# Service bulletin 44\-029

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: 10136234
- Published by NHTSA: 2018\-05\-07
- Manufacturer's number: 44\-029
- Manufacturer's date: 2018\-03\-02
- NHTSA component: FUEL SYSTEM, OTHER:FUEL FILTER; ENGINE AND ENGINE COOLING; SERVICE BRAKES, AIR:DISC:CHAMBER

## NHTSA's summary

Non\-Safety Campaign \- The coolant lines connected to the fuel filter may interfere with the brake chamber on certain T680/T880 vehicles. Repeated interference may cause the fittings to break and leak coolant.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136234-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136234-0001.pdf)

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

## Components

Brakes, Engine, Fuel system, Fuel filter

## Vehicles listed

- 2017 KENWORTH T680
- 2017 KENWORTH T880

## Other bulletins for the same vehicles and component

- [03\-087 \(E295\)](/bulletins/10232496.md), 2023-03-06, Service bulletin: FUEL SYSTEM, OTHER:FUEL FILTER; ENGINE AND ENGINE COOLING. Certain Model Year 2021\-2024 chassis with PACCAR MX engines and optional fuel filter restriction virtual gauge may display incorrect restriction levels. The virtual gauge will be temporarily disabled until a revised sensor strategy is developed.

JSON: [/v1/bulletins/10136234](/v1/bulletins/10136234)

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