coolant issue - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 12-06-2010, 12:54 PM Thread Starter
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coolant issue

hi guys i have a 03 f350 diesel and what my issue is when i step on the gas the fluid pours out of my rad cap. new cap, new head gasket,new studs. this only happens if i have one of my custom tunes on and my temp will vary 184 to 194 but when im stock it stays at 188 to 190. any ideas ????????
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post #2 of 5 Old 12-06-2010, 01:01 PM
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Temps look normal, do you still have egr cooler installed?

'03 F350 6.0 CC dually lariat 4x4
Autometer gauges:
Pyro, boost, fuel pressure
Edge insight cts
Bulletproof EGR cooler (Blocked off)
Oil cooler rebuilt
Coolant filter
Delvac EC-1 ELC
Exhaust: MBRP 4" cat back with delete pipe
SCTx3 Tunes by Innovative and Gearhead
Swamps 58v FICM
High idle mod
SRW front wheel conversion
ARP head studs

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post #3 of 5 Old 12-06-2010, 02:39 PM
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When they did the headstuds, were the heads sent out to be magnafluxed for cracks, flatness, and pressure tested? Did you install a new oil cooler? How about a new EGR cooler or do a EGR cooler delete?

2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #4 of 5 Old 12-06-2010, 05:23 PM
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Quote:
Originally Posted by Lilpooh View Post
When they did the headstuds, were the heads sent out to be magnafluxed for cracks, flatness, and pressure tested? Did you install a new oil cooler? How about a new EGR cooler or do a EGR cooler delete?
What he said. Sounds like you have blow by coming from your heads and it's flash boiling your coolant and over pressurizing it causing it to come out.
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post #5 of 5 Old 12-06-2010, 05:45 PM
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thats exactly whats wrong with it,whoever did his heads didnt deck em!!!!! dang i hate when a mechanic does that,ITS VERY IMPORTANT to CHECK the HEADS and the connecting rods,see if they have stretched or what not,also if and when you get your heads redun,make dam sure they check the arp headstuds,I.E mesure them.

i work on these things and ive seen horrid things done to the 6.0.if you get your truck "bulletproofed" it should not blow any coolant anywere,if it does,it wasnt done correctly....
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