how to change brakes on a nissan altima

3 min read 24-01-2025

Changing your Nissan Altima's brakes might seem daunting, but with the right tools and a methodical approach, it's a manageable DIY project. This guide provides a step-by-step process, ensuring you replace your brakes safely and effectively. Remember, safety is paramount – if you're unsure about any step, consult a professional mechanic.

Tools You'll Need:

Before you begin, gather these essential tools:

Jack and Jack Stands: Absolutely crucial for safety. Never work under a car supported only by a jack.
Lug Wrench: To remove the wheels.
Wheel Chocks: To prevent the car from rolling.
Socket Wrench Set: With metric sockets (sizes will vary depending on your Altima's year).
Brake Caliper Wrench: For compressing the caliper piston.
C-Clamp or Caliper Compression Tool: Helpful for retracting the caliper piston.
Pliers: For removing cotter pins and brake clips.
Wrench: For brake line bleeding (optional, but recommended).
New Brake Pads: Ensure they are the correct size and type for your Altima's year and model.
New Brake Rotors (if needed): Inspect your rotors for wear; they may need replacement.
Penetrating Oil (PB Blaster or similar): To loosen any rusted or stuck bolts.
Gloves: To protect your hands.
Safety Glasses: To protect your eyes.
Shop Rags or Paper Towels: For cleaning.

Step-by-Step Guide to Replacing Nissan Altima Brakes:

1. Preparation is Key:

Park on a level surface: Engage the parking brake firmly.
Use wheel chocks: Place chocks behind the rear wheels for added safety.
Locate your owner's manual: Consult it for specific torque specifications for your Altima model.

2. Lifting the Vehicle:

Position the jack: Place the jack securely under the vehicle's designated jack point (consult your owner's manual).
Raise the vehicle: Carefully lift the vehicle until the tire is off the ground.
Secure with jack stands: Place jack stands under the vehicle's frame near the tire you're working on. Lower the vehicle onto the jack stands. Never work under a car supported only by a jack.

3. Removing the Wheel:

Loosen the lug nuts: Use the lug wrench to slightly loosen the lug nuts before fully lifting the car.
Remove the wheel: Once the car is lifted and secured, remove the lug nuts and take off the wheel.

4. Removing the Brake Caliper:

Locate the caliper bolts: These are typically on the back of the caliper.
Apply penetrating oil (if needed): If the bolts are stubborn, apply penetrating oil and let it sit for a few minutes.
Remove the bolts: Carefully remove the caliper bolts using the appropriate socket wrench.
Support the caliper: Use a bungee cord or wire to hang the caliper from the suspension, preventing it from dangling and stressing the brake line.

5. Removing the Brake Pads:

Remove the brake pads: The pads usually slide out from the caliper. You may need to use pliers to remove any retaining clips.

6. Inspecting and Replacing Brake Rotors (If Necessary):

Inspect the rotors: Check for scoring, grooves, or excessive wear. If damaged, replace them.
Remove the rotors (if replacing): Use appropriate tools to remove the rotors. This may involve removing additional bolts.

7. Installing New Brake Pads and Rotors (If Replaced):

Install new brake pads: Slide the new brake pads into the caliper.
Install new rotors (if replaced): Mount the new rotors onto the wheel studs. Make sure they are correctly aligned.

8. Reinstalling the Caliper:

Compress the caliper piston: Use the C-clamp or caliper compression tool to push the piston back into the caliper. This creates space for the new, thicker brake pads. It's important to compress the piston slowly and evenly to avoid damage.
Reinstall the caliper: Carefully mount the caliper back onto the caliper bracket, ensuring it's correctly aligned. Secure it with the bolts.

9. Reinstalling the Wheel:

Install the wheel: Put the wheel back on, ensuring it's properly seated.
Tighten the lug nuts: Tighten the lug nuts in a star pattern to evenly distribute pressure.

10. Lowering the Vehicle:

Lower the vehicle: Carefully lower the vehicle using the jack, keeping the jack stands in place until the vehicle is fully on the ground.
Tighten the lug nuts: Finish tightening the lug nuts using the lug wrench.

11. Bleeding the Brakes (Optional but Recommended):

Bleeding the brakes helps remove air bubbles from the brake lines, ensuring proper braking performance. Follow the instructions in your owner's manual or consult a professional for this step.

Important Considerations:

Always refer to your owner's manual: Specific procedures and torque specifications may vary depending on your Altima's year and model.
Safety first: Never work under a vehicle supported only by a jack. Use jack stands.
Proper tools are essential: Using the wrong tools can damage your brakes or injure you.
If you are unsure about any step, consult a professional mechanic.

By following these steps and taking necessary safety precautions, you can successfully change the brakes on your Nissan Altima. Remember, regular brake maintenance is crucial for your safety and the longevity of your vehicle.