Cleaning Mud off the engine by spraying water

[Arnusoriano]

Hi,
I went off roading yesterday at Big Bear, CA (had some much fun) at the end of the trail there was mud in it and i went through it and it was awesome. The only thing is that when i opened the hood, it was full of mud. Do you guys know if i can just get a hose and spray some water in it try to get that mud out the engine? Any recommendations? If i can spray water, do i need to cover some sensitive electric stuff? Should i be careful with certain components? Thanks in advance..

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[Neanderthalman]

Spray away.

I prefer to do it with the engine running so some spinning components are easier to hit.

I don't cover anything, but I also don't keep the spray on the fuseboxes and similar for very long. The rest won't matter. I also use a pressure washer and still no issues.

 

[TJ2018]

Hi,
I went off roading yesterday at Big Bear, CA (had some much fun) at the end of the trail there was mud in it and i went through it and it was awesome. The only thing is that when i opened the hood, it was full of mud. Do you guys know if i can just get a hose and spray some water in it try to get that mud out the engine? Any recommendations? If i can spray water, do i need to cover some sensitive electric stuff? Should i be careful with certain components? Thanks in advance..

Ha! Same here. Big bear. Mud. Dirt in engine. Was just searching the threads for engine cleaning recommendations.

My problem is I'm now getting vibration from the engine cooling fan (when it's running at high speed in "jet engine sound" mode). Think there's some mud on the fan blades... gotta make sure it's clean enough to a) get any mud off the fan blades or b) get the engine clean enough so that my local Jeep dealer doesn't say not covered by warranty due to 'mis-use'.

 

[multicam]

Back in the day I would use a solution of Simple Green and water on the engine of my YJ to help get rid of the gunk. I’d also cover my PCM, fuse box and battery with a plastic bag (only if engine was cool) for the more thorough spray-downs. When the engine was hot I wouldn’t cover those things, I’d just be careful to not spray them directly.

 

[Arterius2]

wouldn’t you risk shorting out the batteries?

 

[mwilk012]

wouldn’t you risk shorting out the batteries?

Sure, if you spray them directly with a ton of water. Don't do that.

 

[Dagwood]

wouldn’t you risk shorting out the batteries?

No, water is not conductive .

 

[Arterius2]

No, water is not conductive .

Water+Mud that you were cleaning off?

 

[Snayte]

Ha! Same here. Big bear. Mud. Dirt in engine. Was just searching the threads for engine cleaning recommendations.

My problem is I'm now getting vibration from the engine cooling fan (when it's running at high speed in "jet engine sound" mode). Think there's some mud on the fan blades... gotta make sure it's clean enough to a) get any mud off the fan blades or b) get the engine clean enough so that my local Jeep dealer doesn't say not covered by warranty due to 'mis-use'.

Looks like you got a black eye.

 

[Dagwood]

Water+Mud that you were cleaning off?

Not a conductor of electricity.

 

[Arterius2]

Not a conductor of electricity.

OK well, that's good to know because I've been holding off from rinsing my engine bay top down because I'm afraid of shorting out random circuits.

 

[mwilk012]

Not a conductor of electricity.

Are you high?

 

[Dagwood]

OK well, that's good to know because I've been holding off from rinsing my engine bay top down because I'm afraid of shorting out random circuits.

Still a good idea to keep water off electronic stuff for corrosion

 

[mwilk012]

Water creates a shock hazard because it is so non conductive

What on earth are you talking about?

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