The 1991 GMC K1500 has 1 NHTSA recall campaign affecting an estimated 1,702,880 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the seat belts. 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.
“My 1991 gmc sierra has defective seat belts. The seat belt does not click and hold on both the passenger side and driver side. I would like to know if the manufacturer is still liable for a defect such as that. *jb”
“Steering wheel disconnected & fell off while turning in a drive through window. Vehicle was towed to a garage to have work done. Gmc manufacturer was contacted & would like to plug up for diagnostic testing. Consumer was concerned abot who will cover cost of repair. Gmc did not guaranty to pay for…”
“Defective paint.”
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 K1500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.