2004 Cadillac Escalade Ext Oil Leak

2004 CADILLAC ESCALADE EXT
104,650 MILES • V8 • 4WD • AUTOMATIC
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U7616BOB
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I noticed a small oil leak in the front center of my truck,

What do you think the cause could be?

Thanks for your support.
Mar 11, 2014 at 2:08 PM
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RASMATAZ
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Could be the crankshaft front oil seal or the oil pan
Mar 11, 2014 at 4:08 PM
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TY ANDERSON
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What I've seen with these engine is usually the engine oil pan gasket is leaking. There is also some other components that have a history of leaking.
The transmission oil cooler pipes leak at the rubber to metal connections up by the drive belt on passenger side.
The engine oil cooler hoses (if equipped) on the driver side by the drive belt or back by the engine oil filter.
The right front axle seal typically leak on these differentials.
A loose engine oil drain plug or engine oil filter could also cause this.
Mar 11, 2014 at 9:49 PM
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U7616BOB
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Thanks for your quick reply. Your answer gave me some idea what the problem would be prior going into the repair shop blind sided. You were right, it was the oil cooler lines (rubber to connector). Replaced it and now I am good to go.

Thanks again,

Bob
Mar 16, 2014 at 11:57 AM
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TY ANDERSON
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Your welcome. Thanks for the question.
Mar 17, 2014 at 9:13 PM