The 1979 GMC C30 has 2 NHTSA recall campaigns affecting an estimated 15,550 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
ON THE INVOLVED VEHICLES THE BRAKE STOPLIGHT AND CRUISE CONTROL SWITCH WHICH IS OPERATED BY THE BRAKE PEDAL MAY HAVE BEEN ASSEMBLED WITH AN INCORRECT LUBRICANT ON THE ACTUATING PLUNGER. THIS CAN CAUSE THE REAR BRAKE STOPLIGHTS TO BECOME INOPERATIVE AND THE CRUISE CONTROL, IF ACTIVATED, TO STAY ELECTRICALLY ENGAGED.
DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE BRAKE STOPLIGHT AND CRUISE CONTROL SWITCH AT NO COST TO OWNER.
THE FRONT HOSES ON THE INVOLVED VEHICLES MAY HAVE IMPROPERLY ORIENTED HOSE FITTINGS, RESULTING IN A RUBBING CONTACT BETWEEN THE RIGHT BRAKE HOSE AND THE UPPER CONTROL ARM OF THE FRONT SUSPENSION OR IN A TWISTED LEFT HOSE RESULTING IN A FAULTY ATTACHMENT AT THE FRAME FITTING. SHOULD EITHER OF THESE CONDITIONS EXIST,…
THE DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ONE OR BOTH FRONT BRAKE HOSES AT NO COST 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 1979 GMC C30 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.