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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

oil leak

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Old Jun 17, 2011 | 11:20 AM
  #1  
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lee1964
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oil leak

i have a 1991 ford econoline van with a 302 the main bearing seals are leaking how hard is that to do.

Meant to say oil pressure instead of oil leak
 

Last edited by lee1964; Jun 18, 2011 at 04:27 PM. Reason: entered wrong
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Old Jun 17, 2011 | 01:26 PM
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nstueve
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mail bearing seals??? did you mean main bering seals?

If so the main bering will make you loose oil pressure but not cause the engine to leak...
 
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Old Jun 17, 2011 | 06:30 PM
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yes typed it wrong

thanks
 
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Old Jun 20, 2011 | 10:47 AM
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nstueve
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You chould have a leak from any one number of seals... so if you are leaking and driping on the ground let us know and we can give you detailed instruction on how to diagnose which seal and how to replace it if necessary... If your main berings are bad you can develope engine noises down low in the block and your oil pressure will not be that great. You can get a oil pressure guage for $20-$30 and test your oil pressure right at the engine block if you want to. It's pretty easy to do! Just let us know more details.
 
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Old Jun 21, 2011 | 08:43 AM
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Are we dealing with an oil leak or low oil pressure here?
 
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Old Jun 21, 2011 | 09:51 AM
  #6  
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Well if you have low pressure because the main bearings are worn out....then the entire engine is pretty much toast. The fix would be to rebuild the whole thing, not a very easy job.

The half-assed way to do it would be to just remove the pan and replace the main bearings, however it may not even get your pressure back up depending on how worn down the crank is. Plus this wouldnt be easy either, dropping the oil pan on a 302 in these trucks is a major pain.

I'd advise trying to find a good junkyard engine.
 
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