Skip to main content

What Causes the Car to Shake When the AC is Turned On?

 

car services in reading, reading auto services, reading auto repair, full car service reading, car service reading,

When you turn on the air conditioner (AC) in your car, you expect a cool and comfortable ride. However, you may occasionally experience an unexpected side effect—a noticeable shaking or vibrating sensation in your vehicle. This phenomenon can be concerning, but it's important to understand that it is not uncommon. In this article, we will explore the reasons why your car may shake when the AC is turned on. Additionally, we will discuss how regular maintenance, such as a full car service reading, can help alleviate this issue and keep your vehicle running smoothly.

Understanding the AC System:

To comprehend why your car shakes when the AC is activated, it's essential to have a basic understanding of how the AC system works. The AC system in a car consists of various components, including the compressor, condenser, evaporator, and expansion valve. The compressor, driven by a belt connected to the engine, pressurizes and circulates the refrigerant, allowing it to absorb heat from inside the vehicle. As the refrigerant flows through the system, it undergoes a phase change, resulting in the cooling effect that keeps the cabin comfortable.

Engine Load and Idle Speed:

One of the primary reasons your car may shake when the AC is turned on is the increased engine load caused by the compressor. The AC compressor places an additional strain on the engine, requiring more power to operate effectively. When the AC engages, the engine compensates by increasing the idle speed to handle the extra load. If the engine idles speed is not properly adjusted or if there are underlying issues with the engine or its components, it can result in a rough idle, causing the car to shake.

To address this issue, a car service reading, which includes an inspection of the engine, idle speed adjustment, and proper tuning, can help ensure smooth operation when the AC is turned on.

Faulty Engine mounts:

Another common culprit behind a shaking car when the AC is activated is worn or faulty engine mounts. Engine mounts are designed to secure the engine firmly to the chassis while minimizing vibrations and preventing excessive movement. Over time, these mounts can degrade, lose their integrity, or become damaged, leading to increased engine vibrations.

When the AC system adds a heavier load to the engine, the already weakened engine mounts may struggle to absorb the additional vibrations, resulting in noticeable shaking throughout the car. A full car service can help identify worn or damaged engine mounts and replace them, restoring stability and minimizing vibrations.

Electrical Issues:

Electrical problems within the AC system can also contribute to car shaking when the AC is turned on. The AC system relies on various electrical components, such as relays, switches, and wiring, to function correctly. If any of these components are faulty, it can cause irregular power delivery or disruptions in the AC system's operation.

When electrical issues arise, they can affect the performance of the AC compressor, causing it to operate erratically or inefficiently. As a result, the engine may experience uneven power distribution, leading to shaking or vibration in the car. A comprehensive full car service will include a thorough inspection of the electrical system, ensuring any issues are identified and resolved promptly.

Conclusion:

Experiencing car shaking when the AC is turned on can be a frustrating and uncomfortable problem. However, it is often caused by common issues such as increased engine load, faulty engine mounts, or electrical problems within the AC system. By scheduling a full car service, you can address these issues proactively and maintain a smooth and comfortable ride. Expert technicians can diagnose and resolve the root causes of the shaking, ensuring your car runs optimally, even with the AC running. Don't let a shaking car dampen your driving experience—keep your vehicle in top condition with regular maintenance and professional servicing.


Labels:

Comments

Post a Comment

Popular posts from this blog

2023 Reviews of the Top 6 Best Spark Plug Brands

  When it comes to maintaining the performance and efficiency of your vehicle's engine, choosing the right spark plugs is crucial. Spark plugs play a vital role in igniting the air-fuel mixture inside the combustion chamber, ensuring smooth engine operation. With numerous spark plug brands available in the market, it can be challenging to determine which ones are the best. In this article, we will review the top 6 spark plug brands of 2023, considering factors such as performance, durability, and customer satisfaction. 1.     Brand A: Brand A has consistently been a leading player in the spark plug industry. Their spark plugs are known for their high-quality materials, precise engineering, and exceptional performance. Customers have praised Brand A for its longevity and consistent ignition. Additionally, Brand A offers a user-friendly website that allows customers to easily check the MOT history of their vehicles, ensuring optimal spark plug compatibility and pe...
Post a Comment
Read more

Symptoms That Your Exhaust Flexi Pipe Is Leaking and Why You Should Visit a Car Garage in Reading for Repairs

  If you're experiencing issues with your car's exhaust system, it could be due to a leaking flexi pipe. The flexi pipe is a crucial component of the exhaust system, and it's important to keep an eye out for signs that it's failing. In this article, we'll take a look at the symptoms of a leaking flexi pipe and why it's important to have it fixed. If you're in the Reading area and need a car garage, we recommend visiting a reliable car garage in Reading to get your car checked out. 1.     Loud Engine Noise One of the most noticeable symptoms of a leaking flexi pipe is a loud engine noise. If your engine sounds louder than usual, especially when you start it up or accelerate, it could be due to a leak in the flexi pipe. This noise is caused by the air escaping from the hole in the pipe, and it can be quite loud and distracting. It's important to get this fixed as soon as possible to prevent any further damage to your car. 2.     Reduced Engine Per...
Post a Comment
Read more

MOT Reading: Understanding the Importance of MOT Checks

  MOT reading , commonly referred to as MOT check or simply MOT, is a mandatory test for vehicles in many countries, including the United Kingdom. It ensures that vehicles meet the necessary safety and environmental standards set by the government. This article aims to provide a comprehensive guide to understanding MOT reading, its importance, procedures, and consequences. Importance of MOT Checks MOT checks are crucial for several reasons. Firstly, they ensure that vehicles on the road meet minimum safety standards, reducing the risk of accidents and injuries. Additionally, MOT tests help in controlling vehicle emissions, contributing to environmental protection efforts. Moreover, having a valid MOT certificate is a legal requirement for most vehicles, and driving without one can lead to penalties or fines. Understanding MOT Regulations MOT regulations outline the specific criteria that vehicles must meet to pass the test. The test typically includes various components, ...
Post a Comment
Read more