MacBook Pro 15″ A1398 Trackpad Replacement Guide (2015 Model)

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OVERVIEW:

In this guide, we’ll walk you through the process of replacing the trackpad on a MacBook Pro model A1398. This repair isn’t very common but can be completed with care and the right tools. We’ll show you step-by-step how to safely remove the bottom case, disconnect and remove the battery, take out the old trackpad, and install a new one. By following this detailed tutorial, you’ll restore full trackpad functionality. Let’s get started with this repair.

See official Apple Specs for this model.

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REPAIR TIME & SKILL LEVEL:

This repair is estimated to take about 1 to 1.5 HOURS to complete and is of INTERMEDIATE difficulty, requiring careful handling of delicate components and comfort using precision tools.

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STEPS:

Tools You Need

For this repair, you will need a pentalobe screwdriver for opening the bottom case, a T5 and T3 Torx screwdriver for internal screws, isopropyl alcohol to loosen adhesive, a flat plastic pry tool to safely lift the battery, and fresh adhesive strips to secure the battery.

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Remove the Bottom Case

• Use a pentalobe screwdriver to remove all screws from the MacBook’s bottom panel.
• Carefully lift and remove the bottom case to access internal components.
• Set the screws aside safely for reassembly.

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Disconnect the Battery

• Locate the battery connector on the logic board.
• Gently disconnect the battery to prevent power from flowing during the repair.
• This step is essential to ensure a safe working environment.

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Remove the Trackpad Flex Cable

• Use a T5 screwdriver to remove the two screws securing the trackpad flex cable.
• Disconnect the cable from both the logic board and the daughterboard.
• Set the flex cable aside safely.

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Remove the Battery

• Apply isopropyl alcohol around the battery cells to weaken the adhesive.
• Use a flat pry tool (not curved or sharp) to gently lift the battery from the case.
• Once fully detached, set the battery aside for later reinstallation.

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Remove the Trackpad Screws

• Use a T5 screwdriver to remove all screws along the outer edge of the trackpad.
• Gently lift the glued-down daughterboard starting from the center to reveal additional screws.
• Remove the two T3 screws underneath to fully detach the trackpad assembly.

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Remove the Old Trackpad

• Carefully pull out the old trackpad and attached daughterboard.
• Set the removed trackpad aside and prepare for installation of the new one.

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Clean the Trackpad Area

• Use a soft cloth or tool to clean the area where the new trackpad will be installed.
• Ensure there is no debris or leftover adhesive to ensure a flat and secure fit.

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Install the New Trackpad

• Place the new trackpad into position.
• Begin by installing the two larger T3 screws in the center area to secure it.
• Then install the smaller T3 screws followed by the T5 screws along the perimeter.

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Add the Protective Cover

• If available, place the protective cover over the trackpad area.
• Remove any taped-on covers and press the protector into place for added durability.

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Remove Old Battery Adhesive

• Carefully peel off all leftover adhesive strips from the battery area.
• Ensure the surface is clean for the new adhesive to stick properly.

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Lay New Adhesive Strips

• Apply fresh adhesive strips where the battery will be seated.
• Press each strip down firmly to make sure it adheres well.
• Remove the protective layers from the adhesive.

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Reinstall the Battery

• Plug the battery connector into the logic board before seating it.
• Gently place the battery onto the adhesive and press down evenly.
• Secure the battery using the two T5 screws that were previously removed.

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Reconnect Trackpad Flex Cable

• Reinsert the trackpad flex cable into its connector and close the retention bar.
• Secure the cable with two T5 screws.
• Reinstall any covers that go over the trackpad assembly.

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Reattach the Bottom Case

• Align and place the bottom case back onto the MacBook.
• Use the pentalobe screwdriver to reinstall all screws removed at the beginning.
• Ensure everything is flush and properly sealed.

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Test the Trackpad

• Open the MacBook and power it on.
• Confirm that the trackpad is fully functional and responsive.
• If everything is working properly, the repair is complete!

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CONCLUSION:

Replacing the trackpad on a MacBook Pro A1398 may not be common, but with the right tools and instructions, it can be done efficiently. This guide walked you through each step in detail, from battery disconnection to trackpad testing. Always handle internal components with care and take your time. Proper installation ensures longevity and functionality of your replacement part. Thanks for following along!

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VIDEO TUTORIAL:

Looking for a more in-depth tutorial? Check out our complete teardown video for a detailed step-by-step walkthrough.

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MAIL-IN REPAIR SERVICE:

We offer professional trackpad replacement services. If you’re unsure about doing this repair yourself, send your device to our expert technicians for fast and reliable repair.

https://tekdep.com/device-repair/

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SHOP PARTS:

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SHOP TOOLS:

Using precision tools ensures a safe and efficient repair. Always use the right tools to prevent damage to delicate components. Quality tools make every repair job more accurate and less stressful.

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HAVE QUESTIONS?

We’re here to help! Contact us:

• Phone: 818-456-4479
• Email: support@tekdep.com

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