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Old 29th June 2007, 00:02   #31
whatheheck
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No affiliation whatsoever.

I'm an aerospace engineer.

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Originally Posted by Hawkwind View Post
Come on, admit it - you're the western region distributor for Scrubbing Bubbles!
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Old 29th June 2007, 00:10   #32
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So here you go, personal experience for me:

My HID ballasts quit working after I got it accidentally wet while cleaning my engine. Removed and replaced.

One of my stock HID bulbs burned out after I got that one wet too while cleaning my engine. Removed and replaced.

Lessons learned stuff for me worth sharing.

We can do a search here, some of the most challenging problems to diagnose were traced to moisture on the connectors thus creating an intermittent connection.

So, mine is only a recommendation and sharing my personal experience, and based on posts I've read here, I would play it safe and protect the connectors.

Here in Aerospace world, we use moisture proof / environmentally sealed connectors. I dont think that's the case in most cars, even BMW.

Quote:
Originally Posted by jjc1843 View Post
Even with all the connections getting wet, evaporation would take care of it pretty quick--a day or so if the car isn't able to run. Repeated soakings may cause corrosion.

They have an intermittent connection somewhere. The gauges are so heavily damped (meaning slow to respond) that instant hits full or to zero always means electrical problem.

An alternator cannot be damaged by basic water; not spray from a hose, and not permanently unless you decide to gatorade congratulate your alternator.
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Old 29th June 2007, 01:22   #33
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Pure water by itself is not a conductor of electricity. All the chemicals and impurities that are held in suspension are what conduct electricity. All you swimming pool owners already know this. I would not worry about shorting out any connections, unless they stay wet long enough to corrode. That would take a few weeks to occur.
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Old 29th June 2007, 01:48   #34
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Quote:
Originally Posted by German Pride 10 View Post
I am a professional detailer and this is how I do mine.

I do it with the engine warm. Warm compartments clean and degrease better I find. You do need to be selective as to where you spray things although I have never needed to cover an alternator once. I actually do this with the motor running so that if water by chance is getting into somewhere where it shouldn't be, you'll hear it.

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An alternator cannot be damaged by basic water; not spray from a hose, and not permanently

Sorry, but this is BS.

I was a pro detailer for years and we ALWAYS put bags over the alternators. Even on old Mercedes diesels, I would not recommend this method.

If water gets somewhere it shouldn't get you'll hear it?? Yeah, but its a bit too late then! Also, with a hot engine, water is about the worst thing you can use, as it leaves stains immediately. Using degreaser or the diluted whatever, and chances are big that the hot metal will sustain ugly spots you will not get off without a serious compound polish. Also, things like ignition leads etc will become brittle when putting cold water on them in hot state.

Sorry man, but I just can't have other board members try this. Seen too much stuff go wrong for letting this pass. Consider yourself lucky untill now, the amount of warning lights coming etc on cars that I have seen washed with water is endless...


Toothbrush and a can of degreaser for hard to reach places..You might wanna use a bit of auto-disappear wax ( yes, wax that disappears after use, no need for wiping off) to get things like cosmoline drips off.
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Old 29th June 2007, 02:57   #35
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..

My results with a pail of water and liquid car soap and lots rags. Only wet the rags and then squeezed out most of the excess...This was after a winters (4 months) worth of driving...not great, but not bad either.
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Old 29th June 2007, 04:48   #36
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I was not aware that the M5 engine compartment was hermetically sealed to all water.

The warnings about rinsing off the engine bay simply must be due to the fact that once the hood is closed no water can enter the compartment when driven at 90MPHG through 1" per hour rain storms....

Yeah, being a wiseask, but I'm just not getting it. How can it be OK to drive yet not OK to rinse? Does it really stay dry?
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Old 29th June 2007, 04:59   #37
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What a thread!...aerospace engineers and scrubbing bubbles! I'm cleaning my motor tomorrow. Should get my new Mezerna detailing kit too.
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Old 29th June 2007, 05:22   #38
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I never have a big issue with the engine area being dirty, I generally wipe it down with a damp towel then apply Adam's In & Out spray. (no, I don't sell it)
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Old 29th June 2007, 05:35   #39
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Maybe we can get a ' Rocket scientist ' to chime in too...
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Old 29th June 2007, 05:52   #40
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I don't think a 'what if' approach will get us very far. It looked like a put-down to me.
I don't have a clue what you're talking about.
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