AA Ignition 513121AA

AA Ignition Front Wheel Bearing Hub Assembly User Manual

Model: 513121AA

1. Product Overview

The AA Ignition Front Wheel Bearing Hub Assembly is a critical component designed to ensure the smooth and efficient rotation of your vehicle's wheels. This assembly includes an integrated ABS speed sensor cable, vital for your vehicle's anti-lock braking system and traction control. It is engineered as a direct replacement part, aiming to restore original equipment performance and fit.

Figure 1: Two AA Ignition Front Wheel Bearing Hub Assemblies, ready for installation.

2. Key Features

Integrated ABS Speed Sensor Cable: Crucial for proper ABS and traction control system function.
Smooth Wheel Rotation: Designed to allow wheels and tires to rotate smoothly without friction.
Direct Replacement: Engineered to fit, look, and function like the factory wheel hub bearing.
Durable Construction: Features improved wheel hub bearing seals for enhanced longevity.

Image highlighting key features of the wheel bearing assembly

Figure 2: Visual representation of the key features, including elimination of loose steering and smooth rotation.

3. Vehicle Compatibility

This Front Wheel Bearing Hub Assembly is compatible with a wide range of Chevrolet, Buick, Cadillac, Oldsmobile, Pontiac, and Saturn vehicles. Please verify your vehicle's 5 lug count before purchase.

Compatible Models and Years:

Buick: 1997-2005 Century, 2005-2009 LaCrosse, 2000-2005 LeSabre, 2006-2009 Lucerne, 1997-2005 Park Avenue, 1997-2004 Regal, 2002-2006 Rendezvous (FRONT/REAR), 1997-1999 Riviera, 2005 Terraza
Cadillac: 1997-2005 DeVille, 2006-2009 DTS, 1997-2002 Eldorado, 1997-2004 Seville
Chevrolet: 2000-2009 Impala, 2000-2007 Monte Carlo, 2005 Uplander (FRONT/REAR), 1997-2005 Venture (FRONT/REAR)
Oldsmobile: 1997-2003 Aurora, 1998-2002 Intrigue, 1997-2004 Silhouette (FRONT/REAR)
Pontiac: 2001-2005 Aztek (Rear), 2000-2005 Bonneville, 1997-2008 Grand Prix, 2000-2005 Montana (FRONT/REAR), 1997-1998 Trans Sport
Saturn: 2005 Relay (FRONT/REAR)

Diagram listing compatible vehicle models and years

Figure 3: Comprehensive list of compatible vehicle makes, models, and years.

4. Replaces OEM Part Numbers

This AA Ignition Front Wheel Bearing Hub Assembly is designed to replace the following OEM part numbers:

88964168
7470017
12413035
12429205
89047802
12429204
12413093
88955477
513121
951-016
10305030
12429203
FW293
951-061
10434253
89047684

Image listing various OEM part numbers that this product replaces

Figure 4: List of common OEM part numbers replaced by this assembly.

5. Safety Information

Always prioritize safety when working on your vehicle. Improper installation or handling of automotive components can lead to serious injury or damage. If you are unsure about any step, consult a qualified mechanic.

Wear appropriate personal protective equipment (PPE), including safety glasses and gloves.
Ensure the vehicle is securely supported on jack stands before beginning any work.
Disconnect the battery's negative terminal before working on electrical components.
Follow all vehicle manufacturer's service manual procedures for torque specifications and component removal/installation.
Keep children and pets away from the work area.

6. Package Contents

Your package should contain the following items:

2 x Front Wheel Bearing Hub Assemblies with pre-installed ABS Speed Sensor Cables

Two wheel bearing hub assemblies in packaging

Figure 5: The complete set of two front wheel bearing hub assemblies as received.

7. Installation Guide

While this wheel hub bearing assembly is designed for straightforward installation, professional installation is recommended for optimal results and safety. No special tools are typically required beyond standard automotive repair tools.

General Installation Notes:

Prepare the vehicle by lifting and securing it on jack stands. Remove the wheel and brake caliper assembly.
Disconnect the ABS speed sensor cable from the vehicle's harness.
Remove the old wheel hub bearing assembly by unbolting it from the steering knuckle.
Clean the mounting surface thoroughly to ensure proper seating of the new assembly.
Install the new AA Ignition wheel hub bearing assembly, ensuring the ABS speed sensor cable is routed correctly and securely connected.
Torque all bolts to the vehicle manufacturer's specifications.
Reinstall the brake caliper assembly and wheel.
Test drive the vehicle to confirm proper function and check for any ABS warning lights.

Diagram showing components of the wheel hub bearing assembly including ABS harness and mounting points

Figure 6: Exploded view highlighting key components like factory mounting points, OEM sized studs, and the new ABS harness.

Mechanic working on a car's wheel assembly

Figure 7: A mechanic performing maintenance, emphasizing the importance of proper installation for longevity.

8. Operation

Once installed, the wheel bearing hub assembly allows the wheel to rotate freely and smoothly around the axle. The integrated ABS speed sensor continuously monitors wheel speed, sending data to the vehicle's ABS control module. This data is crucial for the proper functioning of the anti-lock braking system, traction control, and stability control systems, preventing wheel lock-up during braking and maintaining vehicle stability.

Close-up of the ABS speed sensor cable and connector

Figure 8: Detail of the ABS speed sensor cable, an integral part of the wheel bearing assembly.

9. Maintenance

Wheel bearing assemblies are generally sealed units and do not require routine lubrication. However, periodic inspection is recommended as part of your vehicle's regular maintenance schedule. Check for any signs of wear, damage, or excessive play in the wheel bearing. Ensure the ABS sensor cable is free from damage and securely connected.

If any issues are detected, prompt replacement is advised to prevent further damage to other vehicle components and to maintain safe driving conditions.

10. Troubleshooting

Common symptoms of a failing wheel bearing include:

Symptom	Potential Cause / Action
Loud noises from the wheel area (humming, grinding, roaring)	Indicates internal bearing wear. Requires inspection and likely replacement.
Loose steering or unwanted movement	Excessive play in the bearing. Immediate inspection and replacement recommended.
Vibration felt through the steering wheel or floorboard	Bearing failure or uneven tire wear caused by a failing bearing.
Uneven tire wear	Can be a symptom of a worn wheel bearing affecting wheel alignment.
ABS warning light illuminated on dashboard	Could indicate an issue with the integrated ABS speed sensor or its cable. Check connections and sensor integrity.

If you experience any of these symptoms, it is crucial to have your vehicle inspected by a qualified technician promptly.

11. Specifications

Attribute	Detail
Brand	AA Ignition
Model Number	513121AA
Bearing Number	513121
Bearing Type	Ball Bearing
Material	Acrylonitrile Butadiene Styrene (ABS)
Item Weight	8.42 Kilograms (18.52 pounds)
Package Dimensions	14.84 x 8.39 x 7.95 inches
Compatible Lubricant	Grease (pre-lubricated, generally sealed)

12. Warranty and Support

This AA Ignition wheel hub bearing assembly comes complete with a Lifetime Warranty. This warranty covers defects in material and workmanship under normal use and service.

If the part ever fails, simply contact AA Ignition for a replacement. Please retain your proof of purchase for warranty claims.

For further assistance or technical support, please visit the official AA Ignition store or contact their customer service department. Contact details are typically available on the product packaging or the brand's official website.

You can visit the AA Ignition Store at: AA Ignition Store on Amazon

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