AI DamagePaccar MX-13: problems, complaints, bulletins
Summary for the Paccar MX-13 across 6 model years: 0 owner complaints and 72 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) |
|---|---|---|---|
| Engine and cooling | 0 | 0 | 82 |
| Engine | 0 | 0 | 61 |
| Equipment | 0 | 0 | 33 |
| Electrical system | 0 | 0 | 26 |
| Powertrain | 0 | 0 | 22 |
| Fuel system | 0 | 0 | 8 |
| Fuel/propulsion system | 0 | 0 | 3 |
| Structure | 0 | 0 | 3 |
| Vehicle speed control | 0 | 0 | 2 |
| Wheels | 0 | 0 | 2 |
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- "Kenworth
- The attached procedure has been updated to improve clarity
- Kenworth - The Warranty section has been updated to include Peterbilt-specific SRT codes for…
- Expiration Date Format Update - Certain EPA21 compliant PACCAR MX-13 engines were built with intake valve…
- EPA17-24 MX-13 Fuel Injector Connector - This bulletin has been revised to include EPA24 PACCAR MX-13 engines
- Certain EPA21 compliant PACCAR MX-13 engines were built with intake valve springs that could fail
- EPA 17-21 MX-13 Fuel Injector Connector SRTs have been added to the SRT tables in PRWS for replacement of…
- A new Level 1 required MX-11 and MX-13 Oil Pressure Switch Breakout Harness is now available for order
- In an MX Engine is replaced, a TCS365 case must be opened to get a replacement engine emissions compliance…
- Fuel Injector Pump Part#2185361 for MX-13 Engines has been added to the warranty policy
- Condition, Chassis Affected, and Warranty sections updated with the following verbiage “E311 must be…
- "Campaign New and improved software is now required for chassis equipped with an Engine Model Year 2016…
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.