RC.600.369 12v dc air conditioner For FORD FOCUS SIGMA 2009 WXFD083

RC.600.369 12v dc air conditioner For FORD FOCUS SIGMA 2009 WXFD083
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Top 6 Causes of Automotive A/C Compressor Failure

1.Low Refrigerant Levels

The most common cause of compressor failure is insufficient refrigerant. When refrigerant levels drop, lubrication decreases, leading to metal-on-metal contact inside the compressor. This causes overheating and eventual seizure. Symptoms include reduced cooling performance and frequent clutch cycling. Always repair leaks before recharging the system.

2.System Contamination

Dirt, moisture, or metal particles in the A/C system can be devastating. Contaminants clog valves, damage bearings, and when moisture mixes with oil, it creates corrosive acids. Dark, gritty compressor oil indicates contamination. A full system flush is required after contamination occurs.

3.Incorrect Lubrication

Using the wrong type or amount of compressor oil leads to premature failure. Too little oil causes bearing failure, while incorrect oil types damage seals. Always use the manufacturer-specified oil (such as PAG 46 for R134a systems) and measure oil carefully during servicing.

4.Electrical and Clutch Problems

The electromagnetic clutch is a common failure point. Worn bearings cause noise and slippage, while electrical issues prevent engagement. A compressor that won't engage or makes grinding noises likely has clutch issues. Testing clutch voltage and resistance can diagnose these problems.

5.Excessive System Pressure

Blocked condensers or failed cooling fans create dangerously high pressures. This forces the compressor to work harder and may trigger safety cutoffs. Symptoms include intermittent cooling, especially in traffic. Regular condenser cleaning and fan checks prevent this issue.

6.Normal Wear and Tear

Even well-maintained compressors eventually wear out. Typical lifespan is 8-10 years or 150,000+ kilometers. Aging compressors develop seal leaks, bearing wear, and reduced efficiency. When this occurs, replacement is the only solution.
 

 
Warranty:
 
We provide one year quality warrantee. Any question of the product, please first contact us
This warranty is subject to the following conditions and exclusions:
1.The shipping costs for return back to our company is in buyer side
2. If any part is required to be replaced, the buyer should also pay for the costs of the parts to be replaced.
3. Before returning the items, please confirm the return address and the logistics method with us. After you give the items to the logistic company, please send us the tracking number.
As soon as we receive the goods, we will repair or change new part .
4. If the quality or damage caused by improper installation or use, not within the scope of warranty