How to Clean a Car Engine at Home

A clean engine is a happy engine. Not only will it look better, but it will also run more efficiently and last longer. Plus, it’s a great way to get to know your car better and learn how it works.

Materials

Engine cleaner
Degreaser
Rags
Bucket
Hose

Instructions

Park your car on a level surface and allow the engine to cool completely. This is important to avoid burns and damage to the engine.
Cover the battery and alternator with plastic bags. This will protect them from water and chemicals.
Apply engine cleaner to the engine. Follow the directions on the product label. Be sure to get all of the nooks and crannies.
Let the engine cleaner sit for a few minutes. This will give it time to work its magic.
Rinse the engine with water. Use a hose to rinse away the engine cleaner. Be sure to get all of the soap suds.
Apply degreaser to the engine. Degreaser will help to remove any remaining oil and grease. Follow the directions on the product label.
Let the degreaser sit for a few minutes. This will give it time to work its magic.
Rinse the engine with water. Use a hose to rinse away the degreaser. Be sure to get all of the soap suds.
Wipe down the engine with a rag. This will help to dry the engine and remove any remaining water or chemicals.
Start the engine and let it run for a few minutes. This will help to dry the engine completely.

Tips

If your engine is particularly dirty, you may need to repeat the cleaning process.
Be sure to wear gloves and eye protection when cleaning your engine.
Don’t use harsh chemicals or cleaners on your engine. This could damage the engine.
If you have any questions about cleaning your engine, consult your owner’s manual or a mechanic.