The 1993 AM General Hummer has 3 NHTSA recall campaigns affecting an estimated 6,600 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 9 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
THE COATING USED TO PROTECT THE ACCELERATOR PEDAL SHAFT IS INCOMPATIBLE WITH THE BRONZE BUSHING THROUGH WHICH THE SHAFT PASSES. OVER TIME, AND IN THE PRESENCE OF A CORROSIVE ENVIRONMENT (WATER, ROAD SALT), THE SHAFT CAN CORRODE INSIDE THE BUSHING INCREASING THE AMOUNT OF FRICTION BETWEEN THE ROTATING SHAFT AND THE…
Consequence
A CORRODED ACCELERATOR PEDAL SHAFT CAN CAUSE THE ENGINE THROTTLE TO BIND AND NOT FULLY RETURN TO IDLE WHEN THE OPERATOR'S FOOT IS REMOVED FROM THE ACCELERATOR PEDAL INCREASING THE POTENTIAL FOR A VEHICLE ACCIDENT.
Remedy
DEALERS WILL INSTALL A REVISED ACCELERATOR PEDAL AND SHAFT ASSEMBLY.
THE PASSENGER COMPARTMENT IS SEPARATED FROM THE ENGINE COMPARTMENT BY AN INSULATED ENGINE COVER. THE INSULATION INSIDE THIS COVER CAN RUB AGAINST THE FUEL RETURN HOSE RESULTING IN A FUEL LEAK. ADDITIONALLY, A WIRING HARNESS CAN ALSO WEAR THROUGH CAUSING INTERRUPTION TO SOME ELECTRICAL OPERATIONS, INCLUDING THE FUEL…
Consequence
FUEL LEAKING INSIDE THE ENGINE COMPARTMENT CAN RESULT IN A FIRE WHEN EXPOSED TO A SOURCE OF IGNITION. FAILURE OF THE ELECTRIC FUEL PUMP CAN CAUSE POOR PERFORMANCE AND POSSIBLE STALLING CREATING A ROAD HAZARD WHICH CAN RESULT IN AN ACCIDENT.
Remedy
DEALERS WILL REPLACE THE RUBBER FUEL LINE HOSE WITH A SOLID STEEL LINES AND ROUTE THE LINE TO PROVIDE ONE INCH OF CLEARANCE TO THE COVER. ALSO, THE WIRING HARNESS COVER WILL BE REPLACED AND THE WIRING REROUTED TO GAIN SUFFICIENT CLEARANCE.
THE OIL PRESSURE SWITCH WHICH CONTROLS THE POWER TO THE ELECTRIC FUEL PUMP CAN FAIL. FAILURE IS DUE TO A MISSING RUBBER SEAL BETWEEN THE SWITCH AND THE WIRING HARNESS. THE MISSING SEAL ALLOWS CONTAMINANTS TO ENTER THE SWITCH CAUSING IT TO FAIL IN THE OPEN OR CLOSED POSITION.
Consequence
IF THE SWITCH FAILS IN THE CLOSED POSITION, THE PUMP WILL CONTINUE TO RUN WHEN THE ENGINE IS OFF, DRAINING THE BATTERY. IF THE SWITCH FAILS IN THE OPEN POSITION IT WILL CAUSE POOR PERFORMANCE AND POSSIBLY STALLING.
Remedy
DEALERS WILL INSPECT THE VEHICLES FOR THE PRESENCE OF THE SEAL. IF THE SEAL IS MISSING, THE SWITCH WILL BE REPLACED AND A NEW SEAL WILL BE INSTALLED.
Complaints by component
ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
1
POWER TRAIN:MANUAL TRANSMISSION:FLOOR SHIFT ASSEMBLY
1
STRUCTURE:BODY
1
STRUCTURE:BODY:BUMPERS
1
STRUCTURE:FRAME AND MEMBERS
1
VEHICLE SPEED CONTROL
1
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
1
VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
1
VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR
1
Total complaints9
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Accelerator stuck prior to recall.”
“Rear view mirrors are inadequate due to spare tire blocks visibility through interior rear view mirror and exterior rear view mirrors do not show wide enough angle of vision.”
“Rear view mirrors are inadequate due to spare tire blocks visibility through interior rear view mirror and exterior rear view mirrors do not show wide enough angle of vision.”
“Clip attaching radiator to fan protector fell off.”
“Rear bumper not aligned w/body.”
“Difficulty shifting gear into park position. *aw”
“Heater control fails to shut off properly, also heater emits mildew odor. *aw”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1993 AM General Hummer as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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