The 1991 GMC K3500 has 1 NHTSA recall campaign affecting an estimated 1,702,880 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 2 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.
THE VENTED TRANSMISSION FLUID CAN CATCH FIRE IF EXPOSEDTO A SOURCE OF IGNITION.
INSTALL A LONGER TRANSMISSION VENT HOSE ROUTED TO THE LEFT SIDE OF THE ENGINE COMPARTMENT OF THE VEHICLE.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“When driving at any speed lost all power. Also, transmission was slipping.consumer can't determine the problem. *ak”
“When driving at any speed lost all power. Also, transmission was slipping.consumer can't determine the problem. *ak”
There is no summary currently available
There is no summary currently available
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1991 GMC K3500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.