🔧 Engine Air Filter - Replacement

The engine air filter on your Sentra is easy to service. You’ll open the air cleaner box, remove the old filter, and install a new one so the engine can breathe clean air again.

Difficulty Level: Beginner | Estimated Time: 0.2-0.5 hours

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⚠️ Safety & Precautions

• Make sure the engine is off and cool before starting.
• Keep dirt, leaves, and loose hardware out of the air box.
• Do not drive with the air box left open.
• No battery disconnect is required for this repair.

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🔧 Required Tools

You'll need the following tools for this repair:

• Flat-blade screwdriver
• Trim clip tool
• Clean shop towel
• Safety glasses
• Mechanic gloves

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Engine air filter - Qty: 1

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Turn the engine off and remove the key or fob from the vehicle.
• Open the hood and secure it fully.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Open the air cleaner housing

• Locate the black plastic air box in the engine bay.
• Use a flat-blade screwdriver or trim clip tool to release the air box clips.
• If your air box has any screws, remove them with the correct screwdriver.
• Keep the lid level as you open it.

Step 2: Remove the old filter

• Lift the air box lid carefully and remove the old engine air filter by hand.
• Watch for dirt or leaves that may fall out of the housing.
• Use a clean shop towel to wipe out the inside of the air box if needed.

Step 3: Install the new filter

• Place the new engine air filter into the air box in the same direction as the old one.
• Make sure the filter sits flat all the way around.
• A crooked filter can let dirt in.

Step 4: Close the housing

• Lower the air box lid back into place.
• Use your flat-blade screwdriver or trim clip tool to resecure all clips or screws.
• Make sure the housing is fully sealed all the way around.

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✅ After Repair

• Start the engine and listen for any air leaks or unusual whistling.
• Check that the air box is fully closed and latched.
• Dispose of the old filter properly.

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💰 DIY vs Shop Cost

Shop Cost: $50-$120 (parts + labor)

DIY Cost: $15-$35 (parts only)

You Save: $35-$85 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.2-0.5 hours.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.