The 1978 GMC P35 has 3 NHTSA recall campaigns affecting an estimated 4,964 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
THE INVOLVED VEHICLES DO NOT HAVE A BRAKE FLUID RESERVOIR WARNING WHICH STATES, "WARNING, CLEAN FILLER CAP BEFORE REMOVING. USE ONLY DOT 3 FLUID FROM A SEALED CONTAINER". THIS CONSTITUTES A NON-COMPLIANCE TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 105, "HYDRAULIC BRAKE SYSTEMS".
THE DEALER WILL INSTALL THE BRAKE FLUID RESERVOIR WARNING PLATE WITHOUT CHARGE TO OWNER.
THE PARKING BRAKE SWITCH CONNECTOR CONTAINS ELECTRICAL WIRES THAT MAY BE REVERSED. AS A RESULT, THE LAMP WILL BE ACTIVATED WHENEVER THE IGNITION IS TURNED ON, EVEN THOUGH THE PARKING BRAKE IS NOT ENGAGED. THIS CONSTITUTES A NON-COMPLIANCE TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 105, "HYDRAULIC BRAKE SYSTEMS".…
DEALER WILL INSPECT AND, IF NECESSARY, CORRECT THE PARKING BRAKE SWITCH WIRING WITHOUT CHARGE TO OWNER.
THE FUEL TANK FUSIBLE BUSHING ELEMENT MAY HAVE MELTED DUE TO EXTREMELY HIGH TEMPERATURES ENCOUNTERED WHEN THE TANKS WERE EXPOSED TO DIRECT SUNLIGHT RAYS DURING CHASSIS STORAGE.
THE DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE FUEL TANK VENT PLUG WITHOUT CHARGE TO OWNER.
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1978 GMC P35 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.