Service bulletins for the 2014 Kenworth T880
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
37 on file from NHTSA, as of 2026-10-19.
By type
By component
| TT8136 | 2018-04-16. Service bulletin. POWER TRAIN. Tip for technicians to avoid a conflict with the engine controller when re-programming the transmission |
|---|---|
| 18-008 | 2018-02-12. Service bulletin. WHEELS:HUB; WHEELS. Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps. |
| 7-17 | 2018-02-12. Service bulletin. WHEELS:HUB; WHEELS. Fix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps. |
| 34-060 | 2017-10-12. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; TRAILER HITCHES. Non Safety Campaign: The circuit for the Trailer Hotline/Trailer Power may not be properly protected on Model T680/T880 vehicles equipped with this option. |
| 43-048 | 2017-10-12. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Fix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser. |
| 41-016 | 2017-03-27. Service bulletin. EQUIPMENT; ENGINE. NON-SAFETY CAMPAIGN: REPLACE THE MOLDED AIR INTAKE PIPE, WHICH CAN CRACK AND ALLOW ROAD DEBRIS INTO THE ENGINE. DEBRIS ENTERING THROUGH THE INTAKE MAY CAUSE SEVERE ENGINE DAMAGE. |
| 16-038 | 2017-02-18. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. NON-SAFETY CAMPAIGN: WATSON & CHALIN LIFT AXLE FRAME BRACKETS WITH SLOTTED LOWER MOUNTING HOLES MAY EXHIBIT CRACKING WHEN FASTENERS ARE POSITIONED AT THE UPPER PORTION OF THE SLOT. INSTALLING A DOUBLER PLATE MAY PREVENT CRACKS FROM DEVELOPING. FOR VEHICLES WHERE CRACKING IS EVIDENT, A NEW UPDATED SIDE PLATE WILL BE INSTALLED. |
| 01-068 | 2017-02-18. Service bulletin. EQUIPMENT. FIX-AS-FAIL: AN INTERNAL ISSUE MAY CAUSE SOME HVAC MODE DOOR ACTUATORS TO FAIL. THIS WILL CAUSE THE HVAC SYSTEM TO ACT ERRATICALLY OR CONSTANTLY TURN ON AND OFF. |
| 27-026 | 2017-02-18. Service bulletin. ENGINE. FIX-AS-FAIL - ENGINE OVER-SPEED LAMP COULD COME ON AFTER A DOWNSHIFT WITH THE EATON ULTRASHIFT PLUS TRANSMISSION. THIS DOES NOT AFFECT THE FUNCTION OF THE VEHICLE. |
| E117 | 2016-07-07. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. PRODUCT IMPROVEMENTS AVAILABLE FRONT ENGINE ACCESSORY DRIVE (FEAD) UPDATE - IMPROVE THE LIFE OF AIR CONDITIONING COM0RESSOR CLUTCH BEARING. |
| TIB-42-052 | 2014-10-24. Service bulletin. EQUIPMENT. KENWORTH: TWO RELATED ISSUES CONCERNING MISDIAGNOSE LOW COOLANT CONDITION AND UNNECESSARY COOLANT PUMP REPLACEMENT DUE TO NOT ABLE TO DIFFERENTIATE BETWEEN NORMAL SEEPAGE OF COOLANT AND A TRUE LEAKAGE FROM PUMP. MODEL T680, T880. *PE |
| TIB-E-087 | 2014-08-16. Service bulletin. ENGINE. KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A MAX GOVERNED CC SPEED, ON SOME TRUCKS, WAS PROGRAMMED INCORRECTLY AND LIMITS MAXIMUM DEFAULT SPEED TO 63 MPH. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.