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Old 02-14-2006, 02:39 PM   #1
Chris de la Cruz
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leaking oil (M20)

Checked the filter/ drain plug and its all dry. When I took a look at it and it looks like its coming from the oil pan seals and a line. My guess is to replace the seals but it sounds very expensive. My question is, Is there a line the oil is sent through that is just above the oil pan? I ask this b/c if was the seals wouldn't it leak all around? Not just on the one side (driver side)?

I'm at 170 000 kms now. I did an oil change about 2000 kms ago.
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Old 02-14-2006, 02:48 PM   #2
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oil pan part is easy to do man....
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Old 02-14-2006, 02:51 PM   #3
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i know that... but before i jump to that, I want to know if it could be a line that its leaking from?
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Old 02-14-2006, 03:06 PM   #4
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Quote:
Originally Posted by chrome
i know that... but before i jump to that, I want to know if it could be a line that its leaking from?

No lines on driver side...and pan gasket is not that easy, you gotta lift engine off the mounts...
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Old 02-14-2006, 03:15 PM   #5
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^^^ ok thanks... ****k sounds like a more serious problem then i thought
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Old 02-14-2006, 03:21 PM   #6
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Originally Posted by chrome
^^^ ok thanks... ****k sounds like a more serious problem then i thought
Altho you see it leaking from the bottom, the oil could be comming from the top, making its way down...So get some engine degreaser and wash the engine. Then trace where the leak is comming from. Oil pan gasket leaks are not too commun on these cars...
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Old 02-14-2006, 04:02 PM   #7
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Quote:
Originally Posted by Eurostyle
Oil pan gasket leaks are not too commun on these cars...
My oilpan gasket is leaking ever so slightly so is my rear main seal.

But the rear main seal is being taken care of next week, along with something else
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Old 02-14-2006, 04:27 PM   #8
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****ing right!!! hahah i'm not the only one! trev when will you have the bumpers ready for me

seriously,

Trev how bad is yours? might is very slight... but is very annoying having to wipe of those small spots of oil eer so often
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Old 02-14-2006, 04:34 PM   #9
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It seems like these cars leaked right from the factory..check the rear seal and the back of the valve cover.
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Old 02-14-2006, 09:24 PM   #10
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There are a couple of common sources of oil leaks on the M20, in addition to the usual shaft seals.

1. Oil Pan Gasket
2. Oil Filter Housing
3. Oil Pressure Sender

The last two of these are on the passenger side of the block and pretty cheap to fix. You can change the oil pan gasket without lifting the engine off it's mounts. But you have to unbolt the oil pump and oil pressure relief valve and remove them with the pan. You then have to reinstall them with the pan basically in position with only a few inches to get your hands in. You also have to unbolt the steering rack and shove is as far forward and to the left as you can to get the clearance needed to slide the pan out the front. I did mine this way, and it takes a little patience to get the oil pump lined up but you can do it. The only change I made to the following procedure was to disconnect the sway bar from the control arms to remove the lower cover, this enabled me to rotate the sway bar to free the cover. I did not disconnect the auto trans cooling lines.

http://www.bmwe30.net/cgi-bin/datacg...172&Section=08

Last edited by markh; 02-14-2006 at 09:41 PM.
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Old 02-14-2006, 09:52 PM   #11
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did u chk ur oil cooler lines?
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Old 02-14-2006, 10:35 PM   #12
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Chrome, the bumpers should be ready for you sometime next week.

Mine is not that bad, depending on how the 5spd swap goes i might also do the oil pan gasket, who knows.
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Old 02-15-2006, 08:04 AM   #13
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Quote:
Originally Posted by ZiMMie
did u chk ur oil cooler lines?
will do that once i degrease the engine.

Quote:
Originally Posted by markh
There are a couple of common sources of oil leaks on the M20, in addition to the usual shaft seals.

1. Oil Pan Gasket
2. Oil Filter Housing
3. Oil Pressure Sender
Thanks will check those out too!! that what i needed to know, To see if there are any other possible lines it can leak fun.
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