DIRECTIONS: Drain radiator. Flush. Fill radiator with clean water, leaving room for
radiator cleaner bottle contents (i.e. 32 fl. oz.). Idle engine fast. Add entire contents
of this bottle. Run engine “hot” for 30 minutes. Do not let boil and do not drive car.
Drain system and flush thoroughly with clean water. Replace with coolant. For
optimal performance, add Permatex Radiator and Water Pump Lubricant Permatex
No. 38M (Item# 80039).
Note: Since this product is concentrated, the solvent may uncover leaks previously
sealed by rust and scale. In the event this occurs, use Permatex Quick solder
Radiator Repair, Item# 12195, or ALUMASEAL Radiator Stop Leak, Item# 28179
or Item# 28181.
1Removes rust and scale from automotive engines, radiators and water jackets
2Cleans and unclogs steam cleaner coils and boiler s
3Not for use in aluminum radiators
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