How many recalls does the 1977 GMC Df9500 have?

The 1977 GMC Df9500 has 1 NHTSA safety recall campaign on record.

How do I check if my 1977 GMC Df9500 has an open recall?

Enter your 17-character VIN at NHTSA's official recall lookup (nhtsa.gov/recalls) to see open, unrepaired recalls for your specific vehicle. Recall repairs are free.

1977 GMC Df9500 Recalls

Recalls on record Updated July 2026

The 1977 GMC Df9500 has 1 NHTSA recall campaign affecting an estimated 59 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.

Recall campaigns

SERVICE BRAKES, AIR 78V098000 1978-05-03 59 affected

Defect

THESE VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THESE VEHICLES WERE BUILT WITH AN INCORRECT RESISTOR BOARD IN THE EATON CONTROLLER ON THE WHEEL LOCK CONTROL VALVE.

Remedy

DEALER WILL REMOVE THE INCORRECT RESISTOR BOARD AND INSTALL THE CORRECT ONE, WITHOUT CHARGE TO OWNER.

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1977 GMC Df9500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.