AI Damage2018 GMC Savana: common problems
The maker issued 684 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 684
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 219 |
| Engine and cooling | 0 | 0 | 111 |
| Powertrain | 0 | 0 | 108 |
| Electrical system | 0 | 0 | 98 |
| Engine | 0 | 0 | 67 |
| Fuel system | 0 | 0 | 51 |
| Structure | 0 | 0 | 39 |
| Wheels | 0 | 0 | 38 |
| Service brakes | 0 | 0 | 20 |
| Tires | 0 | 0 | 20 |
| Steering | 0 | 0 | 15 |
| Visibility | 0 | 0 | 15 |
| Suspension | 0 | 0 | 14 |
| Exterior lighting | 0 | 0 | 9 |
Comparison
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it
- This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance
- PI to help diagnose A/C concern
- This preliminary information communicates information about how to determine if a wheel and tires size…
- This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a…
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
- This PI Communications information on an alternative product dealers can use to perform 19-NA-255
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.
- This PI communicates the proper part numbers for transmission connectors and internal harness to prevent…
This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
- This service bulletin provides information on Tire Sidewall Irregularities
- This service bulletin provides information on replacing the intake manifold when the engine is replaced…
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- This Preliminary Information communication provides information to the technician about vehicles that have…
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions…
- The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle…
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
- This PI Addresses a possible solenoid wiring fault and how to inspect the build date to identify
NHTSA lists 684 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2018 GMC Savana?
There are no owner complaints in the NHTSA data for this year; the data comes from 684 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2018 GMC Savana?
NHTSA lists 684 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 2018 GMC Savana 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 2018 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 2026-11-04.