Ford 6.7L Power Stroke Diesel :: Onboard Air Leaks Slightly Making Compressor Cycle Ever Few Hours


Oct 25, 2015

Ok, so I have a Viair onboard compressor supplying air to airbags, train horn and fitting in the rear. With all that, I have multiple connections and some leak ever so slightly making the compressor cycle ever few hours. Question: Is there some sealant I can use with push on fittings and connectors to eliminate the leaks?

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Ford 6.0L Power Stroke Diesel :: 2006 E450 AC Compressor Leaks Freon

OK, until I figure out what to do with the other truck I overheated, I've got another ambulance that needs some work, and I got to have a truck running.

This is the same config - 2006 E450 6.0 dually ambulance with 122K. Starts and runs; I drove it all the way to Houston from Minnesota when I bought it and made several shorter trips since with no problems except the AC compressor leaks freon. Then, I found oil in the degas bottle. A tech said it needs an oil cooler and he says there's some leakage at the rear main seal that's "common with this engine."

Can't recall reading a lot of rear main seal issues here. Is that right? Is oil cooler the obvious diagnosis for oil in the coolant?

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Ford 6.0L Power Stroke Diesel :: AC Compressor Making A Loud Growling Noise

AC compressor makes a loud growling noise and lugs the engine briefly when engaged at idle and the truck has been sitting for weeks. After that initial grind, it works perfectly and makes no harsh noises. Can I replace the compressor bearing or should I swap out the entire compressor?

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Ford 6.0L Power Stroke Diesel :: Glow Plug Light Came On - Lost Power - No Injector Cycle

Ok yesterday while driving my truck the glow plug light came on couple times and lost power but the light would turn off and power came back. It has done this before and it was the injector harness grounding out on the engine. I replaced that last time. I checked over the knew one and did not see any chaffing on the harness.

Now this morning I go outside to start it and I can hear my fuel pump and vacuum pump but injectors wouldn't cycle. It has also done this before but I could never figure out why. Last time I tore into it checking through my wiring harness and couldn't find anything. When I put it back together it started fine.

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Ford 6.7L Power Stroke Diesel :: 2014 - Gauges Would Not Cycle When Turned The Key On

On my 2011 the gauges would cycle when I turned the key on... My 2014 doesn't... Is there something wrong or has Ford changed the sequence? ...

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Ford 6.7L Power Stroke Diesel :: Idling For Hours?

I am an inspector and my truck is my office. I have my printer, computer and phone booster running off my 110v all day. Having issues with the 6.7 idling for hours?

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Ford 6.0L Power Stroke Diesel :: Stall Out While Driving For 2 - 3 Hours

I got a 6.0 in 2006 tow truck happens to be after using the truck for 2 to 3 hours the truck stalls out while driving can seem to figure this problem out , I change

ICP
FUEL PUMP
FUEL FILTERS
INJECTORS 1-3-5-7

Can't seem to figure it out...

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Ford 6.0L Power Stroke Diesel :: Long Cranking Time When Sitting For Over 5 Hours

2005 Ex with 6.0. It has been bulletproofed. But has had a long crank after sitting for over 5 hours. I was starting to think glowplugs but no codes, Then thinking FICM, nope voltage has always been good. After I run the truck for a few miles if I kill it. It would crank right up. No issues. Only happened after it sat for awhile. I knew it had to do with HPOP system since it took about 5 to 8 seconds to show over 500PSI.

The passenger side does not have a leak since the oil is to the top of ICP sensor. When I was going to remove it. So I took off the drivers side. I inspected the dummy plug. No issues there "they are the 12mm with teflon plugs" I inspected the stand pipe. No issues there either. I inspected the small test port on the top of the rail. No issues there either. So I decided to air test it. So I used my auto-ingenuity to close the IPR valve after I heard all the oil blow out.

