NHTSA ID Number: 10202385
Manufacturer Communication Number: PIT5544E
Summary
This Preliminary information communicates information on a hydraulic rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
Condition
Some customers may comment on a hydraulic rush or flow type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
SEOCONTENT-START
Bulletin No.: PIT5544E Published date: 09/1/2021 Preliminary Information PIT5544E Normal Characteristic – Hydraulic Rush Noise from Power Steering Gear Models Brand: Chevrolet
GMC Model: Silverado 2500/3500 Sierra 2500/3500 Model Years: 2016 – 2022 2016 – 2022 VIN: from to All All All All Engine: All All All All Transmissions: Involved Region or Country Additional Options (RPO) Condition North America NV8 Some customers may comment on a hydraulic rush or flow type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off. Version History Version 5 1/18/2017 – Created on 10/13/2017 – Updated Model Years 10/12/2018 – Updated Model Years Modified 10/14/2019 – Updated Model Years 3/5/2021 – Updated Model Years 9/1/2021 – Updated Model Years
SEOCONTENT-END
28 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CHEVROLET | SILVERADO 2500 | 2016-2022 |
| CHEVROLET | SILVERADO 3500 | 2016-2022 |
| GMC | SIERRA 2500 | 2016-2022 |
| GMC | SIERRA 3500 | 2016-2022 |
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5544E
Published date: 09/1/2021
NHTSA ID Number: 10147373
Manufacturer Communication Number: PIT5544B
Summary
This Preliminary information communicates information on a hydraulic rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5544B
Published date: 10/12/2018
- Auto & Truck Maintenance
- Country of manufacture: United States
- Manufacturer: VALVOLINE
- High quality power steering fluid and conditioner
- Stops Noise
- Stops slipping
- Helps prevent unusual wear
- Protects seals
- Adds Lubricity to help stop wear and improve performance
- Seals and helps prevent small leaks
- Foam inhibitors help extend fluid life
- Protects against wear and pump breakdown caused by abnormal wear, oxidation, and foaming
- Performs even in sub-zero treatment
- Specifically designed for power steering units
- The service solution for ALL European, North American, and Asian vehicles (Honda fluid recommended for Honda/Acura vehicles)
- Reduces friction and protects seals and hoses - extending the life of the power steering system
- Provides excellent cold and high temperature performance eliminating "morning sickness" stiffness
- Excellent for use in electric hydraulic systems
- Cleans and frees sticky turbines and pumps
Last update on 2026-05-27 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.