11-25-2012, 02:48 PM | #3 |
Second Lieutenant
31
Rep 228
Posts |
You mean running a pressure washer through it?
If so, I remember reading that if the engine is cold: must be running If it's hot: off is OK... (or was it the other way around???) Cant remember exactly. Some of the more knowledgeable members will tell you (if that's what you're looking for) |
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11-25-2012, 04:32 PM | #5 |
Second Lieutenant
31
Rep 228
Posts |
on my old e90, I had cleaned the engine bay, (cant remember if it was running or not) with my pressure washer... For the soap, I used regular car wash diluted with water already connected to my pressure wash.
Once the foam was good enough, I ran water only until it was clean. |
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11-25-2012, 10:30 PM | #6 |
Private
14
Rep 91
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what every you do, do NOT clean it after the engine has been running and it is hot. It is best to clean it when its cold
Reason being is the cold water will rapidly cool the hot engine parts to quickly and this can cause things to crack. Happened to me with an alternator a couple years ago |
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11-26-2012, 09:23 AM | #7 |
Captain
44
Rep 821
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Cold Engine.
Cover electrical contacts that are exposed I use Optimum Power Clean Regular hose, fan spray - no pressure washer I finish the cover with Ultima tire and trim guard |
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