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#1
12-03-2005, 02:35 AM
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Ran her out of oil...doh!
I have read those threads before, always wondered how someone could be so careless...
Now it is my turn! My oil pressure guage went way low, I looked and she was out of oil. Wow. Added some and pressure came right back up. Now there is a new noise, like a sqeaking, almost like a altenator bearing going bad... Any thoughts on what that might be? Coincidence or did I do some damage to something? Almost seems like I have a little less power too, but maybe I am just being paranoid. Man, do I feel like an idiot... 
__________________
Think Alternative Energy!  300CD '80 (now gone but not forgotten...) 
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#2
12-03-2005, 03:01 AM
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How long did you travel with low oil pressure.
I imagined that the oil pressure dipped while you were coming to a stop? I know when mine gets really low it dips when I stop hard.  If this is what it was doing, most likely you are safe. Wheres the leak?
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#3
12-03-2005, 07:55 AM
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the sound
and less power dont sound good
sorry tom w
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#4
12-03-2005, 08:26 AM
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How much oil did you have to add to top it up?
Did the oil pressure gage go to zero, or to something else? Being a couple quarts low isn't going to hurt anything.
__________________
Thank You! Fred 2009 ML350 2004 SL600 2004 SL500 1996 SL600 2002 SLK32 2005 CLK320 cabrio 2003 ML350 1997 C280 Sport
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#5
12-03-2005, 01:45 PM
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Read my thread if you feel like you might have "hurt something" and to give you an idea of duration of safety
One of the better reasons to change your motor mounts (pics)
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#6
12-03-2005, 06:05 PM
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Quote:
Just a guess, low oil pressure for to long will wipe a bearing out though. Although usually the top end is damaged before the bottom end.
__________________
1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200
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#7
12-03-2005, 06:25 PM
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well yeah
it could be a cam bearing squealing. much easirer to fix than bottom end.
tom w
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual. [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#8
12-04-2005, 01:24 AM
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10 to 1 it's a rod bearing. I've seen the exact same thing before. There is a rod bearing that got too hot and tightened up. Running much more will snap that rod and put pieces in the oil pan. Consider the engine done for
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#9
12-04-2005, 01:27 AM
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Quote:
10:1 my 300SD should ahve been toast when I rolled into newberg with smoke coming from under the hood 4 miles after the oil cooler lines got wasted... but 10:1 it didn't miss a beat...could have drove it home the last 1/4 mile if I was more ballsy No problems 30k later...go figure. Squealing though...not a good sign...atleast investigate the whereabouts if you have the means
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#10
12-04-2005, 10:44 PM
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This noise has been observed on a 617 diesel, also run out of oil. By the time you heard the noise you'd likely have snapped a rod in a lesser engine. 617's are tough though.
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