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Old 11-22-2011, 04:08 AM
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Question Need Your Guys Opinions!

I am coming off my old truck, 2005 F-250 in sig, with a 170k miles on a great running 6.0 so I know what is out of the norm. My current rig, 2005 f-350, has been acting out of the norm. I picked it up for the 350, and the crew cab, was really a hard decision to get rid of a perfectly running 6.0, but this one has a warranty. Both are and were stock trucks too. Recently I noticed the degas cap has been slowly relieving pressure when I shut the truck off, and has coolant residue on it, nothing like it "puking". You can slowly remove the cap and vent the pressure out and the coolant level rises. Yesterday I noticed when you first start the truck and are driving down the road not on the highway yet, coolant temp about 160 deg, the heater should be warm, but its cold, no heat at all, when the truck is stopped until you get on it again. Once up to full temp 190, its fine.

Now those are my symptoms. My delta is about 8 degrees tops at highway, 186ECT and 194EOT. EGR Valve has been replaced. Doesnt really look like im loosing coolant, and exhaust isnt white or wet.

It looks like after all the threads I read, its probably head gaskets. I am not too worried because of the warranty. If it is, I am going to want them to put in studs, but the question is, can the techs (other than ones on here) be trusted putting in studs correctly aka, torque setting? My biggest concern is I have a 850 mile round trip (425 one way) to my dads house Wednesday for the holidays, should I be driving my truck down there??? Thats what I really need your opinions on! Thanks guys!

Last edited by phantom-3k; 11-22-2011 at 06:50 AM.
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Old 11-22-2011, 06:44 AM
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Old 11-22-2011, 06:48 AM
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Sounds like it may be heads to me. I wouldn't worry about them installing studs incorrectly at all, just whether the shop will do it or not, some won't so ask ahead of time.

Being that it's not compeltely diagnosed, I wouldn't drive it just because being that you don't know 100% what the prob is I wouldn't want to be stranded in BFE with a truck that won't run. That's just me tho...

Luckily you're under warranty so I'd give their shop a call and ask if they'll toss ARPs in when they do head gaskets and find yourself a good machine shop to take the heads to to be properly decked while they're off.
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Old 11-22-2011, 07:08 AM
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Awesome! That's what I was thinking to, other opinions are definitely beneficial too! Not what I want to hear about driving it, but def a good idea not to. So I am going to drop it off hopefully before I head out there, and hopefully I can get studs and what not in the mean time. Think the warranty will cover parts like the STC fitting, upgraded turbo drain and feed tubes, stand pipes and dummy plugs?

What about, do they do a cooling system flush, and do you think they would put in ELC for me (if I got it)?
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Old 11-22-2011, 07:16 AM
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I doubt the stand pipes / STC / dummy plugs would be covered unless there's something wrong, but it wouldn't be much in costs to buy them yourself and just have them put them in. Since the engine will already be torn down it shouldn't add anything to the labor portion of it. I'd just ask the tech (avoid the suits if possible) if he'd toss new ones in while he's in there if you supply the parts.

If they do the work they'll put gold coolant in more than likely. I think swapping coolant will void your warranty so you may want to look into that.
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Old 11-22-2011, 07:48 AM
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Agreed. Probably headgaskets. It's not blowing hot air because the coolant is probably low, or you're just constantly aerating the coolant with cylinder pressure.

Chances are the Ford shop will NEVER do studs/heads correctly. You know the saying, you want it done right, you gotta do it yourself.

If you're lucky enough to find a dealer willing to put studs in you MUST make sure you can get those heads decked and checked for cracks. Without this step, the rest of it is a waste IMO.

Do you run a tuner on your truck at all?
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Old 11-22-2011, 07:56 AM
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Quote:
Originally Posted by mdub707 View Post
Do you run a tuner on your truck at all?
No tuner, its completely stock. WHen I talk to a machine shop, whats the spec/tolerance for the heads?
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Old 11-22-2011, 08:22 AM
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Before you go too far.... is your res cap bad? I ask for a few reasons.

1. your delta isnt that bad. almost all HG failures come from that oil cooler going bad, then EGR cooler then when that goes, the HGs are next in line for a steam wash
2. you said you are losing presure or its not holding presure.
3. a cap is only like $8
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Old 11-22-2011, 09:05 AM
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Quote:
Originally Posted by Galaxie View Post
Before you go too far.... is your res cap bad? I ask for a few reasons.

1. your delta isnt that bad. almost all HG failures come from that oil cooler going bad, then EGR cooler then when that goes, the HGs are next in line for a steam wash
2. you said you are losing presure or its not holding presure.
3. a cap is only like $8
This is why I am really curious, delta is fine and coolers seem to be fine. It doesn't seem to hold pressure, I need to get a pressure gauge on it, but I have a feeling it is going to be more that 16psi. I don't know how much pressure it takes for the coolant level to lower (then raise back to normal when the pressure is released, about 1/2in tops). The other thing that had me curious was the no heat situation. Check the youtube video out. Thanks again guys for your help! I guess I should get a gauge on it and see what it gets to. Either way its going find its way to Ford, but need to find out if its a good idea to drive the 8 hours one-way (to then from) my dads house.

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Old 11-22-2011, 11:01 AM
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Just throwin this out there but if you ect is only 186 when you're warmed up and on the highway I think you may need a new t-stat. I believe most run at least 190+ when its working correctly. Mine runs 192-194 on the highway.
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