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Old 01-23-2013, 12:01 AM   #1
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Cleaning dried mud from under the hood

How should I go about cleaning dried mud from under my hood?

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Old 01-23-2013, 12:11 AM   #2
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Seriously? Start with a hose...

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Old 01-23-2013, 12:20 AM   #3
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Seriously? Start with a hose...
There is no need for sass. The dude is just looking for some help!

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How should I go about cleaning dried mud from under my hood?
For one, that's impressive you got Mud all the way to the underside of your hood!

For two, just lift your hood all the way up and lean it onto the top of your windshield. Then, yes, just Spray it down with a hose. If you're worried about getting your engine messed up from the water then just put some thick towels over the engine compartment or some cardboard.

Good luck!
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Old 01-23-2013, 12:58 AM   #4
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Pretty sure he's talking about motor and all since he got mud on the hood it traveled over and on the engine lol I'm wondering right now also
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Old 01-23-2013, 02:41 AM   #5
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Haven't tried it yet but Gunk just made a new product specifically for this. Spray under hood, engine and all, let sit for 10-15 min. Take a hose with regular trigger style sprayer and go to town. Looks like it works well. Check it out on there website or YouTube. Sorry don't have a link.
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Old 01-23-2013, 10:17 AM   #6
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Think they sell it at auto zone?
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Old 01-23-2013, 10:26 AM   #7
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I have also wondered about this. Does anything on the engine need to be covered? I know on older cars I have owned we had to cover the distributer. Should the coil rail be covered along with the fuze boxes?
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Old 01-23-2013, 10:29 AM   #8
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Obviously have the Jeep off. The only thing you need to cover is the air intake. Rubber band a ziplock bag over it and you'll be good.
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Old 01-23-2013, 10:42 AM   #9
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I would also put a bag over the TPS senor. They are pretty sensitive.
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Old 01-23-2013, 10:43 AM   #10
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I would also put a bag over the TPS senor. They are pretty sensitive.
Where is that under the hood?
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Old 01-23-2013, 11:05 AM   #11
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Originally Posted by IWANNAOFFROAD

Where is that under the hood?
On the aft side of the throttle body
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Old 01-23-2013, 11:08 AM   #12
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You might want to protect the ECU also
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Old 01-23-2013, 11:15 AM   #13
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Please do not wash the engine when it is at all warm or hot! Stay away from pressure washers, and stay away from anything that looks like an electrical connector or computer. You can crack things if you wash it hot.
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Old 01-23-2013, 12:59 PM   #14
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Obviously have the Jeep off. The only thing you need to cover is the air intake. Rubber band a ziplock bag over it and you'll be good.
Incorrect. A mechanic told me to leave the Jeep running while you do it. He's seen too many times when people turn it off and then it won't start.
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Old 01-23-2013, 01:10 PM   #15
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Ughh... I'll say it again. Seriously?
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Old 01-23-2013, 06:45 PM   #16
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Seriously? Start with a hose...
I was referring to the motor....
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Old 01-23-2013, 08:04 PM   #17
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I was referring to the motor....
Yep, I assumed so. Start with a hose....

Have you ever opened your hood right after driving in a rain storm? Have you ever looked under the hood right after a nice water crossing or water hole?

If you did, then you would see that most everything under there is wet.

Start with a hose. Soak all the mud. Keep coming back and wetting it more every 10 minutes or so. After a couple soaks, most of the mud will fall away. Wash the rest down with a soapy rag and rinse again.

Don't shoot strong streams of water into any obviously bad places (intake tract, electronics, etc...) and you should be fine.

Right after you finish, fire up the jeep and go for a ride to heat and dry everything out.
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Old 01-23-2013, 11:35 PM   #18
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Incorrect. A mechanic told me to leave the Jeep running while you do it. He's seen too many times when people turn it off and then it won't start.
Have you ever tried to wash an engine with it running? The fan will spray water all over, and you'll get soaked. Not to mention, if any water does get into any electrical connections, it'll be far better if nothing is energized.
The only reason an engine will die and not start due to water is usually on vehicles with a distributor. Water gets in the cap and temporarily shorts the secondary ignition.
A mechanic told me to do it with the engine off, and start it right after you're done to heat up/ dry it off. He's been washing engines for over 25 years.
That mechanic would be me.

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