The 1988 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 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.
“Just bought this truck & am having issues with the seat belts. The shoulder strap does not stay in secure position & does not work on the drivers side or passenger side. Was told this was & is a common problem & should have been in a safety recall. & I want to have safe working seat belts when we…”
“Just bought this truck & am having issues with the seat belts. The shoulder strap does not stay in secure position & does not work on the drivers side or passenger side. Was told this was & is a common problem & should have been in a safety recall. & I want to have safe working seat belts when we…”
SUMMARY: COMPLAINTS ALLEGE POOR BRAKING PERFORMANCE INCLUDING EXCESSIVE STOPPING DISTANCE, INABILITY TO LOCK FRONT WHEELS, OR PEDAL GOES TO FLOOR. THIS IS THE FIRST YEAR OF A NEW DESIGN FOR THESE MODELS. POSSIBLE INSUFICIENT POWER ASSIST ON SOME VEHICLES. ALL TRUCKS ARE EQUIPPED WITH REAR ANTI-LOCK BRAKES.
There is no summary currently available
SUMMARY OF INFORMATION FROM MANUFACTURER:ON SOME 1988 C/K MODEL TRUCKSTHE BRAKE LIGHTS HAVE BEEN FOUND TO STAY ON AFTER THE BRAKE PEDAL HAS BEENRELEASED.IN A MAJORITY OF CASES, THE STOPLAMP SWITCH BEING MISADJUSTEDHAS BEEN THE CAUSE.OTHER POSSIBILITIES INCLUDE (A) BINDING AT THE EYELET OF THE BRAKE BOOSTER ROD AND…
SUMMARY: COMPLAINTS ALLEGE POOR BRAKING PERFORMANCE. THIS IS THE FIRST YEAR OF A NEW DESIGN FOR THESE MODELS. POSSIBLE INSUFICIENT POWER ASSIS ON SOME MODELS. ALL TRUCKS ARE EQUIPPED WITH REAR ANTI-LOCK BRAKES
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1988 GMC K3500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.