Cooling System Treatments

Take care of your cooling system with Prestone® Cooling System products. Prestone offers a variety of products to help you flush, clean and protect your cooling system.

  • Prestone® Radiator Complete Care + Stop Leak

    Prestone® Radiator Complete Care + Stop Leak is formulated with patented Grafted Polymer Technology to extend and protect water pump life by reducing friction and protecting against corrosion in just 1 treatment, while also stopping and preventing leaks in all major cooling system components.

    NOTE: Do not use in a dirty or partially clogged radiator. Use Prestone® Flush + Cleaner first.

    1. With engine off and cool, remove radiator cap.*

    2. Shake bottle well and pour entire contents of PRESTONE® RADIATOR COMPLETE CARE into radiator and fill with water.  One bottle treats cooling systems up to 12 quarts.  For systems larger that 12 quarts, use two bottles.

    3. Replace radiator cap to fully closed position.  Run engine for 10-15 minutes after reaching normal operating temperature to mix thoroughly.

    CAUTION: MAY IRRITATE EYES. Do not get in eyes. KEEP OUT OF REACH OF CHILDREN. FIRST AID TREATMENT: Contains Bentonite Clay, Polyakylene Glycol (proprietary) and Polyoxyalkylen Polymer (proprietary). If in eyes, rinse with water for 15 minutes. If on skin, rinse well with water. If swallowed, call a Poison Control Centre or doctor immediately. Do NOT induce vomiting.

    Patented Grafted Polymer Technology extends & protects water pump life by reducing friction & protecting against corrosion.  Stops leaks in Radiators, heater cores and water pumps.

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  • Prestone® Radiator Complete Care

    Prestone® Radiator Complete Care is formulated with patented Grafted Polymer Technology to extend and protect water pump life by reducing friction and protecting against corrosion in just 1 treatment.

    NOTE: Do not use in a dirty or partially clogged radiator. Use Prestone® Flush + Cleaner first.

    1. With engine off and cool, remove radiator cap.* 

    2. Shake bottle well and pour entire contents of PRESTONE® RADIATOR COMPLETE CARE into radiator and fill with water.  One bottle treats cooling systems up to 12 quarts. For systems larger that 12 quarts, use two bottles.

    3. Replace radiator cap to fully closed position.  Run engine for 10-15 minutes after reaching normal operating temperature to mix thoroughly.

    CAUTION:
    MAY IRRITATE EYES. Do not get in eyes. KEEP OUT OF REACH OF CHILDREN. FIRST AID TREATMENT: Contains Polyakylene Glycol (proprietary). If in eyes, rinse with water for 15 minutes. If on skin, rinse well with water. If swallowed, call a Poison Control Centre or doctor immediately. Do NOT induce vomiting.

    PRESTONE® RADIATOR COMPLETE CARE contains an inhibitor package that coats and helps protect key cooling system metals from corrosion.  This product can be added to antifreeze/coolants between changes to boost the depleted corrosion protection of these fluids.  When used according to package directions, this specially formulated product will not cause over-addition problems such as reduced heat transfer or inhibitor precipitation that can be detrimental to the antifreeze in the system.

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  • Prestone® Radiator Flush + Cleaner

    Prestone® Radiator Flush + Cleaner is a 2 in 1 formula designed for light flushing and heavy duty cleaning for cooling systems to help prevent overheating, the #1 cause of engine failure.

    1. With engine off and cool, remove radiator cap.*  Drain radiator then close draincock.

    2. Pour entire contents of Prestone® Super Radiator Flush into radiator and fill with water.  For systems larger that 12 quarts, use two bottles.

    3. Run engine with heater on highest temperature setting for 10 minutes after reaching normal operating temperature. 

    4. With engine off and cool, remove radiator cap, drain radiator, and close draincock.  Refill with water and replace radiator cap to fully closed position.  Repeat step #3..

