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Diesel pulling trailer lost power check temp light came on..

Car: Ford, F350, 2007     -    Back to Fix-It    -    Ford Repair Manuals

Q.2007 f350 dually diesel pulling trailer lost power check temp light came on found a service shop the reserve tank had broke and hose came off, found parts repaired left shop truck got hot still no power when getting over 40 turned around and cooled down as long as kept under 40 threw diesel everywhere on side of truck reserve tank looked like rusty color and hose had broke / blown off under reserve tank.

Answer The problem with your truck is most likely casued by head gasket failure. The internal pressure build up in your cooling system is caused by a leak from the combustion chamber into the cooling system.
There is a service bulletin from ford on this concern that requires checking the egr cooler and head gaskets.
FORD: 2003-2005 Excursion
2003-2007 F-Super Duty
2004-2009 E-Series
ISSUE:
Some 2003-2007 F-Super Duty, 2003-2005 Excursion and 2004-2009 E-Series vehicles, all equipped with a 6.0L engine, may exhibit:
Coolant venting from the degas bottle cap
Internal engine coolant leak (possibly resulting in a hydro-locked engine)
White smoke from tail pipe
Coolant loss
Lacks power due to overheating
No cabin heat
The conditions typically occur when operating the vehicle under a load such as trailer towing, uphill driving, or both.
ACTION:
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
Following the Service Procedure steps will aid in isolating the source of the coolant leak condition by testing and repairing as necessary the following: degas bottle and pressure cap integrity, exhaust gas recirculation (EGR) cooler for internal leaks and the oil cooler for coolant flow restrictions. All vehicles will be required to have the cooling system flushed with Motorcraft Engine Cooling System Iron Cleaner. For vehicles that are diagnosed to have leaking head gaskets, you will be required to test the turbocharger for causing an over-boost condition, which may be the cause of the head gasket failure.
NOTE: PLEASE REFER TO THE WARRANTY AND POLICY MANUAL, SECTION 3, FOR WARRANTY IMPLICATIONS OF REPAIRS RELATED TO VEHICLE MODIFICATIONS.
NOTE: A NEW OIL COOLER SERVICE KIT, WHICH INCLUDES A SERVICEABLE HEAT EXCHANGER, IS TO BE USED TO SERVICE A RESTRICTED OIL COOLER. REPLACEMENT OF THE ENTIRE OIL COOLER ASSEMBLY DUE TO FLOW RESTRICTION IS NO LONGER NECESSARY.
Prior to making any repairs, verify the coolant level is not overfull. The correct cold 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.
Complete All Steps In Order As Outlined (Steps 1-4 Must Be Performed On A Cold Engine)
Inspect the cooling system as per the Workshop Manual (WSM), Section 303-03 for external leaks, oil or fuel contamination, and/or diagnostic trouble codes (DTCs). If external coolant leaks, oil or fuel contamination of coolant, and/or DTC(s) P0480 / P0528 are found, do not continue with this procedure. Refer to WSM, Section 303-03, Powertrain Controls/Emissions Diagnosis (PC/ED) or any other applicable articles as needed.
Test the degas bottle and pressure cap for proper operation of the pressure cap and its seal to the degas bottle:
Do not remove the pressure cap.
Install a pressure tester in-line with the degas bottle hose using Rotunda 014-R1068 adapter.
Pressurize the cooling system by using slow and steady pump action on the tester pump handle. Quick or rapid pumps on the tester handle may cause false readings. Pressurize the system until the gauge pressure levels off, between 12-18 psi (83-124 kPa).
The degas cap should release between 12-18 psi (83-124 kPa) allowing the pressure to level off.
If the degas cap releases with less than 12 psi (83 kPa), replace the cap.
If degas cap was replaced or held pressure, apply pressure to 12-18 psi (83-124kPa) and wait 30 seconds for pressure to stabilize. If pressure holds, go to Step 2e. If pressure drops, continue to next step.
If the gauge pressure drops:
Apply soapy water around the cap to find any leaks.
Check the degas bottle fill neck lip for nicks or cracks. Small nicks can be removed by light sanding with fine emery cloth. Repair or replace as necessary and re-pressure test.
Replace the pressure cap, if leaks are still present and pressure cap was not already replaced in a previous step.
Pressurize the system and test again, if leaks are still present replace the degas bottle, Refer to WSM, Section 303-03.
Record the degas cap holding pressure for later reference, go to Step 3.
CAUTION: COOLANT ENTERING ANY COMBUSTION CHAMBER MAY CAUSE A HYDRO LOCK CONDITION. EVACUATE INTAKE PASSAGES AND COMBUSTION CHAMBERS OF ALL LIQUIDS USING A SUCTION DEVICE. REMOVE GLOW PLUGS (REFER TO WSM, SECTION 303-07B) TO ASSIST IN VENTING LIQUID FROM COMBUSTION CHAMBERS, BEFORE ENGINE IS STARTED.
EGR Cooler Leak Test On Vehicle:
NOTE: NOTE: A LEAKING EGR COOLER CAN CAUSE EXCESSIVE WHITE SMOKE, INTERNAL COOLANT LOSS (WHICH MAY RESULT IN A HYDRO-LOCKED ENGINE), AND/OR PRESSURIZED EXHAUST GASES ENTERING THE COOLING SYSTEM. THIS MAY RESULT IN VENTING FROM THE DEGAS BOTTLE CAP, AND APPEAR SIMILAR TO A LEAKING HEAD GASKET.
Install RADKITPLUSA 078-00592 on the degas tank.
Regulate shop air to 100 psi (690 kPa) and apply vacuum to cooling system until gauge stops decreasing or 20 inches of vacuum is reached. Degas bottle coolant level must be set to MIN line with a cold engine to allow sufficient space for vacuum.
Hold vacuum and allow vacuum to stabilize (allow 60 seconds for vacuum to stabilize).
If vacuum holds steady over 15 minutes go to Step 5.
If vacuum does not hold steady over 15 minutes go to Step 4.
EGR Cooler Leak Test Off Vehicle:
Remove the EGR cooler from the engine following Workshop Manual (WSM), Section 303-08.
Install cooler block-off tools and pressurize the EGR cooler to 30 psi (207 kPa). Fasten the inlet and outlet port block-off plates using standard bolts, nuts and washers.
Road Test For Leaking Head Gaskets - Setup And Observations:
Install the vehicle measurement module (VMM) pressure vacuum transducer (PVT), or Rotunda Pressure Adapter Kit 014-00761, or equivalent.