Then after sitting with 120 psi of air for about 10 minutes. I hear a bubbling sound coming from the Drivers side Rail. It was a plug I have never seen mentioned here. It is at the back of the rail. I removed it and sure enough the oring is split in 2. I went to ford and picked up a new Oring it was like $4. It also looks like its a different material. I am still in the process of putting the truck back together so i have not started it back up. But I am pretty sure this was my problem.

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Ford 6.0L Power Stroke Diesel :: HPOP Test For Air Leaks?

How does one pressure test for air leaks??? Truck is a 04/04 F250 with 198K ICP sensor in the valve cover.

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Ford 6.7L Power Stroke Diesel :: Fuel Line Purge - Hard To Restart After Sitting For Couple Of Hours

I had to drop my fuel tank and as a result, I replaced the fuel lines from the underbed filter to the tank. After replacing everything, I purged, purged, and purged some more. With much difficulty I was able to get the truck running and it ran good. But, I have trouble restarting the truck anytime I let it sit for a couple of hours. It cranks and cranks and eventually fires, but with much difficulty.

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Ford 6.0L Power Stroke Diesel :: Truck Started Cranking Longer Than Normal To Start After Sitting For More Than 2 Hours

About 7 months ago my truck started cranking longer than normal to start after sitting for more than 2 hours. This went on for about 3 weeks, then it started normally again. (By longer crank time, i timed it between 5-7 seconds on average. Normal is about 2 seconds). Now it has started doing this again about 4 weeks ago. Now I'm thinking HPO slow leak. Yesterday all is good again. What should I be looking for as a starting point to fix this permanently? When it cranks longer, the icp stays at 0, the ipr goes to 77%. Then it just fires off. No slow build of pressure. You can see all my mods and updated parts in my sig. I wonder if one of the new dummy plug o-rings is starting to give up already after only 15k miles. (Batt voltage is at 13.9-14.2, ficm is at 49.5 steady).

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Ford 6.0L Power Stroke Diesel :: Coolant Leaks And Head Gasket Failure

Early 04 but 06 motor, Coolant filter, BPD EGR cooler, Head studs. I did use the search tool, overloaded with EGR cooler leaks and head gasket failure in the results.

Noticed ECT Spiking 217 (EOT 187)as went to post office,10 min run time from a cold start. Checked Degas a bit low, did my business and went home. Got home ECT 223 EOT(221) zero coolant in Degas and notice this mess. as well as puddling up under radiator.

I left the truck running and added some water to the degas hoping I could spot the leak, no love.

On our trucks do we have a weep hole for the water pump? I didn't notice any water or stains around it or the pulley. Nothing around the hoses either... yet.

Once it cools I am going to pull the fan shroud and look for a possible hole in radiator. Are there any other suspect areas?

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Ford 6.7L Power Stroke Diesel :: Missing Coolant / Overheat - No Signs Of Leaks

I have an 11 F350 6.7. It has just under 200K miles on it. The other day I was driving home, about 100 miles, and my truck's temp spiked. Not like a little spike, but jumped to the 3/4 mark (if there was one) then slowly kept rising to to the overheat mark. I pulled off onto the hard shoulder waited an hour or so to let it cool down, then finished the drive home. All the way home my temp gauge seemed like it was on some sort of drug. It would jump a needle width when I would have to accelerate, then slowly cool to normal after I got up to cruising speed.

Up until this point this truck has been exceedingly reliable. I pull a 13k 5th wheel once a month and drive about 40k-ish miles a year. I also had to refill my degas bottle up to the fill line. Took 2 gallons of Ford VC-3-B Coolant and water mix. After a short run to verify the problem, it took another 1/4 to 1/2 gallon of mix. But, no overheating. No signs of leaks anywhere. Just a strong scent of coolant on shutdown outside the truck. Pressure tested the cap, I don't have a way of testing the system pressure.

Data from Autoenginuity:

Engine Oil temp 195-202 Degrees
Engine Coolant #1: 188.2-199.5 Degrees.
Engine Coolant #2: 125.5-129.9 Degrees.

I have the full CSV file.

