How to Break In a Car Engine

Breaking in a new car engine is an important process that helps to ensure that the engine will last for many years to come. By following the steps below, you can help to break in your engine properly and avoid any problems down the road.

Step 1: Start the engine and let it idle for 10 minutes.

This will allow the oil to circulate and lubricate the engine.

Step 2: Drive the car for 10 minutes at a speed of 30-40 mph.

This will help to break in the piston rings and bearings.

Step 3: Drive the car for 10 minutes at a speed of 40-50 mph.

This will help to break in the camshaft and valves.

Step 4: Drive the car for 10 minutes at a speed of 50-60 mph.

This will help to break in the transmission and differential.

Step 5: Drive the car at varying speeds for the next 500 miles.

This will help to break in all of the engine components.

Step 6: Change the oil and filter after the first 500 miles.

This will help to remove any metal shavings that may have been created during the break-in process.

Step 7: Enjoy your new car!

By following these steps, you can help to break in your new car engine properly and avoid any problems down the road.

Additional Tips

Here are a few additional tips for breaking in a new car engine:

• Avoid high-performance driving during the break-in period.
• Be sure to check the oil level regularly and add oil as needed.
• Listen for any unusual noises and have them checked out by a mechanic if necessary.

By following these tips, you can help to ensure that your new car engine will last for many years to come.