Here's a general outline of the process. This is NOT a complete, step-by-step guide, and specific procedures may vary slightly depending on your vehicle's exact configuration. Always consult a repair manual specific to your 2005 Chrysler Pacifica for detailed instructions and torque specifications.
Tools You'll Likely Need:
* Wheel Chocks: Essential for safety.
* Jack and Jack Stands: Properly secure the vehicle.
* Lug Wrench: To remove the wheel.
* Wheel Hub Socket/Removal Tool: Often a special tool is needed to remove the hub nut. It's very tight.
* Ball Joint Separator: To separate the ball joint from the control arm.
* Tie Rod Separator/Puller: To separate the tie rod from the steering knuckle.
* Brake Caliper Compression Tool: To compress the brake caliper piston.
* Hammer and Punch: May be needed to help loosen stubborn parts.
* Torque Wrench: Crucial for proper tightening of bolts and nuts.
* Press or Bearing Separator: To press the old bearing out and the new one in. This is usually the most difficult part of the job. A shop press is ideal.
* Penetrating Oil (PB Blaster, etc.): Helps loosen rusted or seized components.
* New Wheel Bearing: Make absolutely certain you get the correct bearing for your vehicle.
* Repair Manual: Absolutely essential for detailed instructions and torque specifications.
General Steps (Consult your repair manual for precise details):
1. Safety First: Park on a level surface, engage the parking brake, and use wheel chocks.
2. Raise and Support: Safely lift the vehicle using a jack and secure it with jack stands.
3. Remove Wheel: Remove the lug nuts and wheel.
4. Remove Brake Caliper: Remove the caliper and secure it out of the way using a wire or bungee cord to avoid damaging the brake line. You may need to compress the brake caliper piston.
5. Disconnect Tie Rod and Ball Joint: Carefully separate the tie rod end from the steering knuckle and the ball joint from the control arm using the appropriate tools. This requires some force and may require penetrating oil.
6. Remove the Hub/Knuckle Assembly: This step varies depending on the specific vehicle. You may need to remove some other components before you can remove the hub assembly. Pay close attention to your repair manual.
7. Press Out Old Bearing and Press In New Bearing: This is where you'll need a press or bearing separator. It's critical to press the new bearing in evenly and straight to avoid damage.
8. Reassembly: Carefully reverse the disassembly steps, ensuring everything is properly aligned and torqued to the correct specifications.
9. Bleed Brakes (If Necessary): If you've separated the brake lines, bleeding the brakes is necessary to remove any air that may have entered the system.
10. Lower Vehicle: Carefully lower the vehicle from the jack stands.
11. Test Drive: Test drive the vehicle to ensure everything is working correctly.
Again, this is a highly simplified overview. A complete repair manual specific to your 2005 Chrysler Pacifica is absolutely essential. Failure to follow proper procedures can lead to serious damage to your vehicle and potential injury. Consider seeking professional help if you are not comfortable with this level of automotive repair.