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Flange - functions and different variants

A flange is generally used as a connecting element between the pipe lines and between housing and machine parts. During the cooling circuit of a water-cooled engine, the supply lines for the cooling water are connected via a coolant flange to the engine housing .The flange serves as a solid and stabilizing connector, which can nevertheless be detached from the parts it connects to. A seal prevents the escape of cooling water at the junction between the flange and the engine housing.The coolant hoses are usually plugged into the connectors on the flange and are fixed with a clamp or clamp. A temperature sensor is also usually located on the flange. It's fixed to the motor via a screw. Other flanges s are often found between the engine and transmission, bearings, shafts and various casing parts.Manufactured flanges are typically made from steel or cast iron. There are also special flanges made of plastic or rubber. Refridgerant flanges are produced by Febi Bilstein, Vaico, Elring, Valeo, Triclo or Vernet, among others.

Possible damage to the flange connections

Generally, flanges s are very robust and resilient, but they may take long-term damage particularly from high mechanical stress.Corrosion and severe temperature changes can also lead to material fatigue. Leaks through a damaged seal between the connection points or by damage to the flange itself can lead to the escape and loss of cooling water.If a flange displays signs of damage such as fine cracks or breaks, it should be changed as soon as possible.

Replacing the coolant flange

Replacingof a flange varys in difficulty depending on what parts it connects, or where it is located.Coolant flange replacement should be relatively easy to carry out in most cases. First the cooling water hoses must be removed before the old flange can be unscrewed. This should definitely be done on a cold engine to avoid injury from hot coolant. After installing the new flange the amount of coolant lost should be replaced.Replacing the temperature sensor at the same time is also recommended. All the necessary spare parts can be ordered easily and inexpensively in our online shop. You'll also find a wide range of other spare parts in OEM quality for a large number of car models.