Supply: reservoir/tank
Risk. Insufficient air volume can reduce braking performance and increase the risk of a crash.
NHTSA has logged 8 owner complaints about the 2020 Kenworth T680, most often about the power train. It is covered by 8 safety recalls, and for recall 24V-145 the manufacturer reports only 24% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through December 8, 2024. Updated daily.
8 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Power train | 5 | 0 |
| Service brakes | 2 | 0 |
| Forward collision avoidance | 1 | 0 |
| Vehicle speed control | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. Insufficient air volume can reduce braking performance and increase the risk of a crash.
Risk. Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.
Risk. The operator may be unaware of a system malfunction or the presence of excessive methane levels, increasing the risk of injury or fire.
Risk. Longer than expected service-brake release timing may lengthen vehicle stopping distance, increasing the risk of a crash.
Risk. If the driver unknowingly operates the vehicle without the ABS functioning, there would be an increased risk of a crash.
Risk. If the mirror glass detaches, the driver may have reduced visibility and the mirror glass will become a road hazard that may strike another vehicle or…
Risk. Unexpected vehicle movement may increase the risk of a crash or injury.
Risk. Without lubricating oil, the bearings, hub and axle shafts may wear, resulting in the separation of a wheel end from the axle, increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Kenworth.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the T680 median. How we score
Recent power train complaints filed with NHTSA, shortened. Personal details are removed.
Right-hand shift stalk between the shifter and the transmission is causing the vehicle to become disabled while stopped and unable to go from forward to reverse. Also getting SPN 639 pop-up when communication has been lost between the engine control module (ECM) and SAE J1939 data link. The check…
The clutch Spring on these trucks have been failing heavily. We have a couple more of these trucks and they all have the same issue. the housing for the clutch springs are cracked or damaged at less than 500,000 miles on a heavy duty truck. These clutches are supposed to last over 1MM miles. Its…
My circumstances are EXACTLY as described in a release 12/19/2019 Tech Service Bulletin A002 I experienced the vibration in my steering wheel that caused me to be suspect that there was something wrong in the drive train. Upon further investigation. I noticed that an oil seal was leaking, and when…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.