Is it okay to clean the engine of a 2005 Jaguar xj vanden plas?

 

Hi Thegaff1,

Welcome to the Jaguar Forums! It's great to have you with us.

There's no simple answer to your question because it is certainly possible to clean your engine in such a way as to potentially cause immediate and/or future damage. For example, if you flushed it with water using a garden hose. Not a good idea given how many electrical connectors, ground points and sensitive sensors there are in the engine bay, including the Engine Control Module (ECM), which is under the cabin air microfilter housing.

But if you just want to improve the appearance of the engine, there's no problem wiping away dirt and grease with a soft cloth or nylon-bristle brush dampened in a mild solvent like naptha, mineral spirits or denatured alcohol. The engine cover and intake air pipe can be removed to make cleaning easier.

I finish by applying a good plastic protectant to restore the black color and sheen. I've used a number of the spray-on wipe-off products like Meguiar's Natural Shine, but a current favorite is Chemical Guys Silk Shine Dressing, which you can just wipe on and let dry without having to wipe it off.

If you need to clean the engine for reasons other than appearance, please let us know.

Also, please visit the New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum and post a required introduction so we can learn something about you and your Jag and give you a proper welcome.

Cheers,

Don