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How to Diagnose and Repair a Mercedes W220 Airmatic Valve Block
How to Diagnose and Repair a Mercedes W220 Airmatic Valve Block
Airmatic systems are a great addition to the driving experience of many Mercedes vehicles, offering a level of adjustability that is impossible with traditional spring-based suspension.w220 airmatic valve block Using compressed air to support the weight of the car, the system allows you to raise or lower the car at the touch of a button, improving aerodynamics and clearance as needed.
The valve block is one of the most important components of the Airmatic system.w220 airmatic valve block This small part is responsible for distributing pressurized air to each air strut or air spring as directed by the computer in your vehicle. If it becomes damaged or faulty, it can cause issues with the system that will negatively affect the comfort and handling of your car.
When the Airmatic system is working properly, it distributes the pressure from your compressor to each air strut or spring at the push of a button or manually with the use of a switch.w220 airmatic valve block This ensures that the air struts or air springs will remain in their proper position without leaking, allowing your vehicle to be safe and comfortable for you and your passengers.
If your Airmatic system is not functioning properly, you might notice a warning light on the dashboard that reads “AIRMATIC FAILURE, VISIT WORKSHOP!” This will indicate that your air suspension has been impacted by a problem and should be addressed right away. If the issue is not fixed, it may continue to damage other parts of the suspension, which could cause serious safety issues and compromise the overall performance of your car.
Symptoms of a bad Airmatic valve block
The most common sign of a bad airmatic valve block is that the vehicle will not rise or fall as it should. This can cause the vehicle to lean or sag in one or more corners, or even make it appear to sit too high or too low.
This can be caused by a leak in the air spring or the air compressor or it might be a malfunction with the valve block itself. The easiest way to determine which is the cause is to remove all of the air lines from the valve block and replace them. If you are unable to find any leaks, then the next step is to inspect all of the connections in the valve block to make sure they are not cracked or damaged.
Once you have determined which connections are faulty, it is time to purchase a replacement for the airmatic valve block. You can order a new OE design unit from RMT, which is made of the same materials as the original parts that were used in your vehicle. These units will test electrically and pneumatically to ensure that they are working correctly.
Once you have replaced the old Airmatic valve block, you should take a close look at the solenoid air lines to check for signs of dry rot or corrosion. These can occur when the O-rings in the solenoid lines become damaged or worn over time.
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