Part 1/4: 2009-2015 Ram trucks A/C evaporator and recirculate housing

3 min read 1 month ago
Published on May 24, 2025 This response is partially generated with the help of AI. It may contain inaccuracies.

Introduction

This tutorial will guide you through the process of accessing and replacing the A/C evaporator and recirculation housing in 2009-2015 Ram trucks. Whether you're a DIY enthusiast or a professional mechanic, this step-by-step guide will help you understand the procedure clearly and efficiently.

Step 1: Gather Necessary Tools and Materials

Before starting the repair, ensure you have all the necessary tools and materials ready:

  • Socket set (including 10mm and 13mm sockets)
  • Ratchet and extension
  • Flathead screwdriver
  • Phillips screwdriver
  • Pliers
  • Replacement A/C evaporator and recirculation housing
  • Rags for cleanup

Tips

  • Wear safety gloves and goggles to protect yourself during the repair.
  • Keep your workspace organized to avoid losing small parts.

Step 2: Disconnect the Battery

To prevent any electrical issues while working on the vehicle:

  1. Open the hood.
  2. Locate the battery.
  3. Use a socket wrench to disconnect the negative terminal first, followed by the positive terminal.

Step 3: Remove the Dashboard

Accessing the A/C components requires removing the dashboard:

  1. Begin by removing any trim pieces around the dashboard.
  2. Unscrew and detach the bolted sections of the dashboard using a socket wrench.
  3. Carefully pull the dashboard away from the vehicle, disconnecting any electrical connectors as you go.

Common Pitfalls

  • Be cautious of airbag connectors and ensure they are properly handled to avoid deployment.

Step 4: Locate the A/C Evaporator

Once the dashboard is removed:

  1. Find the A/C evaporator housing unit.
  2. Identify the screws and bolts holding it in place.

Step 5: Remove the A/C Evaporator Housing

To remove the housing:

  1. Unscrew and detach all mounting screws and bolts.
  2. Carefully pull the housing away from its position.
  3. Disconnect any attached hoses or wiring harnesses.

Important Note

  • Be prepared for refrigerant to escape if the A/C system has not been properly evacuated.

Step 6: Replace the Evaporator

With the old evaporator removed:

  1. Compare the old evaporator with the new one to ensure they match.
  2. Install the new evaporator into the housing.
  3. Reattach any hoses or wiring harnesses.

Step 7: Reassemble the Dashboard

After replacing the A/C evaporator:

  1. Reinstall the A/C evaporator housing by reversing the removal steps.
  2. Ensure all screws and bolts are tightened securely.
  3. Reconnect the dashboard, ensuring all electrical connectors are properly attached.

Step 8: Reconnect the Battery

Once everything is in place:

  1. Reconnect the positive terminal of the battery first, followed by the negative terminal.
  2. Secure the battery cover if applicable.

Conclusion

You have successfully replaced the A/C evaporator and recirculation housing in your Ram truck. Make sure to check the functionality of the A/C system before finalizing the repair. If you encounter any issues or have questions during the process, don’t hesitate to consult a professional mechanic or refer back to this guide for assistance. Happy repairing!