12Volt Truck AC Compressor For Standard For Fits Various SD7H154868 509578 WXTK109

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When installing an automotive air conditioning compressor, it is not uncommon for there to be some level of noise. However, if the noise is excessive or unusual, it could indicate a problem with the compressor. Here are some steps to detect and repair compressor noise:

1. Visual Inspection: Start by visually inspecting the compressor for any obvious signs of damage, such as leaks, loose components, or worn-out belts. Check all the connecting lines and fittings as well.

2. Listening Test: Listen carefully to the noise produced by the compressor. Pay attention to the type of noise (grinding, squealing, rattling, etc.), the duration, and whether it occurs consistently or intermittently. This will help you identify the potential source of the problem.

3. Pressure Testing: Connect pressure gauges to the high and low-pressure sides of the air conditioning system. Start the engine and turn on the air conditioning. Monitor the pressure readings and compare them to the manufacturer's specifications. If the pressures are too high or too low, it could indicate a problem with the compressor.

4. Vibration Analysis: Excessive compressor noise can sometimes be caused by excessive vibration. Use a vibration analyzer to measure the level of vibration in the vicinity of the compressor. Excessive vibration can be caused by a misalignment of the compressor, worn-out motor mounts, or damaged internal components.

5. Lubrication Inspection: Check the compressor's lubricant level and quality. Low or contaminated lubricant can lead to increased friction and noise. If necessary, drain and replace the lubricant according to the manufacturer's recommendations.

6. Belt and Pulley Inspection: Examine the belt and pulley for any signs of wear, such as cracks, fraying, or misalignment. A loose or damaged belt can cause noise and affect the performance of the compressor. Replace or adjust the belt as needed.

7. Compressor Replacement: If all else fails and the noise persists, it may be necessary to replace the compressor. Consult with a professional technician who can help determine if a compressor replacement is needed.

General system

Each system may vary slightly per vehicle. For example, some may include an orifice tube whereas others have an expansion valve. This means the system has up to 7 components including:

• Compressor: compresses cool refrigerant gas into hot refrigerant gas
• Condenser and fan: converts hot refrigerant gas into a hot liquid at high pressur
• Receiver Dryer: temporarily stores refrigerant when not needed by the system
• Expansion (TX) Valve / Orifice Tube: regulates refrigerant flow / creates pressure drop
• Evaporator: cools air before entering cabin
• Heater Core: warms air before entering cabin (uses engine coolant rather than refrigerant)
• Blower Motor: fans hot or cold air into the cabin

Guangzhou Wei Xing Automobile Air Conditioning Parts Co., Ltd.

        Guangzhou Wei Xing automobile air conditioning parts Co., Ltd. was founded in 1998, is an automobile air-conditioning compressor factory, 20 years specializing in automotive air-conditioning compressor production, research and development, processing services. 

        Stable quality and professional services have been recognized and supported by customers in more than 50 countries all over the world. In order to meet the needs of customers and better service customers, the company set up sale shop in 2005, the main sales of own brand "WNRLN" and foreign well-known brands of compressors and automotive air-conditioning systems related accessories.

       With the globalization of the world and the development of the Internet, the company began to open the official website in 2015 to realize the diversification of online and offline sales,allowing customers to have a better shopping experience. In the past 20 years, we have developed a professional technical team and sales team to provide professional overall solutions and provide the whole set of air-conditioning design and production services. Professional attention enables us to go further, and it is our mission to bring China's good quality to the whole world.

Your Best Choice！

At our automotive air conditioning compressor company, we are dedicated to providing exceptional service to our customers. Our service philosophy revolves around three key principles:Service, Quality Assurance,customer satisfaction.

First and foremost, we are committed to responsiveness in our customer service approach. We recognize that issues with air conditioning compressors can arise unexpectedly and may require urgent attention. That's why we have established a dedicated customer support team that is available around the clock to address any concerns or inquiries. Whether it's troubleshooting technical issues, providing guidance on installation and maintenance, or processing warranty claims, our team is always ready to assist our customers promptly and efficiently."After-sales service make permanent customer".

Secondly,we prioritize reliability in everything we do. We understand the critical role that air conditioning compressors play in the functionality of vehicles, especially in hot climates or during long journeys. Therefore, we ensure that our products are built to the highest standards of quality and durability. From the materials we use to the manufacturing processes we employ, reliability is at the forefront of our operations. Additionally, we offer comprehensive warranty coverage and after-sales support to instill confidence in our customers regarding the performance of our compressors.

Furthermore,We closely monitor market trends and customer feedback to identify areas for improvement and innovation. By staying at the forefront of technological advancements, we aim to deliver products that exceed our customers' expectations and set new industry standards.

In addition to these core principles, we place a strong emphasis on building long-term partnerships with our customers. We believe that open communication, mutual respect, and trust are essential for fostering successful business relationships. We actively seek feedback from our customers and use it to drive continuous improvement in our products and services. By aligning our goals with those of our customers and working collaboratively towards shared success, we aim to create value and sustainable growth for both parties.

We aim to be the preferred choice for automotive air conditioning solutions globally.