# Service bulletin 18NA107

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: 10137544
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: 18NA107
- Manufacturer's date: 2018\-04\-06
- NHTSA component: STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

## NHTSA's summary

This technical bulletin provides a procedure on how to install a lower cross member to correct the condition of if the cross member rusts away.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137544-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137544-0001.pdf)

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

## Components

Body and frame

## Vehicles listed

- 2007 to 2010 CHEVROLET SILVERADO 1500
- 2007 to 2010 CHEVROLET SILVERADO 2500
- 2007 to 2010 GMC SIERRA 2500
- 2007 to 2010 GMC SIERRA DENALI

## Other bulletins for the same vehicles and component

- [23\-NA\-219](/bulletins/11009764.md), 2024-11-05, Service bulletin: UNKNOWN OR OTHER; STRUCTURE:BODY. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
- [PI0437A](/bulletins/10254213.md), 2024-05-06, Service bulletin: STRUCTURE. Appearance of Discoloration or Corrosion Near Edges.
- [PI0281K](/bulletins/10250244.md), 2024-02-14, Service bulletin: STRUCTURE. This preliminary informational \(PI\) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
- [PIT5201](/bulletins/10247756.md), 2023-12-26, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. Driver or Passenger Door Module DTC B2555.
- [PIT5180A](/bulletins/10247738.md), 2023-12-26, Service bulletin: STRUCTURE. Whistle Noise From Drivers Side A Pillar Area.
- [PIT5180](/bulletins/10247737.md), 2023-12-26, Service bulletin: STRUCTURE. Whistle Noise From Drivers Side A Pillar Area
- [PIT5201](/bulletins/10247101.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. Driver or Passenger Door Module DTC B2555.
- [PIT5180A](/bulletins/10247083.md), 2023-12-11, Service bulletin: STRUCTURE. Whistle Noise From Drivers Side A Pillar Area.
- [PIT5180](/bulletins/10247082.md), 2023-12-11, Service bulletin: STRUCTURE. Whistle Noise From Drivers Side A Pillar Area
- [120421001B](/bulletins/10245773.md), 2023-12-04, Service bulletin: STRUCTURE; UNKNOWN OR OTHER. Transfer Case Identification First Design vs. Second Design

JSON: [/v1/bulletins/10137544](/v1/bulletins/10137544)

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