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Homemade Underbody Wash

P71_CrownVic

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P71_CrownVic Senior Enthusiast

P71_CrownVic

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I was looking under my truck today to see how the running boards are attached (I want to remove them). I noticed that everything is just covered in dirt/gravel. It is caked in some spots. So, rather than pay $10 for a car wash that includes a underbody rinse, I was thinking of either making my own out of PVC pipe and the garden hose, OR just hooking up the hose to the oscillating sprinkler.

 

Question 1: Has anyone here made their own underbody wash system?

 

Question 2: Can anyone think of a reason why a person would NOT want to put an oscillating sprinkler under their truck and let it run for a while?

 

Question 3: Does anyone have any other recommendations as to go about removing this dirt/gravel?

Zembonez Senior Enthusiast

Zembonez

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Ive been using a oscillating sprinkler for years under the truck to wash the salt away just dont turn it up real high.

The automatic carwash I go to has a serious underbody high pressure wash when you drive in. It sprays high pressure water from rocker to rocker under the vehicle. I always drive through very slowly and it seems to keep the underside of my vehicles pretty clean. We don't have salt here but I've never had any ill effects from the high pressure after 7 years of using this wash weekly on all of my cars.

ajcain79 Enthusiast

ajcain79

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I use a sprinkler to clean the underbody of my lawnmower. Granted it's not a truck but it does a great job nonetheless.

peteking Enthusiast

peteking

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A sprinker such as that would work for the road salt build up, sure! I like that idea actually. You could make an underbody sprayer with some PVC.....but I imagine that an oscillating sprinker will have the same effect.

 

Though for the caked-on dirt and gravel (question 3)...I tend to use a pressure washer, or a standard hose spray nozzle with a high velocity stream. After winter, I throw on my greasy clothes, climb onto the creeper, roll under the Silvy, and spray every nook & cranny of the undercarriage. It might be overkill, but it works for me!

 

Good Luck!

P71_CrownVic Senior Enthusiast

P71_CrownVic

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Ive been using a oscillating sprinkler for years under the truck to wash the salt away just dont turn it up real high.

The automatic carwash I go to has a serious underbody high pressure wash when you drive in. It sprays high pressure water from rocker to rocker under the vehicle. I always drive through very slowly and it seems to keep the underside of my vehicles pretty clean. We don't have salt here but I've never had any ill effects from the high pressure after 7 years of using this wash weekly on all of my cars.

 

 

Yeah...I figured there would be nothing to worry about...except maybe the duration. I am going to take it to the car wash first and have it loosen everything up, then go home and finish up.

 

Wow...I never thought of using a sprinkler...that's a great idea! :sigh:

 

PM me and I will let you know where to send the check...

P71_CrownVic Senior Enthusiast

P71_CrownVic

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does the sprinkler really work all that well? I would have thought you'd need high pressure to get the caked on stuff off..

 

We shall see...

 

im going to build a really intricate contraption and post a build thread on here for everybody.

 

Like a 'Rube Goldberg' sort of thing?

takevin Senior Enthusiast

takevin

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Just have the wife or a friend lay on the ground in front with the hose upward and drive slowly over :sigh:

pennzoil29 Senior Enthusiast

pennzoil29

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im going to build a really intricate contraption and post a build thread on here for everybody.

 

This, I gotta see. :sigh:

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