# Service bulletin S3815 202401

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: 10249558
- Published by NHTSA: 2024\-02\-02
- Manufacturer's number: S3815 202401
- Manufacturer's date: 2024\-01\-11
- NHTSA component: STEERING

## NHTSA's summary

Service Campaign: LR Power Steering Assist Cylinder Castle Nut Torque

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10249558-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10249558-9999.pdf)

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

## Components

Steering

## Vehicles listed

- 2024 MACK LR
- 2024 MACK LR ELECTRIC
- 2024 MACK LRBE \(ELECTRIC\)

## Recalls for the same vehicles and component

- [23V713000](/recalls/nhtsa/23V713000.md), 2023-10-24: STEERING

## Other bulletins for the same vehicles and component

- [CBR 2440\-3 202601](/bulletins/11028042.md), 2026-02-03, Service bulletin: STEERING. CBR \- Mack Chassis \- Model LR \- Linear Assist Cylinder Repair.
- [S3857 202402](/bulletins/10251335.md), 2024-03-06, Service bulletin: STEERING; SUSPENSION. Service Campaign \- MMD Suspension Bracket Torque.
- [S3275](/bulletins/10238816.md), 2023-07-06, Service bulletin: STEERING. Campaign \- Mack trucks has determined that certain AN, GR, and PI models were built using the incorrect power steering cooler hose clamps.

JSON: [/v1/bulletins/10249558](/v1/bulletins/10249558)

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