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NHTSA ID Number: 10188201
Manufacturer Communication Number: 05-84-21
Summary
This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads.
NUMBER: 05-84-21
DATE: 02/26/21
| APPLICABILITY: | 2015-21MY Legacy and Outback 2019-21MY Forester 2015-20MY WRX  and WRX STI2019-20MY Ascent 2006-14MY Tribeca |
| SUBJECT: | Front Wheel Hub Assembly- Design Change |
INTRODUCTION:
This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads. Excessive shock loads can occur when hitting a significant imperfection in the road surface (e.g. large pothole or expansion joint). If the bearing surface is affected, a growling -type sound may become audible when the vehicle is in motion.
PRODUCTION CHANGE INFORMATION:
The new hub assemblies were incorporated into production starting with the table below:
PART INFORMATION:
| Description | Part Number | Application |
| HUB COMPLETEFRONT AXLE | 28373VC000 | SBR (Japan) Built Models |
| 28373AN00A | SIA (U.S.) Built Models |
REMINDER: Always order the most up-to-date replacement parts for the specific VIN being repaired.
SERVICE PROCEDURE / INFORMATION:
REMINDER: Customer satisfaction and retention starts with performing quality repairs.
The service procedures for front wheel hub / bearing assembly replacement remain unchanged. Always refer to the applicable Service Manual and review the full requirements of the repair being performed. The Service Manual procedures contain information critical to performing an effective repair the first time, every time. This includes but is not limited to important SAFETY precautions, proper inspection criteria, necessary special tools, required processes and related one-time-use parts needed for a complete and lasting repair.
39 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| SUBARU | ASCENT | 2019-2020 |
| SUBARU | FORESTER | 2019-2020 |
| SUBARU | LEGACY | 2015-2021 |
| SUBARU | OUTBACK | 2015-2021 |
| SUBARU | TRIBECA | 2006-2014 |
| SUBARU | WRX | 2015-2020 |
| SUBARU | WRX STI | 2015-2020 |
1 Associated Document
Manufacturer Communications
NUMBER: 05-84-21
DATE: 02/26/21
MC-10188201-0001.pdf 1001.219KB
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- Wheel Hub & Axle Removal Solution: This flange-type puller set includes a universal 3-3/4" to 4-1/2" hub puller, 4-1/2" to 5-1/2" axle puller, 5/8" x 18 threaded forcing bolt, fastening nut, and socket for efficient hub/axle removal
- Wide Compatibility: Front hub puller for most vehicles with independent front suspension, securely locking onto axle assemblies to remove stuck hubs. Rear axle puller handles larger diameters up to 5-1/2"
- Straightforward Operation: Combined tools apply uniform force to dislodge hubs/axles smoothly while preserving wheel bearings and surrounding components
- Durable Construction: Crafted from high-quality AISI 1045 medium carbon steel with heat-treated and corrosion-resistant finishes (blackened/chrome plated) for long-term reliability
- Versatile Threading: Forcing bolt compatible with other 5/8" x 18 adapters for multi-model automotive applications or engine-related tasks
- VERSATILE PULLER SET: The Orion Motor Tech 9-Way Slide Hammer Puller Set with 4 lb slide hammer is ideal for a variety of pulling applications, including flange-type rear axles, most front-wheel-drive hubs, pulling dents, and other press-fit parts (bearings, bushings, gears, pulleys, etc.).
- INTERNAL & EXTERNAL JAWS: Includes 2-jaw and 3-jaw pullers for internal and external work to provide a variety of combinations to pull bearing, gears, and seals. 2 and 3-way cross blocks and cone-type puller provide the perfect jaw configuration for most jobs.
- ULTIMATE DURABILITY: Built to last with rugged carbon steel alloy and chrome vanadium steel components, our tool kit can withstand accidental drops and years of heavy use without cracking or rusting.
- INSTRUCTIONS INCLUDED: To help novice DIYers get the job done right, we've included a detailed parts diagram and step-by-step instructions to simplify tough jobs like the piston wind-back process.
- 1-YEAR WARRANTY: In order to provide a worry-free shopping experience, we promise a 1-year warranty and 100% free exchange if the product is defective. Includes a protective carrying case to extend the life of your tools.
- PULL WHEEL HUBS & AXLES: This flange type axle puller tool set by Orion Motor Tech includes a universal 3-3/4" to 4-1/2" hub puller, 4-1/2" to 5-1/2" axle puller, 5/8 inch x 18 forcing bolt, fastening nut, and helpful socket to quickly and easily loosen and remove your wheel hubs
- UNIVERSAL COMPATIBILITY: The front hub puller, compatible with most vehicles with independent front wheel suspension, firmly locks onto your axle assembly, making removal of stuck front hubs a cinch
- QUICK & EASY OPERATION: These automotive tools work together to provide straight and even force so your hubs and axles pop out smoothly, leaving the wheel or axle bearing inside the joint and the rest of your vehicle untouched
- BUILT TO LAST: Made of premium AISI 1045 medium carbon steel, our wheel hub removal set provides strong and dependable service for the long haul; heat treated and blackened or chrome plated, each part offers superior durability and corrosion resistance for long-term use
- MULTI-FUNCTION: The threading of our forcing bolt works with other 5/8 inch x 18 adapters to deal with various car models or to handle other work around your engine
- 【Function】 This hub puller instantly and safely removes frozen hub assemblies without damaging the axles.