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Ford 6.0L Power Stroke Diesel :: Steering Surges While Driving Down The Road - No Leaks?

i am recently a new owner of a 2006 6.0 F-350. So like any other used rig, it has its quirks. So the one that is bugging me to s the steering. It has been surging hard while driving. It mostly does this when cold. It feels like it's bouncing back and forth then I have to stop and force it from lock to lock. Once I do this it seems to stop it till the next day. I checked the PS reservoir and it's full. The power steering pump looks like it has a slight leak but doesn't seem to be a major issue. The lines going into the steer box are clean and no leaks...

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Ford 6.0L Power Stroke Diesel :: Oil Leaks At The Front / Rear Side Of Engine

I have had a slight oil leak at the front of the engine for a while, and slight oil leak on the pass rear of the engine, and recently got a decent oil leak in the rear drivers side of the engine. I want to fix all three leaks if I can identify what is wrong.

Leak 1 : Front of the engine. This has been leaking a drop or two of oil every few days for over a year. Slight leak so I didnt worry about it. The leak is dripping from between the crank pulley and the engine. Is it likely the front crank seal is leaking, or maybe something above it?

Leak 2 : Rear of engine pass side. There has been a slight oil leak on this side of the rear engine for about a year too. It leaks about a drop of oil a day. I can see that the oil is all over the starter though.

Leak 3 : This just started and is a decent leak. It is dripping off the exhaust manifold as seen in the picture below and leaks a 6 inch circle of oil on the ground in a week.

Maybe leak 2 and 3 are connected? I tried to get a good look of the engine and without pulling anything off, I couldn't see any oil leaks on the top of the engine. I couldn't see the HPOP cover though because the turbo was in the way.

NOTE: I do park my truck in the driveway every day and our driveway is slanted quite a bit with the nose of the truck much higher than the back.

Here are some pics of the oil leaks:

Under pass side of truck, oil on starter : [URL] ....

Under the Drivers exhaust manifold : [URL] .....

Bottom front of engine, between pulley and engine : [URL] .....

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Ford 6.0L Power Stroke Diesel :: 2005 F250 - Message Center In Gauge Cluster Only Show Mileage And Engine Hours

2005 6.0L F250 Lariat. I picked up a couple weeks ago. The message center in the gauge cluster will only show my mileage (kilometres) and engine hours but nothing else.

Also the three buttons/controls to the right of the steering column don't do anything. I checked the wiring behind the dash and it's all plugged in... The other problem is the SRS light will flash on and off while driving.

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Ford 6.7L Power Stroke Diesel :: Slightly Higher RPM At Idle / 1100 - 1200

I noticed a slightly higher RPM at idle (1100-1200) with outside temps in the mid 50's after a 15 mile trip. I dont recall what it usually is, it just seemed to revving higher. What would say normal RPM's are on a warm engine.

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Ford 6.0L Power Stroke Diesel :: 2007 - Won't Start Intermittently - Running Slightly Rough

I just bought a 2007 6.0 with 239k miles on the truck, it has EGR delete and ARP head studs. When i bought it the owner warned me of injector stiction...

I drove the truck for about a week, changed the oil over to Rotella T6 with archoil, and swapped out the air filter so far. (previously was non synthetic rotella). I drove the truck 2 more times since changing those two items and then i had a no start issue.

Scanguage2 said it was FICM sync.....so i messed with the wire loom, and got it to start twice but it died right away. (it had ficm sync, then it died and went back to 0) So i ordered a CPS pigtail and was going to change it out today.

Today i went out and pushed on the CPS sensor directly, charged both batteries and the truck started rough but kept running after two times (still haven't changed the pig tail)

Now it starts but is still running rough.

Scangauge 2 Running:

IPR : 23.8
ICP : 581
FICM SYC : 1
FMP : 48.5

The only code i'm getting is P0269 which I'm hoping is only injector 3, a bad injector wouldn't cause all this would it?

I'm just trying to figure out what i should look at next.

