Plymouth Acclaim AC Isn't Working

Common Causes of AC Failure in Your Plymouth Acclaim and How to Restore Cool Airflow

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a Plymouth Acclaim AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

Troubleshooting AC Issues in a Plymouth Acclaim

When troubleshooting AC issues in your Plymouth Acclaim, it's essential to adopt a methodical diagnostic approach. Start with a visual inspection of the air conditioning system to identify any obvious signs of wear or damage. Next, check the refrigerant levels to ensure they are within the proper range, as low refrigerant can lead to inadequate cooling. If the refrigerant is low, use a sniffer to detect any leaks, particularly of CFC gas, which can indicate a more significant problem. Additionally, test the heater controls to confirm that air is directed correctly across the evaporator and that the heater core is sealed off when not in use. Inspect the compressor and its components, including the clutch plate and belt tension, as these are critical for proper AC operation. If you notice any slipping, consider swapping the compressor relay with another in the fuse box to rule out electrical issues. By following these steps, you can effectively diagnose and address AC problems, ensuring your Plymouth Acclaim remains comfortable during hot weather.

What Are the Common Problems Causing AC Failure in a Plymouth Acclaim?

When dealing with AC failure in a Plymouth Acclaim, it's essential to understand the common problems that may be at play. One of the most frequent culprits is low refrigerant, often caused by leaks in the system, which can significantly hinder the AC's performance. Additionally, pitted contacts within the electrical system can lead to voltage drops, affecting the clutch coil's ability to engage properly. HVAC system issues may also arise, particularly when the vehicle experiences heavy engine loads, causing it to inadvertently switch to defrost mode; this can often be remedied by installing a vacuum check valve. Electrical problems are another area to investigate, as faulty wiring or components can disrupt the climate control system's functionality. Furthermore, a malfunctioning speed sensor can impact the overall operation of the AC system, making it crucial to ensure this component is working correctly. Lastly, be vigilant for leaks in hoses or seals, as these can lead to refrigerant loss and subsequent AC failure. By addressing these common issues, DIYers can effectively troubleshoot and restore the AC system in their Plymouth Acclaim.

Why is the AC Not Working in a Plymouth Acclaim?

When the air conditioning in your Plymouth Acclaim fails to cool, it’s crucial to act promptly to avoid more severe issues down the line. Common culprits include refrigerant leaks, which can gradually deplete the system's cooling capacity, leading to a complete breakdown if left unchecked. Additionally, electrical climate control problems can disrupt the AC's functionality, while a malfunctioning compressor can halt the cooling process altogether. Ignoring these symptoms not only compromises your comfort but can also lead to costly repairs if critical components are damaged due to neglect. Therefore, if you notice your AC is not performing as it should, it’s advisable to investigate the issue immediately. By addressing these problems early, you can ensure your vehicle remains in good working order and avoid the risk of more extensive repairs in the future.

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