As your Audi A4 1.8T engine's wears over time, the cooling system's coolant will need to be replaced as it picks up dirt particles and irritants. Flushing the cooling system of the coolant liquid so that you can replace it wish fresh coolant is an easy procedure that requires minimal time. It's important to regularly change your coolant to ensure that the cooling system's components continue to operate smoothly.
- Skill level:
- Moderately Easy
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Things you need
- Drain bucket
- Floor jack
- Jack stands
Raise your Audi's front end by placing a floor jack underneath the jack points that are located directly behind each of the front wheels.
As each corner of the front end is raised into the air, place a jack stand underneath the jack point and lower the car so that it is supported on the jack stand.
Locate the drain plug that is positioned directly behind the radiator at its bottom end.
Position a drain bucket below the drain plug.
Grasp the latch at the middle of the coolant drain plug and twist it in either direction as you pull it down to remove it.
Allow the coolant to drain out of the drain plug and into the drain bucket. Replace the drain plug when the coolant has finished draining.
Open the coolant expansion tank located on the driver's side of the engine bay near the windshield's end of the engine bay.
Pour the replacement coolant into the expansion tank and replace the expansion tank's cap once you have completed the task.
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