Why You Need an Oil Seal for Crankshaft

The crankshaft oil seal is an essential component in any vehicle's engine system. It primarily serves to seal the crankshaft to keep oil from leaking. This seal is strategically placed where the crankshaft exits the engine block, maintaining a barrier between the internal oil and external contaminants. It is necessary to prevent oil leakage, which ensures the engine stays lubricated, significantly enhancing performance and extending engine life.

How the Crankshaft Oil Seal Works

The oil seal operates by fitting snugly around the crankshaft. Made from durable rubber or silicone, it's designed to flex and maintain a tight seal, accommodating the rotating movement of the shaft. This ensures that oil is confined within the engine, while dirt, dust, and other external particles are kept at bay. The seal also helps maintain appropriate oil pressure within the engine, contributing to optimal operating conditions.

Consequences of a Broken Oil Seal

When the crankshaft oil seal fails, it can lead to serious engine problems. A broken seal will allow oil to leak, which can result in a loss of lubrication. Without proper lubrication, engine components can grind against each other, causing excessive wear and potentially leading to costly repairs or engine failure. In addition to oil leaks, a broken seal may allow contaminants into the engine, further compromising its performance and durability.

Compatible Car Models

• Outlander
• Pajero Sport
• Nativa/Paj Sport
• Pajero/Montero Sport
• Montero Sport