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2003 Ford F-350 Super Duty Lariat 7.3L Oil Mix in Coolant
Posted to Ford Driveability on 10/4/2018 11 Replies

I am not real familiar with this engine, but I believe some of the o rings on the injectors do seal engine oil, but do they seal from the coolant system? We did have a few injectors that were difficult to slide in and I am wondering if we damaged an o ring...

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car Vehicle Data

2003 Ford F-350 Super Duty Lariat

VIN 1FTSW31F13
Engine7.3 L / 8 cyl / DIESEL
Trans6-speed Standard
DeliveryFuel Injection / diesel
EmissionsOBD-II Compliant
SymptomsOil Mix in Coolant
OccursAlways
Message Closed

car Vehicle Data

2003 Ford F-350 Super Duty Lariat

VIN 1FTSW31F13
Engine7.3 L / 8 cyl / DIESEL
Trans6-speed Standard
DeliveryFuel Injection / diesel
EmissionsOBD-II Compliant
SymptomsOil Mix in Coolant
OccursAlways