Oil leak
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Freshman User
Joined: Nov 2006
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Oil leak
Hey guys, I have had a small oil leak coming form the rear of my engine for almost a year now. When i say small I mean not even enough to leave a spot in the driveway. But yesterday I was pulling a 20K trailer and I noticed oil spots all over the front of my trailer. When I looked under my truck the whole back side of the engine/transmission was dripping oil.
I don't know if my rear main seal blew out or if there is something else going on. My wife called the Ford shop today and they told her they have never had a bad rear main on an '03, but there is some kind of sensor that could be leaking. Any ideas? Thanks
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2003 F350 Lariat 6.0L Powerstoke Auto 130,000 miles
Edge Evolution, 5" Bullydog , K&N
6" Lift, 37's
I don't know if my rear main seal blew out or if there is something else going on. My wife called the Ford shop today and they told her they have never had a bad rear main on an '03, but there is some kind of sensor that could be leaking. Any ideas? Thanks
______________________________
2003 F350 Lariat 6.0L Powerstoke Auto 130,000 miles
Edge Evolution, 5" Bullydog , K&N
6" Lift, 37's
Senior User
Joined: Nov 2006
Posts: 119
Likes: 1
ditto for me! i was going to start a post on this issue but figured i would just jack your thread....LOL!!!!!!
I have an 05 f250 6.0 and just as mentioned above my oil pan, front diff, some suspension componets, trans pan, etc is dripping oil and covered with a oily residue! Some one please chime in and help us out with this problem. My truck has 35k miles and is going to the dealer VERY SOON!!! I just want to know what to expect!
remember my truck is an 05, and BAF350 has an 03 if it matters!
I have an 05 f250 6.0 and just as mentioned above my oil pan, front diff, some suspension componets, trans pan, etc is dripping oil and covered with a oily residue! Some one please chime in and help us out with this problem. My truck has 35k miles and is going to the dealer VERY SOON!!! I just want to know what to expect!
remember my truck is an 05, and BAF350 has an 03 if it matters!
Laughing Gas
Joined: Nov 2006
Posts: 909
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then they must not work on very many diesel trucks.....all oil leaks will collect at the bellhousing because it is the lowest point. Rear main seal failure's are not common with these trucks but anything is possible u should still be under the 5/100 so take it in.
Posting Guru
Joined: May 2003
Posts: 1,990
Likes: 1
From: Middleburg, FL
Unless the source of the leak is obvious, the best thing to do is have them clean off the underside and remove any oily residue. Then they should put dye in the oil and let you drive it for a few hundred miles or until the leak returns. Then take it back in and they can trace the source of the leak. Otherwise, they might just guess and throw parts at it until they find it.
Postmaster
Joined: Dec 2003
Posts: 4,196
Likes: 10
From: Arizona
BAF350,
Do what "Powerstroke_wannabe" said. The tech can only accurately diagnose the oil leak with dye in the oil.
The most common leaks on the 6.0 are as follows in descending order of occurance: (Notice the First for items comprise 65% of all reported leaks and are a simple fix.)
CAC Tubes = 21%
ICP Sensor = 16%
Glow Plug Harness = 14%
Cam/Crank Position Sensor =14%
Front Crankshaft Seal = 8%
Upper to lower block seal (skirt) = 5%
HPOP cover = 4%
Oil Cooler (this leaks into engine coolant) = 4%
Front or Rear Engine Cover = 3%
Rear Crank Seal = 3%
Turbo Charger & VGT actuator = 2%
Covers (oil pan, valve covers, breather) = 2%
Cracked or Porous Block or Head = 1%
IPR valve/Engine Lube oil pump = <1%
Hope this helps
Do what "Powerstroke_wannabe" said. The tech can only accurately diagnose the oil leak with dye in the oil.
The most common leaks on the 6.0 are as follows in descending order of occurance: (Notice the First for items comprise 65% of all reported leaks and are a simple fix.)
CAC Tubes = 21%
ICP Sensor = 16%
Glow Plug Harness = 14%
Cam/Crank Position Sensor =14%
Front Crankshaft Seal = 8%
Upper to lower block seal (skirt) = 5%
HPOP cover = 4%
Oil Cooler (this leaks into engine coolant) = 4%
Front or Rear Engine Cover = 3%
Rear Crank Seal = 3%
Turbo Charger & VGT actuator = 2%
Covers (oil pan, valve covers, breather) = 2%
Cracked or Porous Block or Head = 1%
IPR valve/Engine Lube oil pump = <1%
Hope this helps
Postmaster
Joined: Dec 2003
Posts: 4,196
Likes: 10
From: Arizona
Originally Posted by jhgr
I have an 07 and it has a leak coming from some where above the starter and running down on the starter and passenger side of bell housing. Where is it most likely coming from?
