Problems owners report
Complaints filed with NHTSA about the 1988 GMC Suburban, by the system named in each complaint. One complaint can name several.
- Seat belts2
- Structure1
- Seats1
- Engine and engine cooling1
- Tires1
- Suspension1
- Equipment1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 2 deaths reported
Compared with other years
NHTSA ODI complaints by model year
New York safety inspections
At its first New York inspection the 1988 GMC Suburban failed the safety check 1.56% of the time — 54% more often than the average 1988 passenger car (1.01%). Median odometer at inspection: 75,909 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Recalls in Canada
4 Transport Canada recalls for the 1988 GMC Suburban.
| 1995096 1 Jun 1995 | Fuel System On certain vehicles, the service-part fuel tanks may have one or more pairs of the six projection welds which attach the sender-unit ring to the tank that do no… |
| 1993141 14 Oct 1993 | Powertrain NOTE: R/V SUBURBAN TRUCKS - 2 WHEEL AND 4 WHEEL DRIVE VEHICLES WITH AUTOMATIC TRANSMISSIONS. VEHICLES MAY DEVELOP AN ABNORMAL PRESSURE BUILD-UP IN THE TRANSMIS… |
| 1993120 20 Aug 1993 | Brakes On certain K1500, Astro, Safari and Suburban vehicles, corrosion of the composite front brake rotors could cause separation of the stamped steel centre section … |
| 1989017 14 Feb 1989 | Seats And Restraints THE DRIVER'S SEAT AND/OR SHOULDER BELT LOCKING MECHANISM MAY BE INOPERABLE ON THESE VEHICLES. IN DAY TO DAY USAGE OF THE LAP/SHOULDER BELT, A DRIVER MAY NOT NOT… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.
DRIVERS SEAT AND/OR SHOULDER BELT LOCKING MECHANISM MAY NOT OPERATE.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What GMC told its dealers about the 1988 GMC Suburban: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 39070 | NEW CAST IRON EXHAUST MANIFOLD AND STAINLESS STEEL GASKET TO CORRECT ENGINE NOISE CONDITION. *TW |
| 10007838 | DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT |
NHTSA manufacturer communications (public domain)
NHTSA investigations
SEAT BACK BOLT BREAKAGE
SEAT BACK FAILURES
INADEQUATE EXHAUST HEAT SHIELD
IMPROPER SPEED CONTROL
CRUISE CONTROL
NHTSA Office of Defects Investigation