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Metallic Block Seal
Permanently Repairs Larger Leaks in Radiators Intake Manifolds & Gaskets Heater Cores, Blocks, Heads & Freeze Plugs
Permanently Fixes Cooling System Leaks
Liquid penetrates large and small leaks in plastic, aluminum and cast iron intakes, heads, blocks and radiators.
Stop Leak Fibers
Fiber additives lock together with liquid to increase strength and promote a permanent seal in gasket leaks.
Use with All types of antifreeze including conventional green or blue (Silicate-based) and extended life red/orange or yellow (OAT/HOAT) coolant.
Seals larger leaks regular stop leaks won't. Use on cars, trucks, vans, SUV's and RV's. Will not harm the cooling system when used properly. One bottle treats systems up to 6 gallons.
For severe leaks, like a blown head gasket, it is recommended to use Bar's Leaks® Head Gasket Fix or Head Gasket & Cooling Sealant
- Permanent cooling system
- Intake & radiator
- Stop leak
- Antifreeze compatible
- Sodium silicate
- Liquid glass formula
- Pour directly into radiator
- No draining required
- Works with all types of antifreeze
P.O. Box 187,
Holly, MI, 48442.
Instructions: . Directions:. ➊ Allow engine to cool. Make sure engine is cool enough so radiator cap can be safely removed. ➋ Shake well. Pour Liquid Copper™ Block Seal directly into radiator. If using in a small cooling system, such as 4 cylinders with no air conditioning, install 1/2 of bottle. Tip: If you do not have access to your radiator, remove top hose where it connects to the top of the radiator and install product in hose. Reattach hose and tighten clamp. If you have a pressurized overflow tank, you can install in tank. ➌ Fill radiator and overflow tank to proper level and reinstall radiator cap. ➍ Turn heater on hot and fan on high. ➎ Start vehicle and idle engine for 5 minutes. ➏ Turn vehicle off and allow engine to cool. ➐ Top off radiator and leave Bar's Leaks® Liquid Copper™ in cooling system for continued protection. Drive vehicle as normal.
|Manufacturer Part Number
|Assembled Product Weight
|Assembled Product Dimensions (L x W x H)
7.40 x 2.60 x 2.60 Inches
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