All principal element components are developed, manufactured and tested in house, such as bearings(life), impellers (pumping water), mechanical seal kits(sealing) and housings(ruggedness). Thank you for asking about your Audi A6. Primarily based on your description, your greatest bet may possibly be to have your automobile looked at by a certified ASE mechanic. A split or broken hose, hole in the radiator, leaks in the water pump, heater core, or engine freeze plugs can also let coolant to escape.
Start off this test with the engine cold. Get rid of the radiator cap and make confident that the coolant is effectively filled. Leave the cap off and start off the engine. As the engine warms up, the thermostat will open. As a common rule, you can tell that the thermostat is opened once the upper and lower radiator hoses are each hot. Once it opens, you must be capable to see the flow of coolant in the radiator or in the coolant expansion tank. Most of the time, the coolant will look like it ‘s spinning in the radiator. If you cannot see any movement, it signifies that the pump is not pumping anymore.