AI Damage1993 GMC Suburban: common problems
Owners of the 1993 GMC Suburban filed 212 complaints with NHTSA, most often about service brakes and visibility. Details by component below, with sources.
Key figures
- Owner complaints
- 212
- involving a crash
- 31
What fails most often
- 1 Service brakes 76% of all complaints
- 2 Visibility 9% of all complaints
- 3 Powertrain 5% of all complaints
- 4 Seat belts 4% of all complaints
- 5 Seats 3% of all complaints
- 6 Engine and cooling 3% of all complaints
- 7 Vehicle speed control 2% of all complaints
- 8 Electrical system 1% of all complaints
- Service brakes: 162 complaints (76% of all), 30 of them with a crash reported by the owner.
- Visibility: 19 complaints (9% of all).
- Powertrain: 10 complaints (5% of all), 1 of them with a crash reported by the owner.
- Seat belts: 8 complaints (4% of all).
- Seats: 7 complaints (3% of all), 1 of them with a crash reported by the owner.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 5.7 L · petrol · 8 cyl
- automatic, 4-speed
Drive: RWD, AWD
Symptoms owners describe
How many of the 212 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 162 | 30 | 0 |
| Visibility | 19 | 0 | 0 |
| Powertrain | 10 | 1 | 0 |
| Seat belts | 8 | 0 | 0 |
| Seats | 7 | 1 | 0 |
| Engine and cooling | 6 | 0 | 0 |
| Vehicle speed control | 4 | 2 | 0 |
| Electrical system | 2 | 0 | 0 |
| Equipment | 2 | 0 | 0 |
| Fuel system | 2 | 1 | 0 |
| Structure | 1 | 1 | 0 |
| Suspension | 1 | 0 | 0 |
| Tires | 1 | 0 | 0 |
| Other | 3 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The driver's side door panel rattled, the dealer found the bezel to be cracked and broken. Consumer feels vehicle gets bad gas mileage. The transmission cooler hoses and line sealing were leaking.
Ea95026; poor brake performance; when coming to a stop, driver applied the brakes, there was a loud grinding noise and it felt as though the brakes completely let go, causing the truck to slid forward and hit vehicle in front. The road was a little slick when this happened. The truck is being repaired by the dealer.
Bolts on the driver's and the passenger's bucket seats have sheared off, causiing the seats to release from the upright postion, resulting in a collision. Consumer will send repair bills.
Vehicle is equipped with abs brake system in front and back when making a sudden stop the vehicle will lurch forward increasing stopping distance at any rate of speed or weather conditions.
He took the vehicle to a mechanic and was informed that the fuel tank was rusted. A new fuel system is currently being placed in the vehicle. The contact has pictures. The purchase date was unknown. The current and failure mileages were 148,000.
Rear differential carrier on my 1993 suburban k1500 broke and locked the rear wheels, form my understanding this is a common occurance on these trucks and gm should be aware of how often these thinsg break and the potential for loss of vehicle control of this happened at high speed.
As a side note the heater core has never been replaced. Thanks for your time, al greenfield.
While driving about 75 mph left front tire had a blowout. Then, consumer found out that tire had a tread separation. Bridgestone, p-265/75r16. Consumer states tires had 65 percent tread wear left, they were properly inflated to manufacturer spec of 50 psi no excessive edge wear due to poor alignment,…
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,927 of 36,656 model years in the NHTSA data (top 5% most complained about).
On average one model year of the Suburban has 76 complaints (24 years in the data). This year has 212, above average.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Visibility. Wipers, mirrors, defrosters, cracked glass.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Seat belts. Belt pretensioners after airbag deployment, SRS codes.
Other years of this model
- Suburban 19845 sources
- Suburban 19853 sources
- Suburban 19864 sources
- Suburban 19878 sources
- Suburban 19888 sources
- Suburban 198917 sources
- Suburban 199022 sources
- Suburban 199130 sources
- Suburban 199280 sources
- Suburban 1994411 sources
- Suburban 1995227 sources
- Suburban 1996172 sources
- Suburban 1997200 sources
- Suburban 1998100 sources
- Suburban 1999285 sources
- Suburban 200015 sources
- Suburban 20015 sources
- Suburban 20027 sources
- Suburban 20035 sources
- Suburban 99995 sources
Questions and answers
What are the most common problems with the 1993 GMC Suburban?
Owner complaints to NHTSA most often mention: service brakes, visibility, powertrain. Total complaints: 212. The most frequent symptoms in complaint texts: brake failure (18%), knocking, grinding or other noise (3%), jerking, harsh shifts (2%).
How many service bulletins (TSB) were issued for the 1993 GMC Suburban?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1993 GMC Suburban from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1993 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.