How to Clean Engine Bay Without Water

Keeping your Engine Bay clean isn’t requisite to keep your Engine working in perfect condition but it’s suggested that you keep it clean at times.

And we all know that washing metals with water will likely rust in no time, so how do you clean your Engine Bay without water?

Notwithstanding, there are auto experts that know how to professionally clean their engines with water safely but inexperienced car users are advised to go for waterless cleaner.

In this article, I’ll show you how to Clean Engine Bay without water effectively.

How to Clean Engine Bay without Water

Since the dirt commonly found on engine bays is grease and oil, we’ll be using an engine cleaner and degreaser spray for the cleaning.

You’ll also need other equipment to make the cleaning damage free.

  • An Engine Cleaner & Degreaser – BUY ON AMAZON
  • Soft stiff brush (non-metallic)
  • Plastic Bags
  • A dry Towel
  • Tapes
  • A wet Towel
  • An Engine Protector Spray – BUY ON AMAZON

Now that you’ve got the above tools in your possession, let’s proceed with the washing process

  1. Make sure your vehicle is cool and can be worked on
  2. Lift your hood to reveal the Engine
  3. Now, cover and tape electric or fragile parts that are susceptible to damage, battery inclusive
  4. Proceed with applying the engine cleaner or degreaser making sure it covers dirty corners
  5. Leave the degreaser to work on the dirt for some time, let’s say 10 to 15 minutes
  6. Use the soft brush to manually brush out dirt and grime on the engine bay
  7. Next is to use a wet towel to clean
  8. Wipe the engine bay dry using a dry towel.
  9. You can now remove the plastic bags and tapes that were used to cover electrical components earlier on.
  10. You can now apply an engine protector to the engine bay to keep it smooth and combat friction.
  11. Finally, cover the hood and start your Engine.
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That’s all.


Is it OK to Wash the Engine Bay with Water?

If your car is an old model then I’ll advise desisting from using water to clean the engine due to the way they were built.

However, modern-day vehicles come equipped with weatherproof connections that make them immune to water to some extent.

So, it’s perfectly okay to wash your new model car’s Engine Bay with low-pressure water but to be on the safer side, utilize an engine degreaser.

Is it Safe to Pressure wash the Engine Bay?

No, using high-pressure water to wash the engine bay will force water to into seals or insulators covering the wiring and electrical component of the engine.


Engines require proper cleaning to avoid damages that may arise from the accumulation of dirt or grime causing obstruction to moving parts.

Also, it’s not advisable to wash your Engine Bay with water (except for modern-day vehicles) to prevent rust. Here’s a detailed guide on how to Clean your Engine using an engine degreaser.

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