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How to Clean Your Car’s Engine:

A well-kept car looks great rolling down the street or sitting in your driveway, and you’d swear it even drives better. But if you want to take your ride all the way to beautiful, you also should to address the dirt and grime under the hood. Even though the engine bay is not exposed to the elements—at least not from above—debris and dust creep in from openings around the hood and the vehicle’s front end.Here’s how to clean your engine quickly and efficiently.


1.Remove any debris caught in the engine bay.
2.Protect the electrical system of the car.
3.Disconnect the battery.
4.Let the engine run for five minutes.
5. Degrease
6.Avoid getting any degreaser on painted components

8.Rinse the engine with a regular hose.
9.Wash the car.
10.Drying your car engine;

Step 1:

Remove any debris caught in the engine bay:

Try and remove any debris trapped in your grill, hood, or vent openings. If you have access to compressed air, the job is quick; if there is no easy access, not so much. All you need, though, is a small hand brush to do the job. Following debris removal, it is time for preparing the engine for getting wet

Step 2:

Protect the electrical system of the car:

Different components of the electrical system of the car including the battery needs to be properly covered to prevent any major damages by the water to such components.

Step 3:

Disconnect the battery:

Spraying water directly into your engine bay could cause some of the electrical components to arc, blowing fuses or causing other damage. Prevent this by loosening the bolt on the negative terminal on the battery and sliding the ground cable off of the terminal.
You may choose to disconnect the positive terminal as well to remove and clean the battery outside of the engine bay.
If you leave the battery in the vehicle, tuck the ground cable to the side to prevent it from coming into contact with the terminal.

Step 4:

Let the engine run for five minutes:

Grease on the engine will be much easier to remove when heated. Start the vehicle and allow it to run for five or so minutes. This will allow the engine to get to normal operating temperature and loosen any stuck on grime.
Don’t leave the engine running for too long, or you may burn yourself when you begin to clean again.

Step 5:


Thoroughly spray the entire engine compartment with degreaser. Any household degreaser will work, whether it’s a kitchen cleaner or a purpose-made engine degreaser. We’ve used Simple Green (we like its Eco-friendly formula). Don’t hold back—every square inch should be covered.

Step 6:

Avoid getting any degreaser on painted components:

Engine degreaser can remove clear coat from paint, so be careful not to over spray while covering the engine. If you do get any degreaser on the fenders or other painted areas, rinse it off quickly to avoid damaging the paint.
Degreaser can remove the shine from automotive paint.
Rinse degreaser off painted surfaces as quickly as possible.

Step 7:


Depending on how dirty your engine is, you may not need to scrub. However, some areas, like the valve cover, may have years of caked-on oil and dirt. A small brush with synthetic—not metallic—bristles will go a long way toward working the degreaser in and cleaning away the gunk. Add more degreaser if needed.

Step 8:

Rinse the engine with a regular hose:

Do not use a high pressure hose to rinse the engine, as it may disconnect wires or penetrate the plastic you used to cover electronics. A regular garden hose with the nozzle set to stream will rinse the engine effectively and remove most of the grime.[9]
If you rinse the engine completely and it still looks dirty, reapply the degreaser and allow it to sit for another few minutes.

Step 9:

Wash the car:

Once you have rinsed the engine off, you should begin washing your car immediately. This will ensure you clean any engine degreaser off of painted components before it has the chance to do any significant damage.
Be sure to use a different bucket, sponges, rags and towels on the body of the car.
Wax any areas of the car that may have come into contact with degreaser.

Step 10:

Drying your car engine:

The heat from your engine helps it dry quickly. Never let your engine air dry as it spots. Instead, after a few minutes of letting the engine dry itself, wipe it down with a clean microfiber towel.

Step 11:


Reinstall the negative terminal on the battery and remove the bags covering the electrical components.

Step 12:


The key to making this project simple is not letting your engine compartment get too dirty in the first place. A quick degreasing every year or two will help keep your engine looking clean with no more than an hour of work. Your ride’s engine may never look as sexy as the one above, but a gleaming engine bay is guaranteed to make you feel happy

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