    5. Stop engine and allow to cool.  Remove radiator cap, drain system and close draincock.  Add enough recommended coolant to achieve a 50-70% concentration.  Top off radiator with water.  Replace radiator cap to fully closed position.  Run engine for 20 minutes to mix coolant/water.

    6. If equipped with a non-pressurized coolant reservoir, rinse, drain, and refill with a 50-70% solution of the coolant and water.

    CAUTION: MAY IRRITATE EYES. Do not get in eyes. KEEP OUT OF REACH OF CHILDREN. FIRST AID TREATMENT: Contains Sodium Citrate. If in eyes, rinse with water for 15 minutes. If on skin, rinse well with water. If swallowed, call a Poison Control Centre or doctor immediately. Do NOT induce vomiting.

    This premium formulation is designed to remove heavy rust and scale deposits in neglected cooling systems.  These deposits can dramatically restrict coolant flow and reduce heat transfer, which may lead to possible overheating, breakdown, or costly repair.  A super chelating additive effectively removes heavy deposits by drawing metal oxides into solution.  Though strong enough to help restore maximum cooling system efficiency, this non-toxic, non-acidic product is easy to use and safe for all cooling system metals.

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  • Prestone® Radiator Sealer

    Prestone® Radiator Sealer quickly seals large leaks in radiators, heater cores and water pumps with its patented formulation to provide a strong and durable seal.

    CAUTION: Never remove a hot radiator cap.

    NOTE: Do not use in a dirty or partially clogged radiator. Use Prestone® Flush + Cleaner first.

    1. With engine off and cool, shake well and add entire contents to radiator and fill with Prestone® 50/50 Antifreeze/Coolant.  For systems larger than 12 quarts use two bottles.
    2. Run engineat the highest heater setting for 10 minutes after reaching normal operating temperature.
    3. Turn off, allow to cool. Fill with Prestone 50/50 antifreeze/coolant.  Check fluid frequently, top off as necessary.

    CAUTION: MAY IRRITATE EYES. MAY IRRITATE SKIN. Do not get in eyes. Do not get on skin or clothing. KEEP OUT OF REACH OF CHILDREN. FIRST AID TREATMENT: Contains Bentonite Clay and Magnesium Aluminium Silicate. If in eyes, rinse with water for 15 minutes. If on skin, rinse well with water. If swallowed, call a Poison Control Centre or doctor immediately. Do NOT induce vomiting.

    PRESTONE® RADIATOR SEALER takes sealing performance to a higher level.  Its unique combination of natural and synthetic components provides the ability to seal leaks up to 0.016” X 0.5”.  What makes this possible is the size, strength, and durability afforded by fibrillated particles, the same materials in bullet proof vests.  PRESTONE® RADIATOR SEALER particles have been chosen to seal even large leaks without interfering with the flow through the radiator and heater core tubes.

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  • Prestone® Radiator Stop Leak

    Prestone® Radiator Stop Leak’s patented formula quickly stops leaks in radiators, water pumps and heater cores while also protecting against pitting and corrosion.

    NOTE: Do not use in a dirty or partially clogged radiator. Use Prestone® Flush + Cleaner first.

    1. With engine off and cool, shake well and add entire contents to radiator and fill with Prestone® 50/50 Antifreeze/Coolant.  For systems larger than 12 quarts use two bottles.
    2. Run engineat the highest heater setting for 10 minutes after reaching normal operating temperature.
    3. Turn off, allow to cool. Fill with Prestone 50/50 antifreeze/coolant.  Check fluid frequently, top off as necessary.

    PRESTONE® RADIATOR STOP LEAK takes sealing performance to a higher level.  Its unique combination of natural and synthetic components provides the ability to seal leaks up to 0.016” X 0.5”.  What makes this possible is the size, strength, and durability afforded by fibrillated particles, the same materials in bullet proof vests.  PRESTONE® RADIATOR STOP LEAK particles have been chosen to seal even large leaks without interfering with the flow through the radiator and heater core tubes. It also boosts corrosion inhibitors to protect against pitting and corrosion, which cause radiator leaks.

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