How to Replace AC Compressor & Component Kit 2003-2007 Honda Accord

Introduction

In this tutorial, you'll learn how to replace the AC compressor and component kit on a 2003-2007 Honda Accord. The AC compressor is essential for circulating refrigerant and keeping your vehicle's air conditioning system functioning properly. Over time, it may fail due to age or other component issues. This guide will provide you with step-by-step instructions, necessary tools, and safety tips to complete this task effectively.

Step 1: Prepare Your Workspace

• Ensure your vehicle is parked on a flat surface and turn off the engine.
• Gather all necessary tools:
  • Phillips Head Screwdriver
  • 10mm, 12mm, 14mm, and 8mm sockets
  • Torque Wrench
  • Needle Nose Pliers
  • Trim Tool Set
  • Safety Glasses and Gloves
  • Drain Pan
• Make sure to have a coolant funnel set and PAG oil ready for use.

Step 2: Safely Remove Refrigerant

• Important: Before starting, have the AC refrigerant removed by a qualified technician. This ensures your safety and compliance with environmental regulations.

Step 3: Access the AC Compressor

• Lift the Vehicle: Use ramps to elevate the front of the vehicle for better access.
• Remove Necessary Panels: If applicable, use a trim tool to remove any panels obstructing access to the compressor.
• Disconnect Battery: Always disconnect the negative battery terminal to prevent electrical accidents.

Step 4: Remove the Old AC Compressor

• Locate the AC Compressor: It is usually mounted on the front of the engine.
• Disconnect Electrical Connectors: Carefully unplug any electrical connectors attached to the compressor.
• Remove Bolts: Use the appropriate socket sizes (10mm, 12mm) to remove the mounting bolts securing the compressor.
• Detach Refrigerant Lines: Use the needle nose pliers to disconnect refrigerant lines carefully. Be prepared for some residual refrigerant to escape.

Step 5: Install the New AC Compressor

• Position the New Compressor: Align the new AC compressor into the mounting bracket.
• Secure with Bolts: Reinstall the mounting bolts and tighten them to the manufacturer’s specifications using a torque wrench.
• Reconnect Refrigerant Lines: Ensure the lines are securely attached and not cross-threaded.
• Reconnect Electrical Connectors: Plug back any electrical connectors that were disconnected earlier.

Step 6: Add PAG Oil

• Oil Installation: Before closing the system, add the specified amount of PAG oil into the compressor. This lubrication is crucial for the compressor's operation.

Step 7: Reassemble and Test

• Reinstall Any Removed Panels: Ensure all panels and covers removed during the installation are securely reattached.
• Reconnect the Battery: Reattach the negative battery terminal.
• Recharge the AC System: Have the AC system recharged with refrigerant by a qualified technician. This is vital for the AC’s performance.

Conclusion

Replacing the AC compressor in your Honda Accord is a manageable task with the right tools and preparation. Always prioritize safety, particularly when handling refrigerants. After installation, ensure the new compressor is properly lubricated and that the AC system is recharged. With these steps, you can enjoy cool air in your vehicle once again. For further maintenance tips or repairs, refer to your vehicle's manual or consult a professional mechanic.