Engine Washes — The Hidden Dangers and Why Caution is Key

Let’s talk about something that sounds simple but can get complicated fast: engine washes.

At The Detailing Company, we’re all about clean cars — inside, outside, and under the bonnet. There’s something incredibly satisfying about seeing an engine bay that looks brand new again. But when it comes to washing engines, there are a few important things every car owner needs to know.

The Unpredictable Nature of Water

Water is, by nature, unpredictable. It doesn’t always go where we want it to — it finds its own path, and unfortunately, that can sometimes lead straight into sensitive electrical components.

Even though our team takes the utmost care to protect your vehicle, sealing and covering all known electrical points before we begin, there’s always a small degree of risk. That’s simply the reality of mixing modern engines with water.

What We Do to Protect Your Vehicle

When performing an engine wash, we:

Carefully seal electrical points and sensors.

Avoid direct high-pressure contact with vulnerable areas.

Use specialised cleaning products and methods designed for automotive use.

Conduct a visual inspection before and after cleaning.

Despite these precautions, water can sometimes find its way where it shouldn’t — and that’s when problems may arise.

Our Insurance and Indemnity Policy

Because of the unpredictable nature of water, all engine washes are carried out at the owner’s risk. While The Detailing Company carries insurance for these types of incidents, our insurers may repudiate a claim unless gross negligence can be proven.

That’s why we’re transparent about this process. On your sign-in form, you’ll find a detailed indemnity section outlining these risks. We’ve also introduced a new Engine Wash Indemnity Questionnaire, which must be filled in and signed before any engine wash is carried out. This ensures that every customer fully understands the potential risks involved.

Before You Book an Engine Wash

If your car currently has warning lights illuminated on the dashboard, or if you know of any loose or exposed wiring, please do not book an engine wash.
Instead, we strongly recommend that you first have your vehicle checked by a qualified RMI-approved mechanic.

Fortunately, we have one right nearby — MDB Auto, located at the MDB Filling Station. They can assist with diagnostics, electrical repairs, and make sure your car is safe for an engine wash.

Alternatives to a Full Water Wash

If your engine bay looks grimy but you’re worried about water exposure, ask us for a chemical clean instead. This method uses minimal moisture and specialised cleaning agents to safely remove dirt and grease without the risks associated with high-pressure water.

In Summary

We love a clean engine bay as much as you do, but safety always comes first.
Here’s what to remember:

Engine washes carry inherent risks due to water unpredictability.

Always disclose any existing electrical issues before we start.

If in doubt, ask for a chemical clean instead.

Read and sign our indemnity form before proceeding.

At The Detailing Company, we pride ourselves on professionalism, transparency, and care. Our goal is to keep your vehicle looking its best — without compromising on safety or honesty.