# Service bulletin 14\-033

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.

- Type: Service bulletin
- NHTSA id: 10244493
- Published by NHTSA: 2023\-11\-10
- Manufacturer's number: 14\-033
- Manufacturer's date: 2023\-10\-18
- NHTSA component: STRUCTURE

## NHTSA's summary

14\-033: T680/T880/W990 Crossmember Fastener Torque Certain chassis may have under\-torqued crossmember fasteners. Frame crossmember gusset fasteners must be re\-torqued to prevent damage from frame vibration and movement.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244493-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244493-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame

## Vehicles listed

- 2023 KENWORTH T680
- 2023 KENWORTH T880
- 2023 KENWORTH W990

## Recalls for the same vehicles and component

- [22V582000](/recalls/nhtsa/22V582000.md), 2022-08-04: STRUCTURE: UNDERRIDE; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

## Other bulletins for the same vehicles and component

- [02\-206](/bulletins/11037622.md), 2026-10-01, Service bulletin: STRUCTURE:BODY. Certain T680 Next Gen short hood chassis may be missing a bolt in the forward fairing.
- [04\-024](/bulletins/11000748.md), 2024-06-04, Service bulletin: STRUCTURE:BODY. Campaign Certain T680 Next Gen fairings may have a loose or missing bushing that allows the rear partial fairing to rattle during operation. Parts and procedures are available to replace the pin on the fairing \(both sides\) with a bolt/spacer combination to reduce fairing rattle.
- [04\-022](/bulletins/10243362.md), 2023-10-03, Service bulletin: STRUCTURE. Replacement fuel bezels are available for T680 Next Gen fairings. New bezels have updated attachments to prevent the bezel from becoming loose.
- [02\-174](/bulletins/10241501.md), 2023-09-01, Service bulletin: ENGINE AND ENGINE COOLING; STRUCTURE; EQUIPMENT. Certain W990 hood\-mounted engine air intake covers could loosen and rattle or separate from vehicle. New air intake covers are available with improved retention. Installation of new covers requires hood modification. Procedures are available for replacement of hood\-mounted engine air intake covers.
- [02\-184](/bulletins/10241498.md), 2023-09-01, Service bulletin: STRUCTURE. Certain W990 chassis may have hood hardware that could loosen. Additionally, some chassis may have hood rests that are too rigid causing excessive noise. Hood attaching hardware and hood rests will be replaced as necessary.

JSON: [/v1/bulletins/10244493](/v1/bulletins/10244493)

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