- 【EXACT FIT】 Compatible with most 5, 6 and 8 lug hub assemblies found on cars and trucks
- 【EASY TO USE】 Hub removal is simplified with the 2-5/8” center-to-center hole pattern of this wheel hub puller, making installation easy and speeding up the hub removal process
- 【Material】 The wheel hub removal tool is made of heat-treated alloy steel for high strength, corrosion and rust resistance, and durability.
- 【Installation】 Secure the drive plate to the hub using 2 washers and original lug nuts, Insert the threaded piece and force the screw against a solid surface to loosen the hub.
- Comprehensive Tool Set: This wheel hub remover kit by Orion Motor Tech includes a remover plate, forcing screw, screw assembly, and two washers, making hub removal faster and safer
- Damage-Free Hub Removal: Our 40100 hub removal tool kit safely pulls even the toughest wheel hubs without damaging your axle—perfect for cars and trucks with 5, 6, or 8 lug hubs
- Engineered for Strength: Crafted from AISI 1045 and 40Cr steel with a corrosion-resistant finish, this wheel hub removal kit is built to last. The heat-treated forcing screw and screw assembly deliver extra strength and durability for tough jobs
- Hassle-Free Use: Our user-friendly hub removal tool kit includes clear instructions, ensuring an easy setup. Simply secure the remover plate, position the screw assembly, and tighten the forcing screw to quickly release the hub
- Compact & Portable: The custom blow-molded case keeps all components safe, secure, and neatly arranged. Its compact design makes it easy to carry, so you can take your wheel hub removal tool set wherever the job goes
- 【Application】Fits on most 5, 6 and 8 lug hub assemblies found on cars and trucks.
- 【Quick and Convenient】Saving time to remove frozen hub components safely without damaging other suspension components.
- 【Superior Material】This hub remover tool is made from solid and high-strength material, ensuring its solidness and sturdiness for long-lasting use.
- 【Easy to Use】 Insert the hardened threaded forcing screw to push against a solid surface, loosening the hub assembly until it can be completely removed.
- 【After-sale Service】If you have any questions, please feel free to contact us，We offer timely customer support to all buyers.
- Comprehensive Tool Set: This wheel hub remover tool kit by Orion Motor Tech includes a remover plate, forcing screw, screw assembly, and two washers, ensuring faster and safer hub removal
- Damage-Free Hub Removal: Our 40100 hub removal tool kit allows you to remove even the most stubborn wheel hubs quickly without damaging the axle, ideal for your cars and trucks with 5, 6, or 8 lug hubs
- Heavy-Duty Build: This wheel hub removal kit is made of AISI 1045 and 40Cr steel with a corrosion-resistant black oxide finish. The forcing screw and screw assembly are heat treated for even greater strength and endurance
- Effortless Operation: Our intuitive hub removal tool kit comes with clear instructions, making it easy to secure the remover plate, position the screw assembly, and tighten the forcing screw to quickly release the hub
- Compact & Portable: The custom blow-molded case keeps each piece well organized, stored, and protected. Its compact design enhances portability, allowing you to carry this wheel hub removal tool set between jobs
- What You Get: Socpuro flanged hub axle puller kit includes universal 3-3/4" to 4-1/2" hub puller, 4-1/2" to 5-1/2" axle puller, 5/8" x18 forced bolt and 19 mm sockets, fastening nut. Practical tools for quick and easy loosening and removal of hubs, axles, etc (NOTE: Please check size compatibility before purchasing)
- Universal Compatibility: The front hub puller (3-3/4" to 4-1/2") is compatible with most vehicles with independent front wheel suspension. The rear axle puller (4-1/2" to 5-1/2" ) is designed to pull out the rear flange type axle. Hub & axle grapplers fit 4, 5 or 6 bolt stud designs and all non-C lock GM axles
- Simple to Operate: Simply use the existing lug nuts to fix to the wheel studs and tighten the forcing bolts. The threads of our 5 lb forced bolts can be used with other 5/8" x18 bolt or slide hammer to handle a variety of vehicle models or other work around the engine
- Pull-through: The puller fits snugly into the hub of the tapered axle and works in conjunction with the tapered forcing bolt to provide a straight and even pull, allowing your front hub to pop cleanly out, keeping the wheel bearing in the joint and the rest of the vehicle intact
- Sturdy Quality: Socpuro wheel hub axle pullers are made from high quality alloy steel, heat treated and blackened or chrome plated, offering excellent durability and corrosion resistance for long term durability
- Universal Compatibility: Designed to remove all axle bolt hubs, perfectly suited for Tool replacement and compatible with both cars and trucks.
- Versatile Bolt Sizes: Accommodates various bolt sizes including 1/2-20, 5/8-18, 7/16-20, 9/16-18, M12*1.25, M12*1.5, M14*1.5, and M14*1.5 flange, ensuring a wide range of applications.
