Common oil leak on passenger front side of engine? - Diesel Forum - TheDieselStop.com
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Power Strokes 1994-1997 General Technical discussion of topics related to vehicles powered by the Power Stroke engine in 1994 through 1997 models.

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Old 09-03-2010, 05:06 PM   #1 (permalink)
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Common oil leak on passenger front side of engine?

I can't quite spot where the oil is coming from. Its a slow leak but appears to be coming basically from the passenger side of the motor, towards the front top. Its dry below the valve cover but the oil seems to come down then back and is drenching the frame and oil pan down on that side.

I vaguely recall an o-ring in the head or something of that sort being a common culprit in that area. Anyone got any ideas? Thanks!


edit: may have found the info.
Oil Rail End Plugs (large plugs at each end of heads; incl. O-rings, use LOCTITE #11747 to seal threads)
(Ford) Same number as International
(International) 1827535C94

Oil Leak on Right-Front of Engine

I'll take a closer look tonight but feel free to add any ideas you have in the mean time.
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'97 F350 PSD E4OD CC 4x4
265/75/16, BB shim=73psi, Open Element, 10K with switch on dash, IDM mod, 30K Hayden tranny cooler, 1.0 exhaust housing, 3" downpipe, 4" straight pipe, the usual gauges, Bullydog 6 position chip (five of them work)

Last edited by Tankota; 09-03-2010 at 05:40 PM.
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Old 09-03-2010, 09:29 PM   #2 (permalink)
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The oil rail end plug would be my first check. Cheers!
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97 F250 SC 4x4 (CA model), E4OD, 4.10 LS, Relocated Block Heater Plug, Ext Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed

SOLD: 94 F350 CC DRW, 5 Speed, SBC Con-O, Baldwin Filter, Tymar HPX Hose, 3 DP, Bilsteins, $12 AIC, Coolant Filter, Explorer O/H Console, Trans Temp, Boost, and Pyro, Pedestal Mod, Gutted EBPV
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Old 09-03-2010, 10:56 PM   #3 (permalink)
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Took a while to find it but I do believe you are correct. Looks like the alternator and belt tensioner/idler have to be removed to get to it. Is that it?
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'97 F350 PSD E4OD CC 4x4
265/75/16, BB shim=73psi, Open Element, 10K with switch on dash, IDM mod, 30K Hayden tranny cooler, 1.0 exhaust housing, 3" downpipe, 4" straight pipe, the usual gauges, Bullydog 6 position chip (five of them work)
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Old 10-10-2010, 06:28 PM   #4 (permalink)
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That definitely was the leak and didn't take too long to pull the alternator and the idler assembly to replace the oil rail plug.
.
.
.
however, now the truck idles like its running on 6-7 cylinders and takes alot of cranking to start.

Is this just air in the oil rail and will go away after some extended driving?
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'97 F350 PSD E4OD CC 4x4
265/75/16, BB shim=73psi, Open Element, 10K with switch on dash, IDM mod, 30K Hayden tranny cooler, 1.0 exhaust housing, 3" downpipe, 4" straight pipe, the usual gauges, Bullydog 6 position chip (five of them work)
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Old 10-10-2010, 08:12 PM   #5 (permalink)
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Should just be air in the rails after opening it up. It'll work itself out. Cheers!
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97 F250 SC 4x4 (CA model), E4OD, 4.10 LS, Relocated Block Heater Plug, Ext Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed

SOLD: 94 F350 CC DRW, 5 Speed, SBC Con-O, Baldwin Filter, Tymar HPX Hose, 3 DP, Bilsteins, $12 AIC, Coolant Filter, Explorer O/H Console, Trans Temp, Boost, and Pyro, Pedestal Mod, Gutted EBPV
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Old 10-10-2010, 09:43 PM   #6 (permalink)
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Thanks!
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'97 F350 PSD E4OD CC 4x4
265/75/16, BB shim=73psi, Open Element, 10K with switch on dash, IDM mod, 30K Hayden tranny cooler, 1.0 exhaust housing, 3" downpipe, 4" straight pipe, the usual gauges, Bullydog 6 position chip (five of them work)
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