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Old 06-08-2009, 10:29 AM   #1 (permalink)
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Date registered: Apr 2009
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Question ML320 Engine Cover

I have a ML320. I was able to change the oil and replace the seals on the oil filter, saving the US$100 from the shop.

My owners manual does not clearly describe where the power steering fluid goes in at. I think it is the black knob at the front which is partially blocked by the engine cover.

Now, I've been trying to get this black plastic engine cover off the top, but I can't fine where or how it is released.

pls help.
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Old 06-08-2009, 10:43 AM   #2 (permalink)
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It lifts up from the front and unsnaps. Quite easy to remove.
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Old 06-08-2009, 10:50 AM   #3 (permalink)
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Just Pull it

OK. cmitch. So I guess that I just grab the front of it and pull it up?

Have you ever done any engine cleaning?

thnx
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Old 06-08-2009, 11:26 AM   #4 (permalink)
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Best to do engine cleaning with the cover up/off, but with engine running so you can back off if the water starts givings you misfires. With a high pressure car wash wand, with high pressure water should clean up zip-sip, get the area behind the power steering reservoir so that later you can check if the seepage there is from oil fills dripping down from the oil fill cap, or if you have seepage from a leaking o-ring on the power steering reservoir.
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Old 06-08-2009, 12:45 PM   #5 (permalink)
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I, personally, wouldn't spray water on the engine unless I covered the alternator first.
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Old 06-08-2009, 02:17 PM   #6 (permalink)
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Lightbulb Spark plugs too

OK. speaking of covering the alternator, I guess you would also cover the spark plugs too, huh?

And can anyone verify which cap is the power steering. I know the brake reservoir is the one in back because it has writing on it.

thnx for all help.
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Old 06-08-2009, 03:16 PM   #7 (permalink)
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Quote:
Originally Posted by kbhowmed View Post
OK. speaking of covering the alternator, I guess you would also cover the spark plugs too, huh?

And can anyone verify which cap is the power steering. I know the brake reservoir is the one in back because it has writing on it.

thnx for all help.
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Old 06-11-2009, 05:34 PM   #8 (permalink)
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Talking great pic

cmitch,
I got to give much kudos for that great pic. That made all the suggestions practical.

thnx.
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Old 06-11-2009, 06:55 PM   #9 (permalink)
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Quote:
Originally Posted by cmitch View Post
I, personally, wouldn't spray water on the engine unless I covered the alternator first.
Yes, I forgot to mention that though I don't cover the alternator, I don't douse it with H2O, I do rinse the alternator out. I have done this for all my Nissans, my E, the MLs, my Bimmer and even my VW and none of them have died yet. The Nissans, I can start right away with no issues. The Germans, I usually wait a while, but not tens of minutes. So far I have had no issues at all. The key is not to use high pressure because that may penetrate the seals on the plugs and that would result in issues.
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Old 06-11-2009, 06:59 PM   #10 (permalink)
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Originally Posted by fabbrisd1 View Post
Best to do engine cleaning with the cover up/off, but with engine running so you can back off if the water starts givings you misfires. With a high pressure car wash wand, with high pressure water should clean up zip-sip, get the area behind the power steering reservoir so that later you can check if the seepage there is from oil fills dripping down from the oil fill cap, or if you have seepage from a leaking o-ring on the power steering reservoir.
You may be right, but I have never done it with motor running - messy anyway. I usually do it with motor off and cold and not high pressure. The one time I tried HP on my E, I had problems - the cooling fan shorted out and stayed on until MB roadside advised me on what to do. I still say use some kind of non corrosive degreaser and, stay with low pressure and motor off.

Last edited by Darkmann; 06-11-2009 at 07:08 PM.
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