No, you must first drain and flush the entire cooling system, including the overflow tank and refill with water. All antifreeze must be removed from cooling system or clogging could occur.

Yes, it is compatible with ALL types and brands of antifreeze including conventional green or blue (Silicate-Based) and extended life red/orange or yellow (OAT/HOAT) coolant. Also works in systems containing only water. Systems that are dirty or partially clogged, a flush is recommended before use.

No, you must first drain and flush the entire cooling system, including the overflow tank and refill with water. All antifreeze must be removed from cooling system or clogging could occur.

This product is specifically designed to be directly added to the cooling system with out having to flush out the antifreeze.

The seal restorer additive restores seal size, flexibility and elasticity lost due to engine heat, age and high mileage. The seal polymer works by building a polymeric film around the rear main seal and also filling in any groove worn into the crankshaft by the seal.

Because of the Bar's Leaks 2X Action formula, the product has additives to work on any of the three types of rear main seal, no matter the material.

Gaskets eventually wear out. Some people get years out of them. Other people get months. I suppose it has to do with how much heat you allow to get to the gasket. Heat eventually makes the gasket hard and brittle. One way to ruin a gasket pretty quickly to is to have a flashback. What's a flashback? I'm glad you asked. Click here if you haven't read about flashback yet. Multiple flashbacks will certainly bring your gasket to an early demise.

Yes, Bar's Leaks is compatible with both conventional green (silicate-based) and extended life red/orange or yellow (OAT) antifreeze.

No. Unlike our cooling system product, Bar's Leaks Transmission Repair has no particles to plug the leak, it works chemically to stop leaks in gaskets and seals.

Engine Repair contains a combination of the best performance additives to repair the most common oil-related problems. Engine Repair restores lost compression and power, reduces noise and oil consumption, while improving the performance of worn cylinders, rings, bearings, and seals.

After time, transmission seals tend to dry out and shrink and internal parts become worn. Bar's Leaks Automatic Transmission Repair reduces rough shifting and friction, while eliminating slip, controlling temperature, and repairing shudder, chatter and whining. Premium high mileage formula restores transmission performance

Yes, this product is specifically designed to be directly added to the cooling system without having to flush out the antifreeze.

Yes, Bar's Leaks is compatible with both conventional green (silicate-based) and extended life red/orange or yellow (OAT) antifreeze.

Yes, tablets are compatible with both conventional green or blue (Silicate-Based) and extended life red/orange or yellow (OAT/HOAT) coolant. This includes brand names and types like Dex-Cool and GO5.

No. Unlike our cooling system product, Bar's Leaks Engine Repair has no particles to plug the leak, it works chemically to stop leaks in gaskets and seals.

Yes, you can use this product to help stop leaks in a manual transmission as long as it uses an automatic type transmission fluid. Use ? the bottle for most applications.