The 1993 GMC G20 has 1 NHTSA recall campaign affecting an estimated 1,793 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the service brakes, hydraulic. Last updated July 5, 2026.
THESE VEHICLES WERE EQUIPPED WITH INCORRECT SPARE WHEELS. THE USE OF AN INCORRECT SPARE WHEEL IN A MOUNTED POSITION CAN, UNDER CERTAIN LOAD CONDITIONS, EVENTUALLY CAUSE THE WHEEL TO CRACK AND POSSIBLY SEPARATE FROM THE VEHICLE.
SHOULD THE WHEEL CRACK AND SEPARATE FROM THE VEHICLE, LOSS OF VEHICLE CONTROL CAN OCCUR, RESULTING IN A VEHICLE CRASH WITHOUT WARNING.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“While driving on wet road traveling 35mph, applied brakes, and there were no brakes. Went straight through an intersection. On highway at 45-50mph and exiting off the ramp, hit gravel a vehicle stopped ahead. Consumer had to quickly apply brakes. But, again there were no brakes. Contacted dealer,…”
“When applying the abs brakes on dry pavement pedal nearley went to the floor, causing extended stopping distance . Please give any further details. *ak”
“Automatic transmission sun gear has a high rate of failure, per dealership. When it fails reverse gear malfunctions, and then all other gears fail to function. Dealership indicated that transmission needed reinforcement by using thicker material for the collar spine. This part failed twice within…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1993 GMC G20 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.