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1979 GMC Sierra

Owner reports · Recalls · Investigations

Limited comparison data

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

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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.

Tap a category to read its complaints. One report may name several components.

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

0

No recalls in this snapshot.

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

DP96009 · Flex Fan Failure

Opened Jun 18, 1996 · Closed Dec 3, 1996

Status: closed (inferred from source dates) · Engine And Engine Cooling

JOSEPH E. WALLEN OF AMDURSKY, PELKY, FENNELL & WALLEN, P.C., REPRESENTING MR. BRADFORD BUTLER, PETITIONED THE AGENCY TO INVESTIGATE WHETHER THE FLEX FAN BLADES (PART NUMBER 336032) MANUFACTURED BY CANADIAN FRAM ARE ALLEGED DEFECTIVE WITHIN THE MEANING OF 49 U.S.C. CHAPTER 301.MR. BUTLER WAS SERIOUS INJURIED WHEN HE WAS STRUCK BY A BROKEN PIECE OF THE FAN BLADE