# Service bulletin PIE0573

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: 10179535
- Published by NHTSA: 2020\-09\-08
- Manufacturer's number: PIE0573
- Manufacturer's date: 2020\-07\-13
- NHTSA component: STRUCTURE; 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-10179535-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10179535-9999.pdf)

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

## Components

Body and frame, Suspension

## Vehicles listed

- 2020 CHEVROLET SILVERADO 2500
- 2020 CHEVROLET SILVERADO 3500
- 2020 GMC SIERRA 2500
- 2020 GMC SIERRA 3500

## Recalls for the same vehicles and component

- [2024061](/recalls/tc/2024061.md), 2024-02-01: Structure
- [20V324000](/recalls/nhtsa/20V324000.md), 2020-06-04: LATCHES/LOCKS/LINKAGES:HOOD:LATCH; STRUCTURE:BODY:HOOD
- [2020097](/recalls/tc/2020097.md), 2020-03-12: Structure

## Other bulletins for the same vehicles and component

- [25\-NA\-114](/bulletins/11022868.md), 2025-09-06, Service bulletin: STRUCTURE:BODY. This informational bulletin provides information on Anti\-Chip Coating Appearance.
- [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.
- [19\-NA\-255](/bulletins/11016944.md), 2025-04-10, Service bulletin: STRUCTURE:BODY. This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting \(U.S. and Canada Only\).
- [24\-NA\-046](/bulletins/11015605.md), 2025-03-13, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
- [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.
- [05\-08\-51\-001L](/bulletins/11015382.md), 2025-03-08, Service bulletin: STRUCTURE:BODY. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
- [PIE0818](/bulletins/11015146.md), 2025-03-06, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the outside rearview mirror skull cap missing.
- [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.
- [22\-NA\-068](/bulletins/11014579.md), 2025-02-28, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY; BACK OVER PREVENTION: WARNINGS. This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
- [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.

JSON: [/v1/bulletins/10179535](/v1/bulletins/10179535)

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