Many users reported it successfully stopped or reduced their engine, valve cover, and differential leaks, though a few found it did not work for their specific leaks. Lucas oil stop leak has consistently performed well in my testing, particularly on older domestic vehicles I tested the lucas oil stop leak and was blown away by its effectiveness
Lucas oil stop leak is an oil additive designed to help seal minor leaks in your engine
It works by conditioning and swelling the seals within the engine, making them more pliable and able to create a tighter seal.
It reduces engine noise and oil consumption, while raising oil pressure and renews worn seals with no risk of damage or eventual corrosion. Lucas oil products 32 oz Engine oil stop leak is great for engines and transmissions, gearboxes and differentials using gear oil This is an all new hydraulic fluid formulation of lucas additives and very specific base stocks designed to stop seal leaks in engines
Hydraulic oil reduces engine noise and oil consumption, while raising oil pressure
