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Oil Leak

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Old Jan 14, 2011 | 02:37 AM
  #1  
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2006 c230
Oil Leak

Hey everyone, i just noticed today that there is oil leak on my car. I looked underneath the car and the only place i see the oil is under the oil pan. It's not a major oil leak but still, so do you guys have any idea what's causing the leak? I did an oil change about 3 months ago and they used the mobile 1 0w-40. I was thinking that they might forgot to tighten the screw or something
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Old Jan 14, 2011 | 02:43 AM
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a quarter mile at a time
Most likely they re-used the copper crush washer on the drain plug instead of using a new one.
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Old Jan 14, 2011 | 02:57 AM
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a picture is worth 1,000 words.
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Old Jan 14, 2011 | 08:50 AM
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Yep, the picture would help, there are a couple of places it could leak. Mine started with the front crank seal leaking about 1K after a service. Completely unrelated, in my case and relatively inexpensive to fix.
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Old Jan 14, 2011 | 01:55 PM
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Originally Posted by samaritrey
a picture is worth 1,000 words.
I'll get under my car today after work and try to take some pictures
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Old Jan 15, 2011 | 03:51 AM
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ok i did my best and thats all i could came up with
Attached Thumbnails Oil Leak-mb-1.jpg   Oil Leak-mb-2.jpg   Oil Leak-mb-3.jpg  
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Old Jan 15, 2011 | 08:24 AM
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It's really hard to determine where that is. Did you remove the plastic underbody panel? If not, it's impossible to determine where the leak is coming from.
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Old Jan 15, 2011 | 10:23 AM
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^ +1.
Looks like the pictures were taken with out removing the plastic underbody panels.

Please re-take the pictures with those panels removed.
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Old Jan 15, 2011 | 11:07 AM
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^^^^Take of the plastic cover, clean the area, wait a few hours and see where the oil is coming from. I had a recent oil leak 2....the oil pan screw and the copper washer were the problem...Luckily i needed an oil change, so it was an easy fix.

Last edited by Ribo89; Jan 15, 2011 at 11:15 AM.
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Old Jan 16, 2011 | 03:32 AM
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My bad, there we go. i just took the cover out and here what i found
Attached Thumbnails Oil Leak-2011-01-15_22-59-59_794.jpg  
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Old Jan 16, 2011 | 04:40 AM
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Originally Posted by jerryml430
My bad, there we go. i just took the cover out and here what i found
Looks to be the copper crush washer. Like e1000 said, they probably reused the old one instead of replacing it like they should've. Get a new washer and torque to spec.
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Old Jan 16, 2011 | 05:03 AM
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Originally Posted by ND2020
Looks to be the copper crush washer. Like e1000 said, they probably reused the old one instead of replacing it like they should've. Get a new washer and torque to spec.
will do, thank you all for your help
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Old Jan 16, 2011 | 12:30 PM
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in the posted picture (above), I don't see the copper crush washer at all. My guess is that whoever did the oil change, they didn't even put the copper washer.
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Old Jan 16, 2011 | 02:29 PM
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Originally Posted by pcy
in the posted picture (above), I don't see the copper crush washer at all. My guess is that whoever did the oil change, they didn't even put the copper washer.
Good year place did the job, and they charged me $136. I'm not going there anymore
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Old Jan 16, 2011 | 02:46 PM
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a quarter mile at a time
Originally Posted by jerryml430
Good year place did the job, and they charged me $136. I'm not going there anymore
Do you know what kind of oil they used? Probably a good idea to stay away from thaty place.
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Old Jan 16, 2011 | 03:26 PM
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+1 That would make me really wonder what else they didn't do right. "Oh, this oil will be fine, it is close enough to what it calls for."
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Old Jan 16, 2011 | 04:14 PM
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Originally Posted by e1000
Do you know what kind of oil they used? Probably a good idea to stay away from thaty place.
I requested the mobile 1 0W-40, and I was looking at the paper work and it said that they used about 9 thing of mobile 1 0W-40 and they charge me about $10 for each

Last edited by jerryml430; Jan 16, 2011 at 04:29 PM.
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Old Jan 16, 2011 | 05:14 PM
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You will need to remove the drain bolt, put in a new crush washer and you will need to put the drain bolt back on. When you remove the drain bolt, all of the oil will come out - you will have to decide if you want to collect the oil in to a container and pour it back in to the engine OR pour new oil.

When the Goodyear folks changed the oil, what kind of oil filter did they use? paper media type or fleece material filter?
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Old Jan 16, 2011 | 05:15 PM
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By the way, you can buy a set (100) of assorted sizes copper washers from Harbor Freight for $4 or so.
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Old Jan 16, 2011 | 05:18 PM
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If possible you should do the oil change yourself.
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Old Jan 16, 2011 | 05:18 PM
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I would just replace all the oil just so you know that it was done right with the correct filter.
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Old Jan 16, 2011 | 05:44 PM
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I just did my oil change today.
How come mine does not have a washer, just the bolt itself.
Is it necessary to have it?
BTW I have 2005 C230.
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Old Jan 16, 2011 | 07:23 PM
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they all should have the 14 cent crush washer. and you have to replace it every time you do an oil changer or you will have problems. Heck when i did mine this way i replaced the bolt to because i could tell someone did not put it back on right way overtightened and rounded off some. rmeuropean has both for less then $2 lol
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Old Jan 16, 2011 | 07:46 PM
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Originally Posted by pcy
You will need to remove the drain bolt, put in a new crush washer and you will need to put the drain bolt back on. When you remove the drain bolt, all of the oil will come out - you will have to decide if you want to collect the oil in to a container and pour it back in to the engine OR pour new oil.

When the Goodyear folks changed the oil, what kind of oil filter did they use? paper media type or fleece material filter?
If i'm not mistaken they used fram fleece oil filter, it sucks that I have to waste the oil now. I barely got the oil change, its only 2 months. I'm thinking to check if dinan still doing the free oil change, since I live close to campbell
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Old Jan 16, 2011 | 08:08 PM
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don't waste it. bring it back to them and show it to them. They should be more than inclined to remedy it, and you won't have wasted 130 dollars.
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