Question: What to use to remove mud from undercarriage? - Second Generation Nissan Xterra Forums (2005+)
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post #1 of 22 (permalink) Old 05-09-2011, 03:13 PM Thread Starter
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Question: What to use to remove mud from undercarriage?

Hi guys,

I'm wondering if those of you who have done mudding can share with me your secret to remove those stubborn mud from your undercarriage?
I sprayed it with pressure washer for 2 hours on Saturday and 2 hours on Sunday, but there seems to be mud in some places I can't get them all out.
I read some where that using Simple Green is a good way, thinking of buying that if there are no other alternative.
I like to keep it clear of mud to void rust.

What did you guys do? Any special chemical or technique?
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post #2 of 22 (permalink) Old 05-09-2011, 03:36 PM
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Avoid mud.

Seriously...it's the best defense against the stuff.

A few things I have found.

1. Simple green. I buy it by the gallon and put it in a spray bottle. I use it to clean just about everything. You can dilute it with water, but for mud, I usually use it straight up.

2. Lots of water. A pressure washer helps get the initial chunks of mud off. I usually go to the spray it off car washes and spend about $4.00 in quarters to knock the heavy stuff off. Spend another $.50 to spray down the bay when you are done. Then I go home with my simple green and my normal hose with two attachments. One is a a hose wand (something like this: http://www.tractorsupply.com/garden-...28-in--2130403). The other is a shower wand (something like this: http://www.tractorsupply.com/garden-...pliant-4457372).

It takes a lot of water and a lot of time and no matter what you do that mud will hide in places for years.

Again...mud is bad.
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post #3 of 22 (permalink) Old 05-09-2011, 03:50 PM Thread Starter
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Thanks again as always Muzikman.

I sprayed it sooo much but what I found is that even with all the big chunks of mud are gone and it seems to be clean but when the water dried up it starting to show the white clay-ie stain everywhere.
It's not the actual mud anymore but it's actually mud stain.
I will try out the Simple Green, but I pray I don't have to scrub.

You guys got it pretty cheap down in US for car washing... here you can't find any self car wash place take less than $1 and it only give me 1.5 minute. If I didn't have the pressure washer at home, I would probably have spent $150+ just for spraying all that water for 4 hours.

I am definitely staying out of mud from now on, but I need to get rid of these mud first. Nasty stuff.

EDIT: I think I found the stuff I need here

Last edited by Wasabi; 05-09-2011 at 04:03 PM.
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post #4 of 22 (permalink) Old 05-09-2011, 03:59 PM
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Just spray on the simple green and let it sit. If it starts to dry up, spray more on to keep it wet. I find it best to do this when it's not sunny (evening) as it keeps the simple green from drying.

If that doesn't work, you have some killer mud. My next suggestion would be Marine Clean, but it's much nastier to work with (it will burn your skin).
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post #5 of 22 (permalink) Old 05-09-2011, 04:06 PM Thread Starter
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I just edited my link above... are those the same stuff you referring to?
I think this stuff will definitely work. On the car body and paint is fine because I just use the brush in the car wash place to clean so now it's like new.

Yeah the Alberta mud is quite sticky and tough, must be from all that salt. LOL
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post #6 of 22 (permalink) Old 05-09-2011, 04:11 PM
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This is what I usually use.

http://www.canadiantire.ca/AST/brows....jsp?locale=en

I have never seen the stuff you linked.
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post #7 of 22 (permalink) Old 05-09-2011, 04:37 PM Thread Starter
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I have use the one you posted before but only for engine cleaning and it works great to remove grease and oil.
I figure for the tough job maybe the HD will be better It said on the label, remove grime and stains.
I hope it doesn't melt the paint off. lol

I will report back in a week. Thanks again.
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post #8 of 22 (permalink) Old 05-09-2011, 05:22 PM
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I haven't found Somethin that works good yet. My last wheelin trip was almost 2 months ago. I use the pressure washer at my work atleast once a week on my truck. I still have chunks of mud come from the undercarriage. I say the best method of removing mud is wait till winter. They salt the roads pretty heavy by me. My frame is usually mud free by spring time. But then I spend the summer puttin it back.

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post #9 of 22 (permalink) Old 05-09-2011, 06:32 PM Thread Starter
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^^ lol... seriously?
I was hoping to get them all off before the snow.
Do you get a lot of rust from all these mudding? I heard they cause rust.
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post #10 of 22 (permalink) Old 05-09-2011, 08:34 PM
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Quote:
Originally Posted by acasper708 View Post
I haven't found Somethin that works good yet. My last wheelin trip was almost 2 months ago. I use the pressure washer at my work atleast once a week on my truck. I still have chunks of mud come from the undercarriage. I say the best method of removing mud is wait till winter. They salt the roads pretty heavy by me. My frame is usually mud free by spring time. But then I spend the summer puttin it back.
Badlands mud is some nasty stuff, I haven't found a decent way to get it off.

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