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NHTSA ID Number: 10126391
Manufacturer Communication Number: PI0620A
Summary
This preliminary informational bulletin provides technicians diagnostic and repair information for GM recommending that the fluid be changed to DEXRON®-VI automatic transmission fluid when a steering gear assembly is replaced for any reason.
Parts
| DEXRON-VI Automatic Transmission Fluid – US | 5 | 88861003 |
| DEXRON-VI Automatic Transmission Fluid – CA | 5 | 19264717 |
Vehicles
SEOCONTENT-START
| Subject: | Change Power Steering Fluid to DEXRON-VI When Replacing Steering Gear Assembly |
| Models: | 2008-2012 Buick Enclave |
| 2009-2012 Chevrolet Traverse | |
| 2007-2012 GMC Acadia | |
| 2007-2010 Saturn OUTLOOK |
|
| Built Prior to July 01, 2011 |
To prevent future repairs for a steering gear squeak noise (as outlined in “Squeak or Rub Type Noise when Turning Steering Wheel at Slow Speeds“), GM is recommending that the fluid be changed to DEXRON-VI automatic transmission fluid when a steering gear assembly is replaced for any reason.
Make every attempt to confirm whether the power steering system has already been converted to DEXRON-VI.
If the power steering system has original fluid, the system should be flushed and refilled with DEXRON-VI using the procedure listed below.
The recommendation to convert power steering fluid to DEXRON-VI automatic transmission fluid is for gear replacements only and not for repairs to other system components, such as pump, cooler or hoses.
The service gear shipping box will contain a tag that will identify the vehicle has been converted to DEXRON-VI. The tag should be installed on the power steering reservoir filler neck and secured with the cap.
Power Steering System Flush Procedure
Important: Due to the interface between the pinion shaft seal and the fluid, it is critical to ensure that no old fluid comes in contact with the new seal. Be sure to thoroughly flush all old fluid from the system prior to installing the new steering gear assembly.
- Raise and support the vehicle until the wheels are approximately 61 cm (24 in) off the ground.
- Place a large container under the vehicle in order to collect the draining fluid.
- Loosen the hose clamp (1) and disconnect the power steering fluid reservoir inlet hose from the power steering fluid reservoir.
- Plug the power steering fluid reservoir inlet port.
Note: This step may require 3 L (3 qt) of DEXRON-VI fluid until the draining fluid appears red.
- With the key ON and the engine OFF, turn the steering wheel fully to the left and to the right while an assistant maintains the minimum fluid level in the reservoir using DEXRON-VI Automatic Transmission Fluid. Continue until the fluid from the power steering fluid reservoir inlet hose runs red.
- Remove the plug from the power steering fluid reservoir inlet port.
- Connect the power steering fluid reservoir inlet hose to the reservoir and secure the hose with the clamp.
Parts Information
| Part Number | Description | Qty |
| 88861003 | DEXRON-VI Automatic Transmission Fluid – US | 5 |
| 19264717 | DEXRON-VI Automatic Transmission Fluid – CA | 5 |
SEOCONTENT-END
Bulletin No.: PI0620A
Date: Oct-2015
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- Backward compatible with previous Dexron automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous Dexron fluids
- Improved performance over previous Dexron fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance
- Potential to enable improved fuel economy and longer transmission life
- Provides for extended drain intervals. Provides consistent shift performance, even in extreme conditions.
- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
- For use in 95% of vehicles including most CVTs in operation with US registered light duty applications
- High performance conditioning agents prolong seal elasticity to prevent leaks
- Improved durability & transmission life with anti-wear technology to avoid costly repairs
- Enhanced high & low temp performance supports transmission fluid in all weather situations
- Full synthetic formula with advanced additives protects against transmission breakdown better than conventional fluids
- Backward compatible with previous DEXRON automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous DEXRON fluids
- Improved performance over previous DEXRON fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance.
- Designed for anti-wear protection and shear stability
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- Backward compatible with previous DEXRON automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous DEXRON fluids
- Improved performance over previous DEXRON fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance
- Potential to enable improved fuel economy and longer transmission life
- Provides for extended drain intervals
- Backward compatible with previous Dexron automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous Dexron fluids
- Improved performance over previous Dexron fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance
- Potential to enable improved fuel economy and longer transmission life
- Provides for extended drain intervals
- Enhanced friction durability for smooth transmission performance
- Superior high temperature protection to effectively resist oxidation
- Unsurpassed protection against copper corrosion
- Broad scope of vehicle applications improves workshop efficiency and inventory management
- Premium synthetic blend formula exceeds DEXRON-III H requirements
- Outstanding sludge resistance provides superior transmission life
- Enhanced friction durability improves shifting performance
- Certified and approved by General Motors for all cars and trucks that require DEXRON -VI
- Also satisfied requirements of DEXRON, DEXRON-III H, III, IIE and II
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