# Service bulletin 20NA156

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: 10214201
- Published by NHTSA: 2022\-06\-21
- Manufacturer's number: 20NA156
- Manufacturer's date: 2022\-01\-27
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION:REAR:AXLE:SPINDLE; SUSPENSION:REAR:AXLE:NON\-POWERED AXLE ASSEMBLY; SERVICE BRAKES

## NHTSA's summary

This technical bulletin provides a procedure to replace the rear axle c\-clips if found the cause of the customers concern.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214201-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214201-9999.pdf)

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

## Components

Brakes, Equipment and accessories, Suspension

## Vehicles listed

- 2015 to 2021 CHEVROLET COLORADO
- 2015 to 2021 GMC CANYON

## Recalls for the same vehicles and component

- [21V497000](/recalls/nhtsa/21V497000.md), 2021-07-01: EQUIPMENT:OTHER:LABELS
- [2015575](/recalls/tc/2015575.md), 2015-11-30: Accessories
- [15V278000](/recalls/nhtsa/15V278000.md), 2015-05-12: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
- [2015192](/recalls/tc/2015192.md), 2015-05-11: Brakes

## Other bulletins for the same vehicles and component

- [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- [17\-NA\-394](/bulletins/11017245.md), 2025-04-26, Service bulletin: SUSPENSION. This technical bulletin provides a procedure for lubricating the rear leaf springs and re\-torque the bolts to correct a squeak, clunking noise.
- [25\-NA\-065](/bulletins/11017173.md), 2025-04-24, Service bulletin: STEERING; SERVICE BRAKES; FUEL/PROPULSION SYSTEM. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- [05\-03\-07\-009L](/bulletins/11015409.md), 2025-03-08, Service bulletin: SUSPENSION; WHEELS. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
- [17\-NA\-394](/bulletins/11015202.md), 2025-03-06, Service bulletin: SUSPENSION. This technical bulletin provides a procedure for lubricating the rear leaf springs and re\-torque the bolts to correct a squeak, clunking noise.
- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [17\-NA\-394](/bulletins/11012928.md), 2025-01-18, Service bulletin: SUSPENSION. This technical bulletin provides a procedure for lubricating the rear leaf springs and re\-torque the bolts to correct a squeak, clunking noise.
- [PIT5696H](/bulletins/11011779.md), 2024-12-12, Service bulletin: SERVICE BRAKES. This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by the customer.
- [21\-NA\-043](/bulletins/11011709.md), 2024-12-10, Service bulletin: STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [05\-03\-08\-002J](/bulletins/11007936.md), 2024-09-20, Service bulletin: SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.

JSON: [/v1/bulletins/10214201](/v1/bulletins/10214201)

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