The 1991 GMC C1500 has 1 NHTSA recall campaign affecting an estimated 1,702,880 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 5 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.
“Windshield wipers often stop working without warning. Very dangerous situation when it is raining. You can sometime pull on the wiper blades to get the wipers to start working again but sometimes this doesn't work either. *jb”
“For the record I wanted to inform you that I had one wilderness at iii come apart on me at approx 70 mph it was a rear tire and caused no accident but the seperated tread did do damage to my fender. This occured before I had any knowledge of the recall, since then I found a second tire that was…”
“Driver's buckle failed to latch properly. Dealer notified and replaced buckle on 10-21-94 with approximately 20,000 miles of wear. At approximately 40,000, on 5-17-99, buckle failed to latch again. Dealer notified and refused to correct problem.seeking help from nhtsa in this matter. *ak”
“While driving vehicle the engine caught on fire. (ohio state police report)”
“While driving at any speed and applying the brakes, brake pedal went straight to the floorboard and did not stop vehicle.consumer had to pump the brakes due to the abs system which kicked in, and caused the brakes not to work. *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 C1500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.