What is a radiator flush?

Prestone’s radiator flush provides a heavy-duty cleaning to your entire cooling system. It can help restore engine efficiency by removing heavy deposits. This radiator coolant flush is non-toxic and non-acidic. It helps prevent your engine from overheating and is safe to use on all cooling system metals.

How often should a radiator flush be done?

A common radiator flush interval is every 30,000-50,000 mile, or every 2-5 years. How long does it take to flush a radiator? A trained mechanic can perform a radiator flush in about 30 minutes using a commercial coolant flush and fill machine. Without a machine, a radiator flush takes about two hours.

How do you flush a radiator with tap water?

Flush the radiator with tap water until the drainage runs clear. Repeat filling the radiator with 1 gallon (3.8 L) of tap water, running the car with the heat on, and draining it once it’s cooled. Once the water runs clear, flush the system one last time with distilled water.

A radiator flush (or coolant flush) consists of four steps: Draining the existing coolant from your vehicle’s radiator. Adding new coolant and conditioner to the radiator.

Do I need a radiator flush with a protection plan?

If a protection plan covers your vehicle, check the underwriting before you tackle this project. Take your time when cleaning out your radiator. Properly executed radiator flushes can save you big down the line. Be sure to set aside enough time to do it right, lest you cause more damage to the system. Less can be more.

What chemicals are used in a radiator flush?

Take a look at the active chemical used in the flush, and make sure you have a buffering agent to render it inert. Basic chemicals (like baking soda) help with acid burns while acids (like vinegar) counteract basic solutions. This radiator flush comes in a 16-ounce container, meant to provide a single flush on any vehicle with a 15-liter system.