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PRESTONE AF6100 Specifications
BiodegradableYes
Ethylene GlycolNo
Fluid ColorTeal
Organic Acid Technology BasedYes
Propylene Glycol FormulationNo
European Blend; 1 Gallon; Teal; HOAT

Optimal formula for all BMW®; All Mini®; All Volvo®; Mercedes® older than 2014; Volkswagen® older than 1997; Audi® older than 1997; Jaguar® older than 1999, Porsche® older than 1996. This technology regulates your engine’s temperature, prevents freezing and protects the engine from corrosion.

Features & Benefits:
  • Superior protection guarantee – 5-year/150,000-mile Extended Life Formula.
  • Includes the Prestone® protection package that meets corrosion, rust and scale protection standards for the cooling system.
  • Ready to Use formula. Perfect for small volume top-off or complete drain and refill of the cooling system.
Prediluted formula contains 50% distilled or deionized water, mixed with 50% full-strength concentrate, making it ready-to-use straight from the bottle.

Concentrated formula contains 100% full-strength concentrate, and must be mixed with the recommended ratio and type of water (typically distilled or deionized) before use.
Coolant / Antifreeze Says a lot about Cooling System Health!

Routinely inspect your Coolant / Antifreeze with these simple checks, and flush the system when necessary, to help prolong the life of your Cooling System:

COOLANT COLOR / CLARITY

Coolant should be bright, clear and free of debris. Dirty or brown coolant can be caused by:

  • A blown Cylinder Head Gasket
  • Corrosion from imbalanced coolant chemistry
Oil Coolant
Oil in Coolant
COOLANT CONDITION

Use Coolant / Antifreeze Test Strips to test condition / chemistry. Poor coolant condition can be caused by:

  • Frequently topping off with water
  • Improper dilution / mixing coolant formulas
Coolant Test Strip
Test Strip Process
COOLANT VOLTAGE

Use an Electrical Tester to Test Coolant for Electrolysis. Common causes of Electrolysis include:
  • Stray electrical current from a loose or damaged Battery Cable ground
  • Worn / old, acidic coolant
Electrical Tester
A reading of 0.4 volts or above
suggests electrolysis
Videos

Importance of Routine Cooling System Maintenance

Prestone® Helps Avoid Costly Repairs

Additional Resources

Material Safety Data Sheet (MSDS)
Antifreeze is recyclable! Many towns have free waste drop-off sites, which a quick internet search will help you find.

Attention California Customers - WARNING: Reproductive Harm - www.P65Warnings.ca.gov