Oil leak

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  #1  
Old 03-30-08, 02:05 PM
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Oil leak

I have a 1999 Ford Expedition that has an oil leak above the filter, is this coming from the oil pump seal?
 
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Old 03-30-08, 02:09 PM
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Try cleaning all oil off and recheck,use a aerosal brake cleaner for it dries very quick.Possable oil sensor,seen alot of these leak.
 
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Old 03-30-08, 02:13 PM
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20 yr tec

I tried that and the oil is leaking from above that
 
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Old 03-30-08, 02:26 PM
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I tried that and the oil is coming from above the sensor
 
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Old 03-30-08, 02:27 PM
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Tell me what size your engie is please?
 
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Old 03-30-08, 02:29 PM
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5.4 liter motor
 
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Old 03-30-08, 02:46 PM
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5.4 liter triton v8
 
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Old 03-30-08, 02:59 PM
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If it is the oil pump seal is it hard to replace
 
  #9  
Old 03-30-08, 03:01 PM
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The oil filter screws to a housing that bolts to the engine block........Those gaskets leak like a pig........Some Expeditions also have a remote oil cooler and the "O" ring on the cooler goes bad as well.........The "O" ring, naturally, is not available seperately........making you buy the entire cooler. I'm told you can replace th O ring with one from a filter.........tried that twice with no luck
 
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Old 03-30-08, 03:04 PM
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so is removal of the oil pan and timing chain cover necessary to replace it
 
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Old 03-30-08, 03:07 PM
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Possibly, but let me check other possibilities in the morning when i get in to the shop.I have a 99 and will check for other possibilities.when you say oil pump seal are you refering to the front crank seal, if so, no not a hard repair.
 
  #12  
Old 03-30-08, 03:15 PM
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The manual I looked at showed a picture of the oil pump housing, which the filter threads onto,is there a seal between that and the block
 
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Old 03-30-08, 03:26 PM
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I am not sure how the Oil Pump got involved since it is mounted on the front internal, but the oil cooler removal for 4x2 is



Drain the engine cooling system.
Remove the drain plug and drain the engine oil.
Remove the oil bypass filter (6714).
Disconnect the coolant hoses from oil cooler (7A031).
Remove the insert and remove the oil cooler.
Clean and inspect the sealing surfaces.

Installation
To install, follow the removal procedure in reverse order.

For the Oil Adapter



Remove the left engine mount.
Disconnect the oil pressure sender electrical connector.
Disconnect the lower radiator hose (8286) from the oil filter adapter.
Remove the bolts and the oil filter adapter (6881).
Clean and inspect the sealing surfaces.

Installation
To install, follow the removal procedure in reverse order.
 
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