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  #1  
Old 06-15-2004, 01:04 PM
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2.5 Turbo's Early Demise

I have a gorgeous (and very well taken care of) 91 300D 2.5 Turbo w/ 185k mi sitting in my yard w/ a seized engine that has oil and water in it.
Anyone have any ideas as to what happened to her? The oil doesn't even smell burnt, plenty of coolant, boost system was recently tested (9psi max @ 4500rpm), timing chain is still on...
I am at a loss for what the heck to point the finger at....

Damn shame too...

-M-
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Old 06-15-2004, 01:54 PM
123c
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The engine overheated somehow, and the aluminum head cracked, now the head is toast...
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Old 06-15-2004, 02:24 PM
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Maybe the head gasket blew? I don't know pull the head and take a look. The engine probably was run hot.
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Old 06-15-2004, 08:24 PM
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Re: 2.5 Turbo's Early Demise

Quote:
Originally posted by wdba123190
2.5 Turbo w/ 185k mi sitting in my yard w/ a seized engine that has oil and water in it
Seized how? (Won't spin at all. VERY slow spin. VERY fast spin. Or bad noises?)

Have you tried starting it again? Sometimes a siezed engine will turn again if it is allowed to completely cool to air temperature.

Drain the oil and look for any metal shavings, odd colors, foam, etc.

Make sure it is not just a bad starter motor (Weak/burned out).

Good luck, the 2.5T is a very nice engine.
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Old 06-15-2004, 10:41 PM
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Seized as in can't turn the crank w/ a 4 foot breaker bar.....Forward, ..or back after forward didn't work...w/ the injectors out...
The oil looks and smells fine on the dipstick, but obviously there could be metal settled in the pan.
Now I guess I just wait for permission from the owner to pull the head and the oil pan and see what the hell happened.
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  #6  
Old 06-15-2004, 10:50 PM
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seized engine on my SDL ?
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  #7  
Old 06-16-2004, 11:34 AM
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I could only dream that it was as easy as what happened in that thread! That was one of my first suspicions and I pulled the serp early. No dice. Maybe it was the vacuum pump. Maybe I won't know until I pull it all apart.
Any other ideas out there?
-M-
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  #8  
Old 06-16-2004, 12:35 PM
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We can guess all day long.....

Why don't you take it apart and see whats wrong? There are lots of people here that WOULD like to know whats wrong.
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  #9  
Old 06-16-2004, 04:00 PM
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I will be performing the post mortum this weekend.
I will update with cause of death when one has been more accurately determined.
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2003 BMW F650GS Dakar
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