# Service bulletin PIP5945

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: 10246026
- Published by NHTSA: 2023\-12\-04
- Manufacturer's number: PIP5945
- Manufacturer's date: 2023\-10\-27
- NHTSA component: POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:SHAFT:OUTPUT

## NHTSA's summary

This Preliminary information communicates how to inspect and verify propeller shaft phasing concerns on Medium Duty Silverado's

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10246026-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10246026-9999.pdf)

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

## Components

Transmission and driveline, Manual transmission

## Vehicles listed

- 2019 to 2020 CHEVROLET SILVERADO 4500

## Other bulletins for the same vehicles and component

- [N222376590](/bulletins/10217003.md), 2022-08-02, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Service Update \- certain vehicles may have a transmission control module that may not have been correctly programmed. Dealers are to reprogram the transmission control module.
- [PIP5810](/bulletins/10201286.md), 2021-09-13, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:SEALS/GASKETS. This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development.
- [990420002L](/bulletins/10200154.md), 2021-08-09, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
- [030729004L](/bulletins/10160133.md), 2019-05-20, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.

JSON: [/v1/bulletins/10246026](/v1/bulletins/10246026)

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