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New User
Joined: Apr 2006
Posts: 12
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From: Elgin Texas
the ford dealer said mine was a loose clamp, they cleaned it, dyed it, and tightened it and all is well.
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Postmaster
Joined: Dec 2003
Posts: 4,196
Likes: 10
From: Arizona
Originally Posted by zzzz944
the ford dealer said mine was a loose clamp, they cleaned it, dyed it, and tightened it and all is well.
Posting Guru
Joined: Jul 2006
Posts: 1,737
Likes: 0
From: Republic of Texas
Originally Posted by blackhat620
BAF350,
Do what "Powerstroke_wannabe" said. The tech can only accurately diagnose the oil leak with dye in the oil.
The most common leaks on the 6.0 are as follows in descending order of occurance: (Notice the First for items comprise 65% of all reported leaks and are a simple fix.)
CAC Tubes = 21%
ICP Sensor = 16%
Glow Plug Harness = 14%
Cam/Crank Position Sensor =14%
Front Crankshaft Seal = 8%
Upper to lower block seal (skirt) = 5%
HPOP cover = 4%
Oil Cooler (this leaks into engine coolant) = 4%
Front or Rear Engine Cover = 3%
Rear Crank Seal = 3%
Turbo Charger & VGT actuator = 2%
Covers (oil pan, valve covers, breather) = 2%
Cracked or Porous Block or Head = 1%
IPR valve/Engine Lube oil pump = <1%
Hope this helps
Do what "Powerstroke_wannabe" said. The tech can only accurately diagnose the oil leak with dye in the oil.
The most common leaks on the 6.0 are as follows in descending order of occurance: (Notice the First for items comprise 65% of all reported leaks and are a simple fix.)
CAC Tubes = 21%
ICP Sensor = 16%
Glow Plug Harness = 14%
Cam/Crank Position Sensor =14%
Front Crankshaft Seal = 8%
Upper to lower block seal (skirt) = 5%
HPOP cover = 4%
Oil Cooler (this leaks into engine coolant) = 4%
Front or Rear Engine Cover = 3%
Rear Crank Seal = 3%
Turbo Charger & VGT actuator = 2%
Covers (oil pan, valve covers, breather) = 2%
Cracked or Porous Block or Head = 1%
IPR valve/Engine Lube oil pump = <1%
Hope this helps
Got Diesel?
Joined: Jan 2004
Posts: 4,345
Likes: 21
Originally Posted by Powerstroke_wannabe
Unless the source of the leak is obvious, the best thing to do is have them clean off the underside and remove any oily residue. Then they should put dye in the oil and let you drive it for a few hundred miles or until the leak returns. Then take it back in and they can trace the source of the leak. Otherwise, they might just guess and throw parts at it until they find it.
Postmaster
Joined: Dec 2003
Posts: 4,196
Likes: 10
From: Arizona
Originally Posted by Lonewolftx
Where do you come up with this stuff? Amazing . . .
Got Diesel?
Joined: Jan 2004
Posts: 4,345
Likes: 21
Here is a link that discusses this issue...
http://www.forddoctorsdts.com/photographs/index3.php
Great information site as well.
Jeff
http://www.forddoctorsdts.com/photographs/index3.php
Great information site as well.
Jeff
New User
Joined: May 2007
Posts: 9
Likes: 0
I recently (last mo.) bought a 2003 6.0 w/ 47k miles. The Oasis report showed repairs for: 1) Front main seal, 2) Rear main seal, 3) Icp sensor and front main seal again, all pinpointed w/ blacklight.
While crawling around underneath I noticed an oil drip between engine/trans. Back to dealer, blacklight dye, sure enough rear main seal again.
Thankfully there is still almost a year on the engine warranty. After that, things could get expensive if this keeps up.
What gives with all these oil leaks? Seems like diesel lubrication should be well figured out by now, even if the other stuff on top of the engine is new technology.
Any problems I had with my old gasser at least didn't involve oil leaks.
BTW, I love this truck, but I recall saying something similar when I married my (ex) wife.
While crawling around underneath I noticed an oil drip between engine/trans. Back to dealer, blacklight dye, sure enough rear main seal again.
Thankfully there is still almost a year on the engine warranty. After that, things could get expensive if this keeps up.
What gives with all these oil leaks? Seems like diesel lubrication should be well figured out by now, even if the other stuff on top of the engine is new technology.
Any problems I had with my old gasser at least didn't involve oil leaks.
BTW, I love this truck, but I recall saying something similar when I married my (ex) wife.