- Sturdy Construction: Crafted from heavy-duty steel for maximum durability and longevity, ensuring reliable performance every time.
- Enhanced Stability: Comes with 3 reinforcement plates, offering added strength and stability during hub removal tasks.
- Comprehensive Kit for All Hubs: Effectively removes 5, 6, and 8 lug hubs with ease, making it a must-have for every garage and auto workshop.
- UNIVERSAL REMOVAL TOOLS: This 3 jaw puller set by Orion Motor Tech fits your wrench or ratchet to work as a gear puller, bearing puller, crank pulley puller, flywheel puller and more, letting you easily handle worn or broken parts
- BETTER TOGETHER: Our bearing puller set includes four puller sizes, offering maximum spreads of 3", 4", 6", and 8" and reaches of 4.3", 5", 7.3", and 9.2" to cover most applications
- 3 JAW DESIGN: These power steering pulley pullers bite tightly onto your components with their reinforced jaws and distribute even pulling force to remove parts without causing damage
- REVERSIBLE JAWS: Each pulley removal tool can be reversed to pull parts from either the inside or outside, with the 6" and 8" gear puller provide 4 configurations for a sure grip thanks to their dual fixing holes
- TOOLS FOR MECHANICS: Drop-forged and heat-treated carbon steel builds with corrosion proof coatings ensure these pullers last for resilient service with unrivaled strength and durability
Last update on 2025-05-08 / Affiliate links / Images from Amazon Product Advertising API
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Bulletin Number: 05-84-21; Date: 02/26/21 Page 1 of 2 SERVICE BULLETIN Continued… CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS. Subaru Service Bulletins are intended for use by professional technicians ONLY. They are written to inform those technicians of conditions that may occur in some vehicles, or to provide information that could assist in the proper servicing of the vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do the job correctly and safely. If a condition is described, DO NOT assume that this Service Bulletin applies to your vehicle, or that your vehicle will have that condition. Subaru of America, Inc. is ISO 14001 Compliant ISO 14001 is the international standard for excellence in Environmental Management Systems. Please recycle or dispose of automotive products in a manner that is friendly to our environment and in accordance with all local, state and federal laws and regulations. NUMBER: 05-84-21 DATE: 02/26/21 APPLICABILITY: 2015-21MY Legacy and Outback 2019-21MY Forester 2015-20MY WRX and WRX STI 2019-20MY Ascent 2006-14MY Tribeca SUBJECT: Front Wheel Hub Assembly- Design Change INTRODUCTION: This bulletin announces availability of new front wheel hub assemblies incorporating bearing surfaces having increased resistance to imperfections resulting from shock loads. Excessive shock loads can occur when hitting a significant imperfection in the road surface (e.g. large pothole or expansion joint). If the bearing surface is affected, a growling -type sound may become audible when the vehicle is in motion. PRODUCTION CHANGE INFORMATION: The new hub assemblies were incorporated into production starting with the table below: Model Starting VIN Legacy M3004225 Outback M3117145 Forester MH425487 WRX / STI L9827031 Ascent M3415184 PART INFORMATION: Description Part Number Application HUB COMPLETEFRONT AXLE 28373VC000 SBR (Japan) Built Models 28373AN00A SIA (U.S.) Built Models REMINDER: Always order the most up-to-date replacement parts for the specific VIN being repaired. ATTENTION: GENERAL MANAGER q PARTS MANAGER q CLAIMS PERSONNEL q SERVICE MANAGER q IMPORTANT – All Service Personnel Should Read and Initial in the boxes provided, right. © 2021 Subaru of America, Inc. All rights reserved. Bulletin Number: 05-84-21; Date: 02/26/21 Page 2 of 2 SERVICE PROCEDURE / INFORMATION: REMINDER: Customer satisfaction and retention starts with performing quality repairs. The service procedures for front wheel hub / bearing assembly replacement remain unchanged. Always refer to the applicable Service Manual and review the full requirements of the repair being performed. The Service Manual procedures contain information critical to performing an effective repair the first time, every time. This includes but is not limited to important SAFETY precautions, proper inspection criteria, necessary special tools, required processes and related one-time-use parts needed for a complete and lasting repair. WARRANTY / CLAIM INFORMATION: For vehicles within the Basic New Car Limited or Powertrain Limited Warranty period or covered by an active Subaru Added Security Powertrain, Classic or Gold plan, this repair may be submitted using the following claim information: Labor Description Labor Operation # Labor Time Fail Code LH FRONT HUB / BEARING UNIT R&R** A611-187 0.8 NCB-25 RH FRONT HUB / BEARING UNIT R&R** A611-188 0.8 NCA-25 BOTH FRONT HUB / BEARING UNITS R&R** A611-189 1.2 NAW-25 **INCLUDES noise testing IMPORTANT REMINDERS: • SOA strongly discourages the printing and/or local storage of service information as previously released information and electronic publications may be updated at any time. • Always check for any open recalls or campaigns anytime a vehicle is in for servicing. • Always refer to STIS for the latest service information before performing any repairs.
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