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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
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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
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- 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
- Keeps power-steering systems running smoothly and helps stop or reduce fluid loss caused by leaky seals
- Formulated with high-quality oil and fortified with additives to revitalize dried, shrunken, and hardened seals
- Developed for use in GM, Ford
, Chrysler, and most foreign cars and light trucks - Anti-wear agents protect pump components
- Corrosion inhibitors to protect metal components
, Chrysler, and most foreign cars and light trucks
- High quality power steering fluid and conditioner
- Stops Noise
- Stops slipping
- Helps prevent unusual wear
- Protects seals
- The information below is per-pack only
- Premium full-synthetic formulation specifically engineered for Asian vehicles
- Provides protection against wear, foaming, and corrosion to maintain optimal performance
- Designed for extreme temperatures while also providing excellent operation in low temperatures
- Delivers excellent oxidative stability for extended fluid life
- For 2007 and up Honda and Acura vehicles, Backwards compatible with older Honda and Acura vehicles
- Lubricates and reduces wear in the pump, Prevents rust of the steel parts
- Lubricates and fights wear on the gear faces of the turning mechanism (eg. Rack and pinion)
- Protects and cleans the seals and hoses
- Contains no seal swellers
- 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
- REDUCES NOISE AND SMOOTHES OUT HARD STEERING: A unique dual cavity bottle containing a combination of the best performance additives to repair the most common power steering fluid related problems.
- STOPS LEAKS AND RECONDITIONS RACK & PINION: Power Steering Repair can be used to top-off the existing fluid when low, or add a bottle when changing fluid.
- RESTORES PREFORMANCE: Works on all vehicles, domestic and import.
- ADDS PROTECTION: Compatible with ALL types of power steering fluid or ATF, including petroleum, mineral oil and synthetic formulas.
- REPAIR-IT: Power Steering Repair-It works with all types of power steering fluid or ATF
- Adds Lubricity to help stop wear and improve performance
- Seals and helps prevent small leaks
- Foam inhibitors help extend fluid life
- Keeps seals and O-rings pliable
- Prevents corrosion and squealing under severe conditions
- Protects against pump breakdown
- Not for use in Honda or Acura vehicles
- 1 bottle treats 4 to 5 quarts of oil
- Stops and seals steering fluid leaks
- Works with all types of power steering leaks
- Part number: 1630
Last update on 2025-04-15 / Affiliate links / Images from Amazon Product Advertising API
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