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"My Audi water pump appears to be leaking. What should I do?"

Bosch 0392020073 Electric Water Pump

$105.95


Audi Water Pump Replacement Information - Blauparts

It is the installers responsibility to take the necessary time to thoroughly flush the cooling system. It has been noted that due to time constraints, inconvenience, and profit, many individuals, mechanics, and repair shops do not take the extra time needed to thoroughly flush the entire cooling system prior to the installation of a new Audi water pump. Just draining the cooling system and refilling it is not enough! Thoroughly flushing the coolant involves the engine block, radiator, heater core, and hoses.

Premature leaking from the Audi water pump gasket mating area is almost always due to improper alignment during installation, mating surfaces not being prepared properly, or a sealing agent being used. Sealing agents (RTV Form-a-Gasket silicones, aerosol adhesives or sealants) vary in composition and intended usage. When used in conjunction with composite paper gaskets, they negatively affect the gasket's ability to properly compress and perform the sealing function, rendering them ineffective (see image 3).

Audi Water Pump (A6 Quattro Allroad S4) - FCP Euro

 

Audi Water Pump
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Audi Water Pump
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Audi Water Pump
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It is the installers responsibility to take the necessary time to thoroughly flush the cooling system. It has been noted that due to time constraints, inconvenience, and profit, many individuals, mechanics, and repair shops do not take the extra time needed to thoroughly flush the entire cooling system prior to the installation of a new Audi water pump. Just draining the cooling system and refilling it is not enough! Thoroughly flushing the coolant involves the engine block, radiator, heater core, and hoses.

Some installers have used sealing compounds which can significantly reduce the sealing function of the Audi water pump gasket. It is important to note that no sealing compounds were used when mating the water pump to the engine block from the factory. The factory Robert Bentley manual makes no reference to using sealing compounds during water pump replacement. It is important to pay attention to and follow the manufacturer's installation instructions. Sealing agents (RTV Form-a-Gasket silicones, aerosol adhesives or sealants) should NOT be used!