random oil leak...
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Fleet Mechanic
Joined: Oct 2004
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From: Simpsonville, KY
random oil leak...
so I was under my truck (again) and saw a large leak of what to be oil on the left (pas.) side just behind the oil pan... now the last two times I changed it (most recently two weeks ago) I only got three or four quarts out. I had a major loss of power a few months ago, but it came back when I replaced a fried COP this month (took that long to fail enough to be diagnosed). What is this leak? I have heard people mention something like this for a blown head gasket, but I don't think I am missing too much oomph, if any. I checked the oil last week and I still was at the filled level, and I haven't done it again this week yet. Any ideas?1999 F150 SCab 4x4 5.4L
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Fleet Mechanic
Joined: Oct 2004
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From: Simpsonville, KY
its hard to tell b/c its cold here, but I don't think there is any white smoke (no black smoke)... how do I tell if there is water in the coolant? (that reminds me... the COP leak caused me to leak some, so I should fill that back up...)
Postmaster
Joined: Aug 2003
Posts: 2,977
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From: South Texas
The oil would look foamy and the coolant would feel greasy. I've never use one, but maybe one of those UV dye leak detectors would help.
http://www.autobarn.net/profuvleakde.html
http://www.autobarn.net/profuvleakde.html
Hotshot
Joined: Aug 2002
Posts: 12,679
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From: BC, Canada
The head gaskets on these do cause oil leaks sometimes. Usually you'll see oil right on or above the starter. It's usually the passenger's side head that leaks.
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Fleet Mechanic
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Originally Posted by Racerguy
Usually they don't "blow" , they just leak oil to the outside.
It seems to run ok, as long as I keep the oil on level.
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