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Ford 6.0L Power Stroke Diesel :: 2006 - No Start Intermittently / Slightly Low Compression On One Cylinder

Started having some crank no starts intermittently. Scanned and found codes for cam sensor. so I was in a pinch and a hurry on a sunday so I picked up a BWD brand cam sensor from parts store and installed. I have not seen this issue since but started noticing other thing going on. I noticed a few weeks ago my truck was starting a little strange. as it would spin over before firing off, it didn't sound right. I couldn't pinpoint if it was due to slightly low compression on one cylinder or one cylinder had a little fuel or oil in it and that one cylinder was actually firing while cranking over.

I also was noticing a little longer crank times than normal. didn't matter if engine was cold or hot. sometimes would fire up quick and sometimes it took a few seconds. most of the time I couldn't catch it on my scanegauge if the ICP was low due to the lag on the scangauge.

Well one day on my way home from work (50 miles one way) I stopped about half way to fuel up. after filling up and attempted to restart the truck it really acted like it didn't want to start but did after cranking for about at least 10 seconds and started rough. and of corse my scangauge decied to hate me this day because it would show any data until I unplugged it and plugged it back in. so started home. felt like it had a very very light miss on the way home. when I slowed down to turn onto my road the truck died. took forever to get it to start back up. this time the scangauge was reading and I could see ICP was between 300-400 and IPR was 85%. so low pressure and not reaching the 600 needed to fire. once it started I limped it home. scaned it with my Auto Enginuity and it didn't show any codes.

So that much I can see I have a leak on the HPO system. but I done a lot of work to the truck about 2-3 years ago. roughly 80k-100k miles since the work. what I done included...

OEM oil cooler
OEM (updated)dummy plugs, standpipes & STC fitting
OEM head gaskets and ARP studs
BPD EGR cooler (I should have deleted)
ALL other engine gaskets(Bed plate, oilpan, front&rear cover, ect.)
OEM glow plugs and harness
OEM blue spring upgrade
Cleaned turbo veins
2 OEM REMAN injectors. (cant remember which two) had contribution codes one on each side.

This is all I can remember right now. Now have yall seen the updated dummy plugs and standpipes leak? I have not pulled valve covers to air test the HPO system yet.(don't have my air compressor at my new house yet). Here is what I have done so far:

Fully charged batteries.
I did do a bubble test. pulled upper fuel filter cover off and removed filter topped the bowl off and turned engine over using the wire by the passenger side battery. some bubbles but not a bubble bath.
Checked fuel pressure (not running) its 60psi. did not start truck because I need a different fitting so I can run the truck and check pressure while running.
while doing the bubble test I could hear that one cylinder is low on compression. but I do not have any misfire or contribution codes.
when I ran contribution test on AE its not showing any particular cylinder lower than the rest. but the line is not very solid at all.

Here is what I plan to do.
Compression test on each cylinder.
Looking at the Harbor freight kit. Looks like it has fittings for glow plug and injector holes.
If I can do compression test on both glow plug and injector holes this should show weather my injector orings are the cause of the low compression.
Then I have to airtest the HPO system and find the leak.

Am I on the right track? what else should I check? Guess I should add that the truck currently has 297K miles.

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Ford 6.7L Power Stroke Diesel :: 2015 F250 - Slightly Slows Down When In Tow / Haul Mode While Braking

It's on my 2015 f-250....dont know if this is a new thing ..... I know my 2011 f-350 didn't have it..... Really hardly notice its working ....it slightly slows me down when in tow/haul mode while braking......

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Ford 6.7L Power Stroke Diesel :: Vibrating Sound When Turned Steering Wheel Slightly To The Right On Highway

For the past month or so I have had something strange going on. When driving between 65 to 70 on the highway, I've turned my steering wheel slightly to the right and if there is a cross wind or head wind there is a vibrating sound. And it does get loud. I don't really feel it in the steering wheel. Only when there is a wind. I haven't done anything new to the truck since winter.

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