Campaigns on record across the GMC K20 (1976–1990), from Transport Canada and, tagged NHTSA, the United States. Pick a model year for the Canadian listing, and check your VIN with GMC to confirm which apply.
LOOSE PIVOT BOLT HOLDING THE BRAKE PEDAL TO ITS SUPPORT BRACKET COULD DISENGAGE FROM THE NUT.
THIS COULD CAUSE LOSS OF BRAKING ACTIVITY THAT COULDRESULT IN A TRUCK CRASH WITHOUT PRIOR WARNING.
RETORQUE BRAKE PEDAL PIVOT BOLTS TO SPECIFICATIONS TO PREVENT LOOSENING.
90V108000 · 1,962 units in campaign · NHTSA
Applies only if the manufacturer confirms your VIN · repair by an authorized dealer · All 1990 gmc k20 recalls
ON C AND K MODELS, FEED AND OR RETURN FUEL LINES CAN CONTACT THE AUTOMATIC TRANSMISSION SHIFT LINKAGE CORDON SHAFT. IN ADDITION, ON K MODELS LINES MAY ALSO CONTACT FRONT PROPSHAFT. IN EITHER CASE THE FUEL LINES COULD BE DAMAGED RESULTING IN A FUEL LEAK.
A HOLE COULD BE RUBBED THROUGH THESE FUEL LINES, ALLOWING FUEL LEAKAGE NEAR EXHAUST CROSSOVER PIPE; THIS COULD RESULT IN AN ENGINE COMPARTMENT FIRE THAT COULD SPREAD TO THE PASSENGER COMPARTMENT.
INSTALL NEWLY DESIGNED FUEL LINE ROUTING BRACKET TO PREVENT CONTACT AND, IF NECESSARY, REPLACE FUEL LINES.
90V015000 · 68 units in campaign · NHTSA
Applies only if the manufacturer confirms your VIN · repair by an authorized dealer · All 1990 gmc k20 recalls
THE REAR AXLE SHAFTS RECEIVED IMPROPER HEAT TREATMENT DURING MANUFACTURE. THE SHAFT MAY BREAK AND THE TIRE AND WHEEL ASSEMBLY COULD DISENGAGE FROM THE VEHICLE.
DEALER WILL REPLACE BOTH REAR AXLE SHAFT ASSEMBLIES, IF NECESSARY, FREE OF CHARGE.
82V081000 · 8,881 units in campaign · NHTSA
Applies only if the manufacturer confirms your VIN · repair by an authorized dealer · All 1982 gmc k20 recalls
FATIGUE CRACKS MAY DEVELOP IN THE BRAKE VACUUM BOOSTER HOUSING. THIS MAY CAUSE A VACUUM LEAK AND REDUCE THE EFFECTIVENESS OF THE BRAKES. AFTER PROLONGED USE, THE CRACKS MAY DEVELOP TO THE EXTENT THAT THE BOOSTER MAY SEPARATE FROM THE VEHICLE.
VEHICLES WILL BE INSPECTED FOR FATIGUE CRACKS IN THE BRAKE VACUUM BOOSTER. THOSE WITHOUT CRACKS WILL HAVE A SUPPORT BRACE INSTALLED. THOSE WITH EVIDENCE OF CRACKING WILL HAVE A NEW BRAKE VACUUM BOOSTER AND SUPPORT BRACE INSTALLED. THIS SERVICE WILL BE PROVIDED AT NO CHARGE.
81V010000 · 320,677 units in campaign · NHTSA
Applies only if the manufacturer confirms your VIN · repair by an authorized dealer · All 1980 gmc k20 recalls
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.
79V142000 · 15,328 units in campaign · NHTSA
Applies only if the manufacturer confirms your VIN · repair by an authorized dealer · All 1979 gmc k20 recalls
THE ACCELERATOR PEDAL ROD IN COMBINATION WITH THE PEDAL INSTALLED ON THE INVOLVED VEHICLES MAY CUT THROUGH THE FLOOR PAN RUBBER MAT OR CARPET INTO THE THICK RESILIENT INSULATION PAD UNDERNEATH DURING HEAVY OR REPEATED FULL THROTTLE APPLICATIONS. AS A RESULT, THE ACCELERATOR PEDAL ROD MAY CATCH IN THE MAT OR CARPET, PREVENTING THE THROTTLE FROM RETURNING TO IDLE WHEN THE DRIVER"S FOOT IS REMOVED FROM THE PEDAL.
DEALER WILL INSTALL A NEW ACCELERATOR PEDAL AND RETAINER DESIGNED TO PREVENT THE ACCELERATOR PEDAL ROD FROM CUTTING THE RUBBER MAT OR CARPET. THIS WILL BE PERFORMED WITHOUT CHARGE.
77V178000 · 330,468 units in campaign · NHTSA
Applies only if the manufacturer confirms your VIN · repair by an authorized dealer · All 1977 gmc k20 recalls
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