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Failure mode - Ford 7.3L Power Stroke (T444E)
Turbo pedestal o-ring leaks
Reliability tier: verified - verify before ordering, see /disclosure/
Symptoms
- oil pooling in the engine valley / around the turbo pedestal
- oil traces in the intercooler boots and charge pipes
- no driveability change until boots oil-soften and blow off under boost
Root cause
The pedestal that carries the turbo passes oil through sealed galleries; its o-rings harden with heat. The leak looks scary but is a gasket-level repair. Oiled boots that blow off under boost are the secondary failure.
Diagnosis
- degrease the valley, run, re-inspect: fresh oil at the pedestal base = o-rings
- check boot condition/clamps whenever oil is found in the charge side
Fixes
pedestal o-ring kit (non-hydraulic upgrade pedestals exist) ()
- turbo-pedestal-o-ring-kit (part category - specific model not chosen)
replace oil-softened boost boots ()
- boost-boots (part category - specific model not chosen)
Prevalence
common
Affected configurations (50)
- 1994 Ford F-250 (OBS)
- 1994 Ford F-350 (OBS)
- 1995 Ford E-350 Econoline
- 1995 Ford E-450 Super Duty
- 1995 Ford F-250 (OBS)
- 1995 Ford F-350 (OBS)
- 1996 Ford E-350 Econoline
- 1996 Ford E-450 Super Duty
- 1996 Ford F-250 (OBS)
- 1996 Ford F-350 (OBS)
- 1997 Ford E-350 Econoline
- 1997 Ford E-450 Super Duty
- 1997 Ford F-250 (OBS)
- 1997 Ford F-350 (OBS)
- 1998 Ford E-350 Econoline
- 1998 Ford E-450 Super Duty
- 1999 Ford E-350 Econoline
- 1999 Ford E-450 Super Duty
- 1999 Ford F-250 Super Duty
- 1999 Ford F-350 Super Duty
- 1999 Ford F-450 Super Duty Chassis Cab
- 1999 Ford F-550 Super Duty Chassis Cab
- 2000 Ford E-350 Econoline
- 2000 Ford E-450 Super Duty
- 2000 Ford Excursion
- 2000 Ford F-250 Super Duty
- 2000 Ford F-350 Super Duty
- 2000 Ford F-450 Super Duty Chassis Cab
- 2000 Ford F-550 Super Duty Chassis Cab
- 2001 Ford E-350 Econoline
- 2001 Ford E-450 Super Duty
- 2001 Ford Excursion
- 2001 Ford F-250 Super Duty
- 2001 Ford F-350 Super Duty
- 2001 Ford F-450 Super Duty Chassis Cab
- 2001 Ford F-550 Super Duty Chassis Cab
- 2002 Ford E-350 Econoline
- 2002 Ford E-450 Super Duty
- 2002 Ford Excursion
- 2002 Ford F-250 Super Duty
- 2002 Ford F-350 Super Duty
- 2002 Ford F-450 Super Duty Chassis Cab
- 2002 Ford F-550 Super Duty Chassis Cab
- 2003 Ford E-350 Econoline
- 2003 Ford E-450 Super Duty
- 2003 Ford Excursion
- 2003 Ford F-250 Super Duty
- 2003 Ford F-350 Super Duty
- 2003 Ford F-450 Super Duty Chassis Cab
- 2003 Ford F-550 Super Duty Chassis Cab