Permatex Radiator Repair Stop Leak 30301

Note: If presence of rust, dirt, sludge is evident flush the system prior to using Permatex® Radiator Repair 1.Allow engine and cooling system to cool. Do not add liquids to a hot radiator. 2. Shake Permatex® Radiator Repair well and pour 8 ounces into the radiator and reservoir. 3. Ensure the radiator and reservoir tank are full and place the radiator cap back on. 4. Start the engine, turn on the heat/fan and let idle for 15 minutes. 5. Drive the vehicle for an additional 45 minutes. 6. Turn off the vehicle and let it cool and check for leaks. If leaking is still evident, use a second application of Permatex® Radiator Repair. 7. Mechanical repairs are necessary if leak persists.