units in 3 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Mack MB have for all model years?
NHTSA lists 16 recall campaigns for the Mack MB, model years 1965 to 1979. 3 of them name the 1978 model year.
Is an NHTSA investigation of the 1978 Mack MB open?
The NHTSA investigation file has no investigation that names this model year.