# Service bulletin PIE0573A

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: 10183786
- Published by NHTSA: 2020\-12\-07
- Manufacturer's number: PIE0573A
- Manufacturer's date: 2020\-10\-28
- NHTSA component: SUSPENSION

## NHTSA's summary

This engineering information \(EI\) is requesting information from technicians to perform the inspection and verify that the rear axle dampener \(TVA\) is loose after a loud banging noise is heard from the rear of the vehicle while in motion and contact the engineer listed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183786-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10183786-9999.pdf)

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

## Components

Suspension

## Vehicles listed

- 2020 CHEVROLET SILVERADO 2500
- 2020 GMC SIERRA 2500

## 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.
- [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.
- [19\-NA\-129](/bulletins/11015042.md), 2025-03-05, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
- [21\-NA\-138](/bulletins/11014358.md), 2025-02-19, Service bulletin: SUSPENSION. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
- [19\-NA\-129](/bulletins/11008959.md), 2024-10-17, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
- [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.
- [05\-03\-08\-002J](/bulletins/11007935.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.
- [PIT6177A](/bulletins/11007736.md), 2024-09-12, Service bulletin: SUSPENSION. This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel fuel contamination that may occur during refueling after the fuel nozzle is removed from the fuel filler pipe. Dealers are to create a foam seal around the fuel filler pipe to prevent fuel from leaking onto the left spring.
- [19\-NA\-129](/bulletins/11005189.md), 2024-07-24, Service bulletin: SUSPENSION. This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
- [21\-NA\-138](/bulletins/11004990.md), 2024-07-20, Service bulletin: SUSPENSION. This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.

JSON: [/v1/bulletins/10183786](/v1/bulletins/10183786)

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