Safety Recall NHTSA · 79V133000 Reported May 31, 1979

Engine:other parts

Mack Trucks, Inc. · Engine And Engine Cooling · 23,000 vehicles potentially affected

NHTSA ID
79V133000
Manufacturer Campaign
NR (Not Reported)
Manufacturer
Mack Trucks, Inc.
Component
Engine And Engine Cooling
Vehicles Affected
23,000
Recall Type
Vehicle
Report Received
May 31, 1979

Defect Summary

In the event of turbocharger compressor wheel failure, one or more of the four capscrews that hold the turbocharger together may be struck by parts of the compressor wheel, resulting in the capscrews being damaged. If these capscrews are damaged to the point that they allow the compressor back plate to dislocate from the turbocharger bearing housing, engine lubricating oil may be allowed to escape under pressure, contacting the engine exhaust manifold sections or turbocharger turbine housing.

Corrective Action

Dealer will install a shield for the heads of the four capscrews, along with stronger sae 8 grade 8 capscrews, if necessary, at no cost to owner.

What you should do

  1. Look up your VIN at nhtsa.gov/recalls to confirm this recall applies to your vehicle.
  2. Contact an authorized Mack Trucks, Inc. dealer and reference recall ID 79V133000 or campaign NR (Not Reported).
  3. Schedule the free repair. By federal law, the manufacturer must remedy the defect at no cost.
View Official NHTSA Notice →
Related

Similar Recalls

Other recalls from Mack Trucks, Inc. or involving Engine And Engine Cooling.

Recall 78V222000
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Recall 26V286000
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Recall 26V274000
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Engine And Engine Cooling · 357 affected · Apr 29, 2026
Recall 26V270000
Harley-davidson Motor Company
Pressurized crankcase may eject oil
Engine And Engine Cooling · 88,039 affected · Apr 28, 2026

FAQ: Recall 79V133000

Your rights, the repair process, and what each field on this page means.

What is recall 79V133000?

NHTSA recall 79V133000 was issued by Mack Trucks, Inc. on May 31, 1979. It addresses: Engine:other parts. The recall affects approximately 23,000 vehicles, with the defect involving the Engine And Engine Cooling component.

How do I get this recall repaired?

Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 79V133000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.

Is my vehicle included in this recall?

The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.

How long do I have to get a recall repair done?

There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.

Where does the data on this page come from?

All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.