BE CAREFUL
G'day M8,
Try this: Ford Truck Enthusiasts Forums > Diesel > 1999 - 2003 7.3L Power Stroke Diesel
7.3 oil dipstick leak?
If it's just this leak around the Dipstick tube itself then no real drama to fix.
Ford Truck Enthusiasts Forums > Diesel > 1999 - 2003 7.3L Power Stroke Diesel
Oil leak at dipstick tube flange fixed -with pics!.
However if it's the flange itself then be sure to study up on how to fix that flange 'O' ring. The second thread is a good right up with excellant pics.
Big, big drama if the dipstick holder gives the dreaded "ka-ploop" into the sump 
Be careful.
Just hope it is only the Dipstick
Good luck,
 Reg.
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[/SIGPIC] Aussie 2005(US 2003)F-250 SD 4x4 7.3Ltr PS: AIS Intake,Zoodad,Cowl Hood,AIH delete,DIY CCV,PHP FU2 Chip,RiffRaff FRx,HPx & OCR,BTM Exhaust,HD rear spring set,Front leveler spring, Dual Tower shocks front,Tough Dog Damper,ARB Air Lockers Front & Rear,V10 Tranny cooler+OEM Cooler, BD Deep Pan,JWVB,Long Range Fuel Tank,Edge Evo2,VMS In Dash Nav. GVM(GVWR)Upgraded to 5,000k(LT Rated F350+).
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