# Service bulletin WB\_653

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: 10245218
- Published by NHTSA: 2023\-11\-12
- Manufacturer's number: WB\_653
- Manufacturer's date: 2023\-10\-02
- NHTSA component: STEERING; SUSPENSION

## NHTSA's summary

Improper installation of the vent lines that connect the wheel ends and carrier can cause the seals to blow out and leak oil. This document is to alert our dealers to check the T3 rear axles in their coverage area and to provide how to correct improper routings and installations of vent lines and breathers.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245218-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245218-9999.pdf)

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

## Components

Steering, Suspension

## Vehicles listed

- 1999 to 2006 PIERCE CUSTOM CHASSIS

JSON: [/v1/bulletins/10245218](/v1/bulletins/10245218)

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