Replace the filler cap and run the engine for five to ten minutes to circulate the treatment. Drivers often notice increased oil consumption, minor leaks, and heightened friction long before major mechanical failure occurs.
STP High Mileage Oil Treatment Seal Conditioning Guide
Economic Analysis for the Savvy Driver. Identifying When Your Vehicle Needs Treatment Manufacturers typically recommend introducing a high mileage formula once an engine surpasses 75,000 to 100,000 miles.
Anti-Wear Agents: Create a protective layer on metal surfaces experiencing increased clearance due to wear, reducing friction. The primary active ingredient is usually a seal conditioner that swells brittle rubber components, restoring the pliability of valve stem seals and rear main seals.
H3 heading: How STP High Mileage Treatment Conditions Seals to Reduce Leaks
Key Additives and Their Function Seal Conditioners: Restore flexibility to hardened elastomers, reducing oil burn-off and external leaks. This action helps prevent oil from leaking into the combustion chamber and eliminates the blue-tinted exhaust that often signals seal failure.
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