Kenworth T370: problems, complaints, bulletins
Summary for the Kenworth T370 across 8 model years: 0 owner complaints and 31 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 30 |
| Equipment | 0 | 0 | 22 |
| Fuel system | 0 | 0 | 13 |
| Service brakes | 0 | 0 | 11 |
| Engine | 0 | 0 | 8 |
| Engine and cooling | 0 | 0 | 8 |
| Powertrain | 0 | 0 | 8 |
| Vehicle speed control | 0 | 0 | 8 |
| Steering | 0 | 0 | 6 |
| Visibility | 0 | 0 | 6 |
| Structure | 0 | 0 | 5 |
| Fuel/propulsion system | 0 | 0 | 4 |
| Wheels | 0 | 0 | 4 |
| Forward collision avoidance | 0 | 0 | 3 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- "Kenworth
- The verbiage in the Introduction section has been updated
- Bogie Crossmember Torque Value Update - Procedure has been updated to correct torque values
- Certain vehicle model years 2020-2025 K270, K370, T270, T280, T370, T380, T480, T680, T880, W900 chassis…
- SAFETY RECALL Additional chassis have been included
- Info Only - Parts kits are now available to install the Bendix Side Collision Mitigation Radar system…
- Info Only - PACCAR is introducing Over-the-Air (OTA) software updates for engine MY17 and newer chassis…
- Safety Recall â Interim Notification - The Dana D-Series front axle steer arm fasteners that attach…
- Information Only
- Fix-As-Fail â Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are…
- âSafety Recall - Model year 2021 Cummins PX9 fuel hose assemblies may leak from the hoses between the…
- Safety Recall â Cummins Fuel Rail Leak â NHTSA ID
Other models of this make
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.