# Service bulletin 18NA163

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: 10155102
- Published by NHTSA: 2019\-03\-25
- Manufacturer's number: 18NA163
- Manufacturer's date: 2018\-11\-02
- NHTSA component: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM; SUSPENSION:FRONT:CONTROL ARM

## NHTSA's summary

This technical bulletin provides a procedure to replace both front lower control arms to correct the condition of Front End Rattle Noise when Braking Moderate or Hard on Rough Surfaces due to metal on metal contact within the control arms.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10155102-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10155102-9999.pdf)

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

## Components

Suspension, Control arm

## Vehicles listed

- 2017 to 2018 BUICK LACROSSE
- 2018 BUICK REGAL

JSON: [/v1/bulletins/10155102](/v1/bulletins/10155102)

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