RC..600.093 Truck AC Compressor For MODELO 7B10 POLIA 1A 115MM R134A WXTK454

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What to Do When Your Car's A/C Compressor Stops Working

1. Initial Checks

Check the A/C Controls – Ensure the system is turned on and set to the coldest setting with the fan running.

Inspect the Fuse & Relay – Locate the A/C fuse in the fuse box (refer to the owner’s manual) and replace if blown. Test or swap the A/C relay with a similar one (e.g., horn relay) to check for failure.

2. Verify Compressor Clutch Engagement

Start the engine and turn on the A/C.

Observe the compressor clutch (front of the compressor). It should click and spin when engaged.

If the clutch doesn’t engage:

Check for power at the clutch connector (should be 12V+ when A/C is on).

Test clutch coil resistance (should be 2–5 ohms).

If no power, check pressure switches, wiring, and the climate control module.

3. Check Refrigerant Pressure

Low refrigerant (due to leaks) can prevent the compressor from engaging.

Use an A/C manifold gauge set:

Low side: Normal range ~25–45 psi (varies by temperature).

High side: Normal range ~150–250 psi.

If pressure is too low, the system may have a leak (check for oily residue around fittings).

4. Listen for Unusual Noises

Grinding/clicking noise? – Could indicate a failing clutch bearing or internal compressor damage.

Belt squealing? – The compressor may be seized, causing belt slip.

5. Electrical & Sensor Checks

Pressure switches – If faulty, they can block compressor operation.

A/C control module – Some vehicles disable A/C if engine sensors (like coolant temp) detect overheating.

Check for error codes – Use an OBD2 scanner for climate-related faults.

6. Possible Solutions

✔ If the clutch isn’t engaging but has power – Replace the clutch assembly.

✔ If refrigerant is low – Repair leaks, evacuate, and recharge the system.

✔ If the compressor is seized – Replace the compressor and flush the system.

When to Seek Professional Help

If you lack A/C tools (gauges, vacuum pump).

If the system has major leaks or contamination.

If electrical diagnostics are too complex.

Need a Replacement Compressor?

Weixing provides high-quality, direct-fit A/C compressors with a 24-month warranty.

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.