Cracked head ? - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 07-25-2014, 02:47 PM Thread Starter
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Cracked head ?

If one of heads is cracked causing coolant loss. Wouldn't coolant be getting in to oil right?

John



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post #2 of 7 Old 07-25-2014, 03:29 PM
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Totally depends on the location of the crack.


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SCT, no studs...yet, Dual OEM intake air filter housings, Banks intercooler & intake elbow, Banks exhaust system, Windrunner ported intake manifold, Bullet Proof Diesel remote oil cooler & thermostat, AirDog2 (plus a couple spares), Power steering filter (Amsoil dual-bypass), MagTec deep ATF pan, Electric oil pre-lub pump, Dakota Digital gauges.
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post #3 of 7 Old 07-25-2014, 04:06 PM Thread Starter
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Would my eot/ect deltas say in check under 15* with cracked head. Truck runs great under normal driving conditions. Noticed overheating when pulling trailer up a grade. Headgasket job done last feb. Add arp studs repair shop said heads where sent to be check then. Losing patience with shop doing repairs. Only up side is if it is cracked head it will be under extended warranty.

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07 F350 cc/sb Fx4 Lariat
ARP studs, OEM head gaskets, 4" exhaust turbo back 6" tip, egr delete, BPD oil cooler and filtration, sct turner, egde insight monitor, coolant filter, high idle mod, Recon smoked mirror and cab markers
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post #4 of 7 Old 07-25-2014, 04:36 PM
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Cracked head ?

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Originally Posted by MooreSix0Stroker View Post
Would my eot/ect deltas say in check under 15* with cracked head. Truck runs great under normal driving conditions. Noticed overheating when pulling trailer up a grade. Headgasket job done last feb. Add arp studs repair shop said heads where sent to be check then. Losing patience with shop doing repairs. Only up side is if it is cracked head it will be under extended warranty.

Is your degas bottle venting when it overheats. If the shop didn't deck the heads I'll bet you have a bad gasket because even brand new heads IMO need to be decked. Hook up a temporary gauge to your degas bottle and see if the pressure climbs fast under load. What does your coolant look like?


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SCT, no studs...yet, Dual OEM intake air filter housings, Banks intercooler & intake elbow, Banks exhaust system, Windrunner ported intake manifold, Bullet Proof Diesel remote oil cooler & thermostat, AirDog2 (plus a couple spares), Power steering filter (Amsoil dual-bypass), MagTec deep ATF pan, Electric oil pre-lub pump, Dakota Digital gauges.

Last edited by Term3; 07-25-2014 at 04:40 PM.
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post #5 of 7 Old 07-25-2014, 06:58 PM Thread Starter
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Shop pressure tested cooling system to 30 pounds for more than 24 hours no loss of pressure. When i open degas cap it releases pressure and there is no puking. Coolant when full two weeks ago looked yellowish. Don't know now truck been at shop for a week now.

John



07 F350 cc/sb Fx4 Lariat
ARP studs, OEM head gaskets, 4" exhaust turbo back 6" tip, egr delete, BPD oil cooler and filtration, sct turner, egde insight monitor, coolant filter, high idle mod, Recon smoked mirror and cab markers
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post #6 of 7 Old 07-26-2014, 11:01 AM
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May not leak when cold but does when up to temperature. With your EGR delete is the cooler removed or welded up, another possible leak source. As for overheating do you still have your EGR valve electrically connected? Some software versions will not let the PCM fully engage the fan clutch along with not doing the vane stroke at startup.


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SCT, no studs...yet, Dual OEM intake air filter housings, Banks intercooler & intake elbow, Banks exhaust system, Windrunner ported intake manifold, Bullet Proof Diesel remote oil cooler & thermostat, AirDog2 (plus a couple spares), Power steering filter (Amsoil dual-bypass), MagTec deep ATF pan, Electric oil pre-lub pump, Dakota Digital gauges.
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post #7 of 7 Old 07-26-2014, 12:42 PM Thread Starter
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EGR cooler removed and EGR valve electrically connected. Thanks for the help!

John



07 F350 cc/sb Fx4 Lariat
ARP studs, OEM head gaskets, 4" exhaust turbo back 6" tip, egr delete, BPD oil cooler and filtration, sct turner, egde insight monitor, coolant filter, high idle mod, Recon smoked mirror and cab markers
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