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Car Wash - Underside to remove winter salt


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11 replies to this topic

#1 OFFLINE   AudenHoggart

AudenHoggart

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  • LocationSt. Louis
  • Current Vehicle:C-Max SE

Posted 07 March 2013 - 09:54 AM

I've had our C Max for about a month and need to go to a car wash to get rid of winter salt accumulations.  I was wondering whether to get a wash that incudes the underside.  I have typically done this at the end of the winter on all my cars.

 

The owner's manual, which only has instructions for washing the car yourself as far as I can see, does mention washing the underside.  The service manager at the dealership where I bought the car, however, says he never recommends washing the underside of any car because of various sensors that might be affected.

 

I wonder whether this issue is any different for hybrids.  Any insights?

 

Thanks!









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#2 OFFLINE   TurtleMax

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Posted 07 March 2013 - 10:05 AM

Wash the underside. I always do it at the end of the winter too. If there are sensors in the underside that's prone to water damage then you'll be in trouble when it rains.


  • SOMD likes this

#3 OFFLINE   Adair

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Posted 07 March 2013 - 11:04 AM

With all the road salt used around here in MI, I do the undercarriage wash after each snowfall that required salt on the roads.


Edited by Adair, 07 March 2013 - 12:01 PM.


#4 OFFLINE   RedLdr1

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Posted 07 March 2013 - 11:43 AM

I have all of our vehicles underside washed every time I have the car washed, which is around every three months, and have never had any problems.   If I do have a problem that means something wasn't sealed right to begin with...


Edited by RedLdr1, 07 March 2013 - 11:43 AM.


#5 OFFLINE   valkraider

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Posted 07 March 2013 - 12:06 PM

If you can't wash the underside than how can you drive in the rain?

:)

#6 OFFLINE   zhackwyatt

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Posted 07 March 2013 - 12:20 PM

If you can't wash the underside than how can you drive in the rain?

:)

The only explanation that I can think of is washing the underside is done with pressure, where as with rain, there is no pressure.



#7 OFFLINE   valkraider

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Posted 07 March 2013 - 12:22 PM

I am not sure you have ever driven in heavy enough rain then. ;)

At 55mph driving through rain filled ruts sprays water onto the floor of our vehicles hard enough to be felt through shoes... And we do that daily for months at a time.

:)

Edited by valkraider, 07 March 2013 - 12:24 PM.


#8 OFFLINE   zhackwyatt

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Posted 07 March 2013 - 02:03 PM

I am not sure you have ever driven in heavy enough rain then. ;)

At 55mph driving through rain filled ruts sprays water onto the floor of our vehicles hard enough to be felt through shoes... And we do that daily for months at a time.

:)

That's true.  I didn't say I agreed w/ him, just trying to find an explanation, lol.


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#9 OFFLINE   C-Maxgo

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Posted 21 March 2013 - 10:15 AM

Auddenhogart, I found this in the manual: "Underbody Flush the complete underside of your vehicle frequently. Keep body and door drain holes free from packed dirt." I'm not sure what they mean by flush. Do you think it could mean spray with a hose?

#10 OFFLINE   Tom

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Posted 06 February 2015 - 05:06 PM

I am going to wash the underside of my car tomorrow as the temperature will be above freezing.  I know that car wash places will do this as part of there service but, around here, car washes have to recycle their water.  I'm sure they filter it but still some salt must get through.

I have a lawn water sprinkler that I will attach to a garden hose and drag slowly from one end of the car to the other to do the under body wash.


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#11 OFFLINE   spyburn

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Posted 08 March 2015 - 10:46 AM

 

I have a lawn water sprinkler that I will attach to a garden hose and drag slowly from one end of the car to the other to do the under body wash.

 

Best DIY undercarriage wash EVER. :worship:  :gold_star:


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#12 OFFLINE   Adrian_L

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Posted 08 March 2015 - 08:01 PM

Why did I never think of that? Hooked up to a hot water tap would be even better!






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