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  #1  
Old 03-25-2001, 05:37 PM
dennis1522
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Okay, so I know this is bad, but how bad. There is oil in the coolant resevior. Possible causes?
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  #2  
Old 03-25-2001, 06:47 PM
pfphipps
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Is it an M104 engine? If so, it is probably a head gasket. Just went through it. Cost in the vicinity of $800 to $900.
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Old 03-25-2001, 06:47 PM
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Best guess->headgasket. What car??
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No matter what you fix, there will always be something else to fix..
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Old 03-25-2001, 09:33 PM
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Yup, head gasket. But like Jeff said, what model car?
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Old 03-25-2001, 10:46 PM
dennis1522
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Okay, so I feel foolish. It is an 87 300E with a 103 engine.
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  #6  
Old 03-25-2001, 10:56 PM
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That would be the head gasket, unless it is ATF, engine oil will be brown and cruddy. ATF (from the cooler in the radiator) is reddish and does not produce the cruddy, brown residue. Hope it's the latter.
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1989 300e
2000 Dodge Grand Caravan SE
No matter what you fix, there will always be something else to fix..
"Warranty" is just another way of postponing the inevitable.
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  #7  
Old 03-26-2001, 12:11 AM
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Better look into the headgasket or you'd be heading into other gaskets in no time ..
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  #8  
Old 03-26-2001, 12:20 PM
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Are you getting coolant in the oil? You could check by loosening the oil drain bolt a little and see what drips out first, the coolant is heavier than oil and will be at the bottom of the oil pan.
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  #9  
Old 03-26-2001, 12:24 PM
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oil in coolant

Hi,

Do your self a favor, and take it to a good mechanic who can perform a "leak down test" on your motor. I have this engine as well, great motor. The mech will fill each of your cylinders with compressed air, through a special fitting at your spark plug. then by tracking where the air leaks to(ie, up into the valve train=seals, into coolant=head gasket, into oil sump=blown rings, etc.) he'll be able to tell you what's wrong.


Best of luck to you
Evan Lewis
1986 300E
140,000 miles
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