Changing the Crankshaft Seal in a Briggs and Stratton Engine

Once you see a leak of engine oil around your Briggs and Stratton engine crankshaft, it is usually an indication that the crankshaft seal has failed. The crankshaft seal is a vital component that keeps the oil inside the crankcase and dirt or grease out of the crankcase. The task of replacing it seems daunting at first, but once you have the proper tools, it is as easy as following a set of instructions that will have you successfully working on your engine again in no time.

Importance of the Crankshaft Seal

Crankshaft seals exist to prevent oil from leaking out of the engine and causing:

• Oil leaking → causes engine oil to run low, causing overheating and poor lubrication
• Dirt entering → and damaging the internal engine parts
• Engine failure → as a result of the friction and wear of the engine components

If a crankshaft seal is damaged, you will eventually suffer engine failure. Therefore, replacing one is important as part of your overall maintenance procedures.

You can find genuine crankshaft seals and other best-selling replacement parts in our store, along with expert support to ensure you get exactly what you need. Beyond just parts, we also offer professional services to help keep your equipment running smoothly and prevent costly breakdowns.

Tools and Materials Required

Before beginning, please obtain:

1. New crankshaft seal (genuine Briggs and Stratton recommended).
2. Wrenches and a socket set.
3. Flathead screwdriver or seal puller.
4. Rubber mallet.
5. Seal driver (or a washer or socket similar to the size of the new seal).
6. Engine oil.
7. Rags to wipe up new oil.
8. Safety gloves and safety glasses.

Step-by-Step Guide: Replacing Crankshaft Seal on Briggs and Stratton Engine

Advice for Getting Your Replacement Right</3>

Always use the OEM Briggs and Stratton crankshaft seals; they have the best fit and durability. As you take the various components apart, take pictures; this will assist you in re-assembly. If the crankshaft itself is showing any grooves, scoring, or wear, then we suggest the crankshaft seal repair sleeve be used before installing the new seal.

Common Questions on Replacing a Briggs and Stratton Crankshaft Seal

Q: How do I know that my crankshaft seal is bad?

A: Oil leaks around the crankshaft area, low oil, and excessive dirt buildup stuck to oily spots are signs of bad crankshaft seals.

Q: How long does a new seal last?

A: A crankshaft can last a few years with regular maintenance, usually the life of the engine.

Q: Can I run the engine with a crankshaft seal leak?

A: It is not advised as it can cause oil starvation, overheating, and eventual engine failure.

Where to Purchase Briggs and Stratton Replacement Parts

When you're ready to replace a crankshaft seal or any engine part, purchasing real parts matters. In our store, you will find genuine Briggs and Stratton crankshaft seals, engine gaskets, carburetors, filters, etc., essentially everything you need to keep your mower or small engine running like it did with new parts. You will also have peace of mind that you have received legitimate factory parts.

Conclusion

Knowing how to replace a crankshaft seal on a Briggs and Stratton engine is a useful skill that could save you money and extend the life of your equipment. As you can tell, with a few tools, simple steps, and legitimate replacement parts in place, the repair is simple and very effective. Don't let a little oil leak turn into a full breakdown. Replace that seal today and keep your engine working hard like it should, season after season.