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Old 05-30-2011, 09:10 PM   #1
STOBURU
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Default How to wash the engine bay on a 2011 WRX?

I have recently bought a 2011 WRX in Dark Gray Metallic. Today, after a hand wash, I noticed the engine bay has gotten pretty dusty. To prevent it from getting any worse, I was hoping to wash it out with a power washing or a regular hose or anything of that type.....? Can you spray water in the engine bay or will it fry some of the electronics? What are the correct techniques needed?

Thanks in advance!
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Old 05-30-2011, 09:47 PM   #2
aberg12012
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Well, that's what I do. But honestly I don't think it's advised. Such high pressure water can find itself in all sorts of places it shouldn't. If you do, use extreme caution and common sense. I diligently blow everything dry afterwords with an air compressor to make sure water isn't left in small places like electrical connectors and etc.

Obviously the engine compartment gets wet in the rain too, but keep in mind 1800 (or more) psi of water pressure is a bit different than driving in the rain.
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Old 05-30-2011, 09:50 PM   #3
veener79
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Old 05-30-2011, 09:54 PM   #4
rage-wrx
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I just cover the alternator & battery, spray some engine cleaner & hose down the engine bay.I wait for a while & the wipe away as much as I can.
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Old 05-30-2011, 10:10 PM   #5
aberg12012
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Also, here's a thread just like yours on page one of this forum... (it's ok, I forget to search too! lol)

http://forums.nasioc.com/forums/show....php?t=2171757
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Old 05-30-2011, 11:55 PM   #6
Bluefoton
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now with a HID retrofit

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I do the same after each winter. Spray, foam, wait, flush.

If only I put so much attention to it when it's only "dusty" though...ah the butterflies of having a new car
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Old 05-31-2011, 05:49 PM   #7
alvlee01
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I work at a dealership and I asked the detailing supervisor who used to detail cars for Mercedes and BMW and he said that intercooler or not the best way to clean out the engine and engine bay in his experience was to use the same pressure washer they use on cars with the de-ionized water filter, and with the motor on, spray all around until you get all the dust and dirty out and all the wiring should be protected unless they have bad insulation. He said there is no need to cover any of the electrical components as it would have the same affect as if you were driving in the rain. That's exactly how he's done it for the past 15 years and continues to do soto make cars and their engine bays showroom quality. That's just the 2 cents that he gave me so I thought I'd pass that along since there were some concerns regarding spraying with all the electrical components.
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Old 06-04-2011, 04:01 AM   #8
pet3r
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Ya, just spray the engine bay, add a cleaner (like simply green), let it sit 10-15 and then rinse it off. Works great.

If you have a water based dressing, you can spray the bay down too for a good shine!
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Old 06-04-2011, 06:43 PM   #9
XanRules
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Spray on Simple Green Aircraft (Boeing Spec whatever, it's non-corrosive).
Wait.
Brush.
Rinse.
Done.

Rocket Surgery, this is not.
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Old 06-04-2011, 10:21 PM   #10
rgriffey
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and once u clean it good, keep it clean by wiping it out at least once a month....that way, it wont get that dirty again
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Old 06-05-2011, 03:41 AM   #11
jxkim
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Quote:
Originally Posted by XanRules View Post
Rocket Surgery, this is not.
...
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Old 06-05-2011, 01:26 PM   #12
whatisit
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IMO, you still should put a plastic bag over the alternator. water and electronics dont go well together!!
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Old 06-05-2011, 09:39 PM   #13
The Duke
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Lightly Spritz with water/low pressure.
Apply soap/cleaner, agitate with brush.
Wash off
Profit.

No need to cover anything under your hood. Your car runs fine in rain and even then, if you're worried just wipe most of the excess water off with towels before you start the car.
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Old 06-05-2011, 10:52 PM   #14
Amazing Asian
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Just throw your hose nozzle on shower, not "jet" or full stream etc and your set!
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