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How do you go about changing brake pads on a 1999 Toyota Camry?

Replacing brake pads on a 1999 Toyota Camry is a moderately challenging DIY job. If you're not comfortable working on cars, it's best to take it to a professional. Improperly installed brakes are dangerous.

This is a general guide; always consult your vehicle's repair manual for specifics and torque specifications. The steps might vary slightly depending on the specific trim level of your Camry.

Tools You'll Need:

* Jack and jack stands (Safety First! Never work under a car supported only by a jack.)

* Lug wrench

* Wheel chocks

* Socket wrench with appropriate sockets (likely 12mm, 14mm, and possibly others)

* Wrench for caliper bracket bolts (size will vary)

* C-clamp or brake caliper compression tool

* Brake cleaner

* Penetrating lubricant (like PB Blaster)

* New brake pads (ensure you get the correct ones for your vehicle)

* Gloves

* Safety glasses

Procedure:

1. Safety First: Park on a level surface, engage the parking brake, and use wheel chocks on the wheels opposite the one you're working on.

2. Loosen Lug Nuts: Use the lug wrench to loosen the lug nuts on the wheel you'll be working on. Don't remove them completely yet.

3. Raise and Secure the Vehicle: Carefully jack up the vehicle and securely place it on jack stands. Make sure the jack stands are on solid ground.

4. Remove the Wheel: Remove the lug nuts completely and take off the wheel.

5. Expose the Caliper: You'll now see the brake caliper assembly.

6. Compress the Caliper Piston: This is crucial. Use a C-clamp or caliper compression tool to slowly compress the brake caliper piston. This creates space for the new, thicker brake pads. Be careful not to damage the piston or boot.

7. Remove the Caliper Bolts: Locate the bolts holding the caliper to the caliper bracket. These are usually on the back of the caliper. Spray them with penetrating lubricant if needed and carefully remove them.

8. Remove the Caliper: Carefully lift the caliper off the rotor. You may need to gently maneuver it around the brake lines. Try to support the caliper with something to prevent it from hanging by the brake lines.

9. Remove the Old Brake Pads: The old brake pads should now be visible. They usually just slide out.

10. Clean the Caliper and Bracket: Use brake cleaner to thoroughly clean the caliper bracket, caliper piston, and the rotor surface. Make sure there's no brake dust or debris.

11. Install the New Brake Pads: Insert the new brake pads into the caliper bracket. Ensure they slide in smoothly.

12. Reinstall the Caliper: Carefully put the caliper back onto the rotor and reinstall the caliper bolts, tightening them to the manufacturer's specified torque.

13. Reinstall the Wheel: Put the wheel back on and tighten the lug nuts.

14. Lower the Vehicle: Carefully lower the vehicle using the jack.

15. Tighten Lug Nuts: Fully tighten the lug nuts using the lug wrench.

16. Repeat for Other Wheel: Repeat steps 2-15 for the other wheel on the same axle. Brake pads should be replaced in pairs on the same axle.

17. Pump the Brakes: Before driving, pump the brake pedal several times to ensure the brakes engage properly. Test the brakes gently in a safe, open area before driving normally.

Important Considerations:

* Rotor Inspection: Inspect your rotors for wear. If they are excessively worn or scored, they need to be resurfaced or replaced.

* Brake Fluid: If you're doing a more extensive brake job (e.g., replacing rotors or calipers), you may need to bleed the brake lines. This requires special tools and knowledge.

* Torque Specifications: Always refer to your vehicle's repair manual for the correct torque specifications for the lug nuts and caliper bolts. Over-tightening can damage components.

* Brake Pad Wear Sensors: Your Camry likely has brake pad wear sensors. If your old pads had them, install the new sensors in the new pads.

This is a simplified guide. Improperly performed brake work is extremely dangerous. If you're unsure about any step, consult a professional mechanic. Your safety is paramount.