CAUTION: CAREFULLY RELEASE THE COOLING SYSTEM PRESSURE WHILE REMOVING DEGAS CAP.
Carefully release the cooling system pressure, leaving the tester in place.
Seal pressure bleed.
Drive the vehicle at wide open throttle (WOT) / high load / to achieve maximum boost.
Observe whether the cooling system pressure exceeds the holding pressure noted in Step 2e.
Check for coolant venting through the degas bottle cap by listening for a hissing noise.
If the cooling system pressure is less than the holding pressure noted in Step 2, go to Step 10.
If the cooling system pressure exceeds the holding pressure noted in Step 2, and/or the degas bottle cap continuously vents with loaded engine, go to Step 8.
Turbocharger Over-boost Tests
NOTE: OVER-BOOST CONDITIONS WILL RESULT IN EXCESSIVE CYLINDER PRESSURES, AND MAY BE CAUSED BY IRREGULAR RESPONSE IN VARIABLE GEOMETRY TURBOCHARGER (VGT), OR BY A BIASED EXHAUST BACK PRESSURE (EBP) SENSOR SIGNAL. EXCESSIVE CYLINDER PRESSURES MAY LEAD TO HEAD GASKET FAILURE.
Remove the EBP sensor wire seal connector and inspect the weather seal. If the seal is missing, replace the connector and EBP sensor.
Perform both turbocharger tests in IDS by going to the tests as follows and performing the on-screen prompts:
Tool Box > Powertrain > Air Management > Turbo Test > Turbo Boost Test
Tool Box > Powertrain > Air Management > Turbo Test > VVT Test
NOTE: FOR 2003 AND EARLY 2004 MODEL YEAR VEHICLES, PERFORM PC/ED PPT STEPS KA9 AND KA10 FOR VVT TEST TO DETERMINE VGT VANE OPERATION.
If either test indicates turbocharger repair or replacement is required, refer to the WSM, Section 303-01D General Procedures for Turbocharger Reconditioning procedures. Turbocharger service must be performed while the turbocharger is off the vehicle for head gasket service in Step 9.
If both tests indicate the turbocharger is operating properly, go to Step 9.
Head Gasket Replacement:
Replace the head gaskets. Refer to WSM, Section 303-01C for head removal, installation, cleaning and flatness measurement procedures. Refer to Cylinder Head Gasket Identification Chart located at the end of this procedure.
Use other applicable TSB for proper cylinder head identification.
Vehicle Assembly:
NOTE: FAILURE TO PROPERLY FLUSH THE COOLING SYSTEM WITH MOTORCRAFT ENGINE COOLING SYSTEM IRON CLEANER (VC-9) FOLLOWING WSM PROCEDURES MAY RESULT IN REPEAT EGR COOLER AND OIL COOLER FAILURES.
Flush the cooling and heater system together using the WSM, Section 303-03 Cooling System Flushing - Diesel Engine procedure. Engine coolant quality can be affected by combustion gases, operation at low system pressure or exposure to excessive system temperatures. Engine coolant degradation characteristics include silicate drop out (clouding) and reduced corrosion protection. Rust flakes and silicate that combine in the system might collect in the oil cooler and be mistaken as casting sand.
Change engine oil and oil filter.

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