99 & up 7.3L Power Stroke Engine and DrivetrainDiscussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
Been on here a long time, but haven't posted for quite a while. 2002 PSD with 180,000 miles. It's been real cold lately (5 degree Fahrenheit) in the mornings and starting has been a pain. Plugged in last night but didn't seem to help at all. Took so long to start I nearly killed the battery. Anyway, after a morning of driving, I came home to see an oil leak coming from somewhere up front around the bottom wheel on the serpentine belt. Please see the pictures in my diesel stop album. Don't know if the cold weather has affected something or what. Truck has never leaked up to this point. I know there are lots of possibilities here but wanted some opinions on what it may be from.
Thanks
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2002 Silver F350/4WD/PSD/CC/LWB/SRW
4" Turbo back ATS Exhaust/DI Flip Chip
165k and counting
I suppose it could be your front main seal - behind the harmonic balancer. It could just as likely be coming from somewhere higher and splattering - hard to tell from the pictures.
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2003 F-250 XLT Crew Cab 7.3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil pressure gauges, Ford Severe Duty AIS, 31 row 6.0 transmission cooler, ScanGauge II, Marinco mod, Walker BTM
"IF YOU CAN'T FIX IT WITH A HAMMER, YOU’VE GOT AN ELECTRICAL PROBLEM"
There is an oil seal on the front of the crankshaft that mounts in the LPOP housing and runs on the harmonic balancer/crank pulley. It's possible that's worn out. Check closely to see where exactly the oil is coming from, because as you know gravity applies, and it may be coming from somewhere above the harmonic balancer.
Yeah, it's definitely hard to tell where it originates for sure. I'm curious if it may be the cps possibly. I want to say that's what is right above the pulley. I changed it years ago but that looks to be it from what my feeble mind remembers. I checked the valley and it looks pretty dry, but I think most leaks up there run down the back of the engine and not where I'm seeing it. I'll look closer at the areas mentioned tomorrow when it's light.
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2002 Silver F350/4WD/PSD/CC/LWB/SRW
4" Turbo back ATS Exhaust/DI Flip Chip
165k and counting
Check the seals leading to your oil cooler. Sounds like the metal gasket failed on the front half, or one of the rubber orings turned into plastic instead of rubber and its leaking down the front of the motor. It mounts on the driver side, between the waterpump and power steering pump.
The cooler itself is probably fine, just need some new gaskets. I got mine from diesel-orings. Easy fix, only took 2 hours or so. Mostly because it takes forever to bleed the heater core after you drain the coolant.
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Personal Trucks:
Red 2003 F250 XLT Crew Cab 6.0L Powerstroke FX4 162,000miles,
BONE STOCK
Black 2003 Excursion Limited 6.0L Powerstroke 178,000miles.
4" Magnaflow Turbo Back, Warn Manual Locking Hubs
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Oil leaking
), AIS, 
F250 XLT Crew Cab 6.0L Powerstroke FX4 162,000miles,
Linear Mode
