TSB 08-03-07 Coolant Loss - 6.0l

[DiFeoFord]

2003-2005 Excursion, 2003-2007 F-super Duty, 2004-2008 E-series - Coolant Loss - 6.0l
Some 2003-2007 F-super Duty, 2003-2005 Excursion And 2004-2008 E-series Vehicles, All Equipped With A 6.0l Engine, May Exhibit: Coolant Venting From The Degas Bottle Cap,no-crank/no-start,lacks Power,coolant Leak,white Smoke From Tail Pipe,low Coolant, Overheat,no Cabin Heat. The Conditions Typically Occur When Operating The Vehicle Under A Load Such As Trailer Towing, Uphill Driving, Or Both. Prior To Making Any Repairs, Verify The Coolant Level Is Not Overfull. The New Coolant Fill Level Is At The "min" Line Of The Degas Bottle Cold. Overfilled Coolant Levels Will Cause Coolant To Vent From The Degas Bottle Cap. If The Degas Bottle Is Not Overfull, And Is Still Venting Out Coolant, Refer To The Following Service Procedure.

[powerstroke6lite]

If the coolant is still coming out, then what is the service procedure.

[DiFeoFord]

Originally Posted by powerstroke6lite

If the coolant is still coming out, then what is the service procedure.

EGR cooler/Head Gasket

[Tinymoore]

I have added water several times and have found no leaks. Truck runs very good,no overheat. How do i determine which is the problem? The egr cooler or head gasket. Thanks