- Prestone Radiator Sealer
- Automotive radiator sealer
- Quickly seals large leaks in radiators, heater cores, and water pumps
- Patented formulation provides strong and durable seal
- Quality since 1927
In-Package Dimensions: 2.77 Inches x 5.731 Inches x 1.918 Inches
Warning: May cause eye and skin irritation. Read carefully other cautions on back panel. Never remove a hot radiator cap. Keep out of the reach of children. Contains Bentonite Clay (1302-78-9); Magnesium Aluminum Silicate (8031-18-3). Precautionary Measures: Avoid contact with eyes and skin or inhalation of mist. Do not ingest. If in eyes: Flush eyes under a steady stream of water for at least 15 minutes. If on skin: Remove contaminated clothing and wash the affected area with soap and water. If inhaled: Remove to fresh air if symptoms occur. Seek immediate medical attention if ingested or if irritation occurs or persists.
Usage Instructions: 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 engine at 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 level frequently, top off as necessary.