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  #1  
Old 03-18-2001, 10:30 PM
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Join Date: Sep 1999
Location: Cremona, Alta, Canada
Posts: 263
Here is a problem I don't understand. My front crankshaft seal leaks only when the car sits. There is nothing when it is running, only when it is shut off. Can anyone explain this? The oil level is correct and anyway it would have to be really over full to reach the seal.
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82 300SD 110k
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92 Jetta TD
97 Cadillac Concours(300hp)
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  #2  
Old 03-18-2001, 11:57 PM
David C Klasse's Avatar
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How do you know for sure it's not leaking when you're driving also? I say this because how could you tell if it were leaking when you were driving, except for at slow speeds and then getting out to look?
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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
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  #3  
Old 03-19-2001, 10:08 AM
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Join Date: Sep 1999
Location: Cremona, Alta, Canada
Posts: 263
After it has sat and leaked I wipe everything dry. I make sure it is dry before I drive it then I check after I have stopped. It is always dry after a run. Nothing shows up under the seal for several hours.
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Mark
82 300SD 110k
91 Caprice SS
92 Jetta TD
97 Cadillac Concours(300hp)
84 Celebrity 4.3L diesel
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  #4  
Old 03-19-2001, 12:21 PM
David C Klasse's Avatar
CheFrac is Back!
 
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
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Ohhh ok, I see. Well I guess you've got it covered. I wish I could help you out!
__________________
2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #5  
Old 03-19-2001, 12:41 PM
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'94 S500: only 793 sold!
 
Join Date: Mar 2001
Location: San Diego, CA
Posts: 1,925
Me, Too!

Mark,

had the exact same problem with my '94 E320 Cpe shown below. Thought I was crazy!

I'd clean it off and drive the car. No leak. After sitting a few days, I see a seepage of oil from the front cranksaft seal. It wasn't alot but would run down the front of the pan and collect on the drip shield.

By the way, this was AFTER the seal was replaced. Was ok for about a year or so. Then it started to leak again.

I been told since that the inline six cyclinder 3.0, 3.2 engines did that alot.
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  #6  
Old 03-19-2001, 02:27 PM
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Join Date: Sep 1999
Location: Cremona, Alta, Canada
Posts: 263
Well it is nice to know I am only partly crazy
It is not alot. I changed the pan gasket thinking that was all of the leakage, and was surprised to see more.
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97 Cadillac Concours(300hp)
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