Degas Bottle Cap pops with Spartan 275 - Ford Powerstroke Diesel Forum
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post #1 of 40 Old 05-24-2012, 09:32 AM Thread Starter
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Unhappy Degas Bottle Cap pops with Spartan 275

I noticed while running my Spartan 275 tune with DPF/DOC delete and AFE stage 2 cold air, that the degas cap pops and blows coolant everywhere under hard accelerations. But the 250 tune does not cause this issue at all. Any ideas besides getting a new cap, I tried new aftermarket and factory caps. Thanks

08 F350 CC 6.4L Spartan Tuned (250)


Link http://www.powerstroke.org/forum/tru...tan-tuned.html
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post #2 of 40 Old 05-24-2012, 10:01 AM
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Do you still have the egr coolers? My guess would be headgaskets

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #3 of 40 Old 05-24-2012, 10:09 AM Thread Starter
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I still have the egr coolers. I have heard before that it may be the headgaskets, if that's the case, i will stick to the 250 tune as I have no problems with it. I wish there was an easier way of checking headgaskets other than removing the cab and taking off the heads.

08 F350 CC 6.4L Spartan Tuned (250)


Link http://www.powerstroke.org/forum/tru...tan-tuned.html
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post #4 of 40 Old 05-24-2012, 10:12 AM
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Quote:
Originally Posted by DieselFuelForever View Post
I still have the egr coolers. I have heard before that it may be the headgaskets, if that's the case, i will stick to the 250 tune as I have no problems with it. I wish there was an easier way of checking headgaskets other than removing the cab and taking off the heads.
It also could be your egr coolers. Might be worth the investment to delete them. Also you can buy a blok check to theck if there is combustion gasses in the coolant or pressure check the coolant system. This will tell you if you have a blown headgasket.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #5 of 40 Old 05-24-2012, 10:21 AM Thread Starter
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Do you recommend any specific block off plates? And any specific block check to use or it doesn't matter? Thanks

08 F350 CC 6.4L Spartan Tuned (250)


Link http://www.powerstroke.org/forum/tru...tan-tuned.html
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post #6 of 40 Old 05-24-2012, 10:24 AM
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I believe you can get the blok check at any auto parts store. Check out performance truck products. They have several options

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #7 of 40 Old 05-24-2012, 12:17 PM Thread Starter
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Thanks for your help !!

08 F350 CC 6.4L Spartan Tuned (250)


Link http://www.powerstroke.org/forum/tru...tan-tuned.html
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post #8 of 40 Old 05-24-2012, 12:19 PM
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Anytime bro. Also so you know i went with the flo pro egr delete.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #9 of 40 Old 06-03-2012, 08:17 PM
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Also pressure test ur degas cap. I had the upgraded cap from ford and it still wouldn't hold 16 psi. Went and bought a $5 Stanton cap from advanced auto and it tested perfect. Worth a try....


Sent from my Autoguide iPhone app

*NEW:
2016 F250 CCSB KR FX4
NL Fab:
---Stage 1 Intake
---EGR shmock off plates
---Flo Pro Exhaust (5" to 6" tip)
---SCT with GH tunes
---Waiting for first Fuel Filter change to install:
---------CCV Mod
---------CTS2 monitor with EGT Probe
Just passed 1,111.1 miles and LOVING IT!


**SOLD:
2010 F250 CC FX4
H&S
AFE Intake
and some other goodies...

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post #10 of 40 Old 06-15-2012, 09:54 PM
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Not being rude, but if you're building more than 16psi at ANY time, something is wrong. Napa sells block check ( clear bottle, purple contents). White smoke is a good indicator of EGR problems. If not, it's head gaskets. If you wait, you'll be sorry.. Eventually, its gonna hydro lock. Crack your heads and you'll see an EASY $6500 repair bill. I charge $7000 for new heads, gaskets, studs, EGR delete, and labor. Fix it while you still can avoid major damage..
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