1976 Mack Mack

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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0Owner complaints

Model-year median: 0

1Recall campaigns

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1Investigations

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

No component reports in this snapshot.

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When problems were reported

Mileage at the reported incident

Limited mileage data: 0 of 0 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

What owners actually said

0 reports

No matching complaints in this snapshot.

Official recalls

1

87V010000 · Suspension:rear:springs:air Suspension System

Feb 9, 1987

CROSSMEMBER CAN BE OVERSTRESSED AND CAN FAIL, ALLOWING THE BROKEN CROSSMEMBER TO PROTUDE ABOVE THE TOP OF THE FRAME AND INTERFERE WITH CHASSIS COMPONENTS.

Consequence & remedy

Consequence: TRAILER HANDLING COULD BE AFFECTED DURING TURNINGMANEUVERS WHICH COULD RESULT IN LOSS OF TRUCK CONTROL AND A CRASH. ALSO, ACOMPLETELY SEPARATED CROSSMEMBER COULD AFFECT HEIGHT OF SUSPENSION AIR SPRINGSAND THE RESULTING LEAN COULD RESULT IN LOSS OF CONTROL.

Remedy: INSTALLATION OF A BOLTED DOUBLE PLATE TYPE CROSSMEMBER TO REPLACE THE STANDARD CHANNEL TYPE CROSSMEMBER.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

DP78021 · 121 Braking System, Brakes Lock Up

Opened Jan 19, 1978 · Closed May 26, 1978

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

121 BRAKING SYSTEM, BRAKES LOCK UP