Why Cooling System Repairs on a European Car Can Be Tricky

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Most people think that cooling systems on all vehicles can be simple to work on. On the other hand, cooling systems can be tricky to repair when working on an European vehicle.

Cooling systems are designed to keep the engine working at operating temperature for optimal performance. Plus, cooling systems also aid in heating the cab up for climate control and also defrost for foggy windows.

Cooling systems on some vehicles can be very complex. On European vehicles, most cooling systems are tricky to work on for the system is tucked away or is in tight spots. A lot of European vehicles have remote reservoirs to fill up the cooling system. The radiator usually is tucked away inside the front grill of the chassis. This makes it a bit difficult to fill up a system when changing the contaminated or weak coolant.

There are two types of cooling systems:

  • Conventional cooling system
  • Closed cooling system

When flushing a conventional cooling system, there will be access to the radiator and have an easy access to the drain valve on the lower portion of the radiator. Usually the heating system will drain with the radiator.

When flushing a closed cooling system with a reservoir (expansion tank) the radiator can be mounted in the open or hidden. Since the radiator is hidden in an European vehicle, this can be tricky when flushing the coolant. The best way to flush the coolant is to use a tool called - coolant vacuum bleeder. This tool will draw all of the coolant from the system into a drain container or bucket and place a vacuum on the entire system. Then when the system is ready for recharge, just take the drain hose and place it into the new coolant. Be sure to have extra coolant to keep from getting air into the system. Turn the valve to flow and let the vacuum draw in the new coolant. This will fill the system, but if there is a slow leak, the system will be low when recharged.

When replacing coolant hoses on European vehicles, there may be some obstacles in the way. For example, some European vehicles have coolant hoses that connect the the engine behind a pulley or a pump. This can be tricky, for it seems almost impossible to gain access to the hose clamp. In this case, the pulley or pump must be removed to gain access to the hose clamp. Sometimes when removing parts, they tend to break off and cause even more problems.

Other systems may be in the way of the cooling system like the air conditioning hoses. If the hose is bendable and can be moved, then removing the clamps to the air conditioning hose would aid in replacing a coolant hose. However, if the air conditioning hose is hard and cannot bend, then removal of the refrigerant from the air conditioning system is a must. This will remove all pressure to the air conditioning system allowing the hose to be disconnected and moved out of the way to gain access to the cooling system hose.


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YourMechanic Cooling System Flush Service

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Number of Reviews

624

Rating Summary
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579
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Walter

45 years of experience
123 reviews
Walter
45 years of experience
Toyota 4Runner - Cooling System Flush - Tulsa, Oklahoma
Walter has worked on a couple of my vehicles and has always done a great job. He gives good pointers/recommendations, and i have always learned something new when he services my vehicles. I would highly recommend him to anyone.
Chevrolet Equinox - Cooling System Flush - Tulsa, Oklahoma
Walter is great. He is knowledgeable, patient, honest and determined. He assured us he would get the job done an he did. Thank you Walter

Robert

39 years of experience
35 reviews
Robert
39 years of experience
Dodge Durango - Cooling System Flush - Scottsdale, Arizona
Robert showed up on time and he had everything done and ready in only a couple hours! The car runs great now!
Land Rover Range Rover - Cooling System Flush - Gilbert, Arizona
Excellent mechanic. Knows what he is working on and hard to believe but he is a very honest mechanic. Will tell you the truth about what need to be done on your vehicle. Nothing else.

Pardeep

20 years of experience
693 reviews
Pardeep
20 years of experience
Dodge B3500 - Cooling System Flush - Campbell, California
Pardeep did an excellent job installing a new water pump and bypass hose as well as an oil and filter change, on my 98 Dodge Utility Van. I recommend him highly!
Ford Escape - Cooling System Flush - San Jose, California
Pardeep called to see if he could come earlier than the scheduled time, which is always great, and was done before I knew it. He found that he drain plug o-ring was leaking a little and replaced it even though that was not on the service schedule. Another great service from him.

Rafael

26 years of experience
20 reviews
Rafael
26 years of experience
Lincoln Zephyr - Cooling System Flush - San Pablo, California
Quality work. Very efficient. Especially appreciate work was done right here at home. Thanks Rafael.

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