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
- 50,000 mile fluid life
- Includes Stop Leak additives to prevent and stop power steering system leaks
- Anti-wear protection increases system life; protects against pump failure, squeals and clogs; corrosion protection for metals, rubber & gasket components
- Conventional formula; for use in all manufacturers
- Size: 12 oz.
- High quality power steering fluid and conditioner
- Stops Noise
- Stops slipping
- Helps prevent unusual wear
- Protects seals
- 50,000 mile fluid life
- Anti-wear protection increases system life; protects against pump failure, squeals and clogs; corrosion protection for metals, rubber & gasket components
- For use in all manufacturers
- Conventional formula; for use in all manufacturers
- Size: 12 oz.
- 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
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