Concrete mud

Submitted: Monday, Mar 27, 2006 at 17:24
ThreadID: 32221 Views:1564 Replies:4 FollowUps:2
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I've noticed in a few out of the way spots that my vehicle has a build up of mud that has dried to the consistency of concrete. I have tried using various cleaners to soften the buildup, all to no avail.

The vehicle is second hand as has obviously been off road in the north west, so the mud obviously originated there.

Is there some sort of solvent/trick that will loosen this stuff so it can be cleaned off or do I continue to have to go around and chip it off with a sharp stick (file), and risk damaging the paint work?

I'm sure that if I just leave it there its probably going to end up causing rust. Its mostly in obsure places that you dont get to look at until you get the vehicle home and start fiddling with it.
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Reply By: Member JD- Monday, Mar 27, 2006 at 18:15

Monday, Mar 27, 2006 at 18:15
Hi Surf,
If you dont live in a water restriction area,a sprinkler left under your car for a while will bring it off....return it to a solution and let gravity do its job.Hope this helps.
AnswerID: 163207

Follow Up By: bardenboy - Monday, Mar 27, 2006 at 19:50

Monday, Mar 27, 2006 at 19:50
Try CT18 Truck wash, its great stuff, you can buy it from Big W, Auto One, Super Cheap.

Spray it on, leave for an hour and hose off, It breaks down the dirt and works great.

Not recommended for the paint work but OK under the car,

Happy Cleaning

With a broken Prado
FollowupID: 417980

Reply By: Willem - Monday, Mar 27, 2006 at 19:59

Monday, Mar 27, 2006 at 19:59
Screwdriver and hammer after soaking it with a sprinkler.

Some mud, especially in outback Queensland, can discolour the duco on a vehicle if left too long.
AnswerID: 163257

Reply By: GaryInOz (Vic) - Monday, Mar 27, 2006 at 20:19

Monday, Mar 27, 2006 at 20:19
Masonary bit in a cordless drill. Goes slow enough that you won't get to you panels

AnswerID: 163273

Follow Up By: GaryInOz (Vic) - Tuesday, Mar 28, 2006 at 11:40

Tuesday, Mar 28, 2006 at 11:40
forgot to mention that that is for the underbody and inner wheel areas
FollowupID: 418156

Reply By: kingswoodwagon - Tuesday, Mar 28, 2006 at 00:21

Tuesday, Mar 28, 2006 at 00:21
I've had North West concrete mud on my dark blue paint job.
The local car detailer was able to remove all of it (small specks).
He told me he used a Fine Clay. Im sorry - but thats all i know.
Ive not been able to remove it from my galv boat trailer - i think its there for good.
Hope this helps.
AnswerID: 163342

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