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I need help with a oil leak

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Old 07-29-2010, 10:03 AM
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For those remotely interested, here is a picture of the switch. You can see how the old one is leaking out of the connector. Since the connector has a weather tight seal the oil will run out through the wiring, making diagnosing a possible pain. In this case the oil came out at a wire junction just over the a/c belt spraying oil everywhere to confuse things more.

I need help with a oil leak-oil-presure-switch.jpg

And as for using foil as a diagnostic tool I've used it before at the dealer without a problem. Foil will easily tear up if caught in the fan or belts. As you can see in the pictures I did use some tape in some areas where the foil would not mount securely. I'm actually more afraid of the tape as it is stronger and any loose ends can drag what it is attached to into the fan or belts.
Old 07-29-2010, 04:37 PM
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Glad everything worked out. Nice to see E60 DIY'ers.
Old 07-29-2010, 04:56 PM
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I'm of no help since I don't have a V8 I do admire your tenacity. Good job! Thanks for sharing.
Old 07-29-2010, 04:59 PM
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So, which way was easier for you to get to the oil pressure switch to pull it out? From the top after removing the vacuum pump brace or through the bottom? I think I might have this exact problem. I thought it was the vacuum pump at first but it's not. I cleaned it thoroughly and there's no evidence of it leaking. I do see a dark gunked up area underneath the pump though. I am going to take care of this on Saturday. Which Kragen did you call? I will see if the dealer stocks it too. I LOVE this forum!!!
Old 04-07-2011, 10:24 AM
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had an oil leak....
checked VACUUM PUMP ..and the sensor.so it was my sensor...
and this morning i have successfully replaced it... it took me one hour.

i have a 545i
Attached Thumbnails I need help with a oil leak-2011-04-07-09.47.54.jpg   I need help with a oil leak-2011-04-07-09.50.32.jpg   I need help with a oil leak-2011-04-07-09.50.45.jpg   I need help with a oil leak-2011-04-07-09.50.55.jpg  
Old 04-07-2011, 03:40 PM
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On a '06 530i (N52, E60) the oil pressure switch is located right next to the oil filter cover - very easily accessible.
Old 04-07-2011, 04:35 PM
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all i can say .... LUCKY U GUYS who have 530's
Old 04-07-2011, 04:51 PM
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more pics with some explanations
Attached Thumbnails I need help with a oil leak-2011-04-07-09.47.54.jpg   I need help with a oil leak-2011-04-07-09.50.32.jpg   I need help with a oil leak-2011-04-07-09.50.45.jpg   I need help with a oil leak-2011-04-07-09.50.55.jpg  
Old 04-07-2011, 10:52 PM
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It is very hard to see and a clear visual shot is hard. Here is a couple more pictures with the vacuum pump removed.

I need help with a oil leak-adsc06361.jpg


closer shot

I need help with a oil leak-a2dsc06361.jpg


But please be clear that the vacuum pump does not need to be removed to replace this part!
Old 04-08-2011, 01:59 AM
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yea absolutly right...
PUMP removal is not needed...

HEalthservices... where were u earlier... lol when i needed you


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