The 1988 GMC Suburban has 2 NHTSA recall campaigns affecting an estimated 1,703,157 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 8 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.
DRIVERS SEAT AND/OR SHOULDER BELT LOCKING MECHANISM MAY NOT OPERATE.
IN A CRASH, AFFECTED BELTS WOULD NOT LOCK, THEREBYINCREASING THE POSSIBILITY OF INJURY TO THE SEAT OCCUPANT.
INSTALL A NEW DRIVERS SEAT BELT ASSEMBLY.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“I just bought the vehicle in june and didn't realize that it had two atx tires on it until one went flat and I went to have it repaired. The tire dealer said the tread had separated and the tire was unsafe and should be replaced. He also said the recall had expired. How can a recall expire? I…”
“Consumer request assistance in getting gm to reimburse her for the defective parts installed in her 1988 suburban.*mr while driving 60 mph the vehicle vibrated severely. *nm”
“Shoulder belts needed to be replaced. Dealer did not seem concerned about safety aspect of problem. Manufacturer could only say that it was very poorly produced. They could only say it was discontinued. Consumer was willing to pay for the installation & equipment. *ak”
“Intermittent stalling. *sd”
“When jacking the truck up the gears, the jack locks up and the jack will not let the truck down. Please describe. *ak”
“Driver's seat back anchor bolt sheared off prior to recall (93v-187), causing seat to fall backwards. (other vehicle on 480470). *skd”
“Four seat belts in vehicle, none of the buckles will lock. *dsh”
“During collision consumers were ejected from vehicle. (attorney for consumers)”
INADEQUATE EXHAUST HEAT SHIELD
There is no summary currently available
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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 1988 GMC Suburban as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.