Ford 6.0L Power Stroke Diesel :: 2004 - Coolant Reservoir Empty / Leak Coming From Rear Of Engine?
Sep 17, 2007
While servicing the bosses 121k 6.0, I noticed the coolant resevoir empty. It took 1 1/2 gallons to bring to proper level. Returning under truck to install drain plug, I noticed coolant coming from rear of the engine(right side). And of course Ford has changed the cooling system cap, so I wasn't able to pressure test it to pinpoint the leak. Started the engine and seen coolant coming from the left rear as well. I've been reading here to see what others have been seeing, (EGR cooler, head gaskets). With all the heat shields,not much room to look.
After work I did go and buy the adapter to test the cooling system. With any luck I will be able to see leak better.
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I bought a 2006 E350 with a 6.0L diesel. Has some issues I hope to work through, or failing that I'll ditch the thing and learn a lesson.
The pressurized coolant reservoir has a crack/leak in it. Is it wise to only replace it, or should I look for a root cause? The temp gauge does not go past 50% pulling hard up a mountain pass.
This was a fleet vehicle that was pretty much abandoned. There is a chance the reservoir was cannibalized for another rig and had the bad part thrown there but I'll never know.
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I have coolant blowing out of my coolant reservoir when ever i hold it to the floor it does it with or without the banks programmer... 6.0L power stroke...
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I have a small coolant leak coming from the passenger side near the back of the engine that forms a spot about the size of a dinner plate if it sits for a few days.
One thing I noticed is if I turn off the AC selector switch when I park I will get the drip but if I leave the switch on MAX AC when I shut the truck off I do not get any leaking.
It is definitely coolant and not just the condensation from use of the AC. If I haven't used the truck for a few days or if I have run it with the AC off I will get the drips.
If I run with the AC on and leave the switch in the on position when I shut the truck off it won't leak. I have tried to locate it from looking above and below but can't determine where it is coming from.
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I did not run the truck for 5 months and the engine will not crank. I charged the batteries but when I turn the key nothing happen, I hear the glow plug system going but nothing else, starter does not click at all.
One thing that scares me is that there is no coolant left in the reservoir and I am scared that it went in the engine. I did have to add coolant last summer.
How can I first test the starter? Can I turn the engine by hand? If I push the truck, does the engine turn and can I tow it without damaging the engine if it is hydrolocked?
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I just purchased a used f250 6.0L a week after having it i noticed a small oil leak slowly got worse (looked as if it was coming from the too rear of the engine) then noticed about a half quart of oil under my truck. While driving it home the oil pressure gauge kept dropping then going back to normal then eventually dropping for good. The truck still ran so i drove it to take it to the mechanic but then the throttle began to become unresponsive and then gain power again then finally the truck shut off and wouldn't start again, blowing oil all over the inside of the hood and top of the engine. I checked it and noticed the pressure sensor pigtail were fraid so i replaced that along with the sensor and added oil but still wont start.
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I have developed a leak coming from the top, driver side, rear of my engine and I could not figure out where it was coming from. I took it to a reputable shop for diagnosis and they tell me that the rear leak is coming from the transmission lines.
The weird thing is I never thought the leak looked like ATF. They also told me that it looks like the stock radiator/cooler has been bypassed so I have no cooler.
Should I assume that the stock internal cooler failed and that is why the PO bypassed it? Also is there a decent write up on deleting these lines and running soft transmission lines to a aftermarket cooler?
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It has happened to me several times.. The car asks me for coolant but today the reservoir was almost completely empty... I have no leaks and my cooling systems is working fine so where does the coolant go?
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I spotted a leak last nite on my 6.0. It is coolant, running down the right rear on 2 metal lines that go to the trans I think. It was dark and 24 degrees so I did not spend too much time looking. Shut the mother down til I could research. 2004 250, 6.0 FX4x4, stock. Coolant was changed to green by previous owner. Bought it 4 months ago. 187,000 miles.....
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1999 Honda CRV. Just took a 3-hour highway trip. Before trip I topped up coolant reservoir which was a little low, but radiator was full. I did notice some dried white spots on the front of valve cover and spark wires. Wasn't sure what it was, but now realize it was coolant residue. Probably only 1-2 cups were missing from the reservoir, so the leak had just started.
After 3 hour trip, checked engine compartment again. This time the reservoir was totally empty (radiator still full) and the engine was well sprayed with greenish coolant residue. The radiator was cool by the time I checked it, so the leak source wasn't obvious, but it looks to be coming from the seam where the plastic top meets the aluminum.
I will replace the radiator when I get home, but first have to drive the 3-hour return trip. Will it be OK as long as I start full of coolant and keep an eye on the temp gauge?
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I was driving my 2008 Santa Fe last week (before I went on vacation) and noticed the the A/C wasn't coming through quite a cool as usual (almost felt like the vent was on w/ no AC). Then after about 10 minutes of driving I noticed the thermostat on the car get to about the 3/4 line pretty close to the red lines.
Luckily I was home so turned the car off and popped open the hood. I noticed the reservoir tank was empty and there was some coolant that dripped down on the fans & a small pool of coolant on the engine block right under where the oil is poured. (nothing has been dripping under the car)
I added a little coolant to the reservoir tank and the next time I turned it on and let it run for ~10 minutes, it was the same thing.
Anyway, I came back from vacation and opened the hood to try and identify exactly where the leak was, and ran the car for ~30 minutes, with A/C on full blast and the car didn't overheat or leak anywhere. Coolant tank was still full from when I filled it the first time.
What could have caused the leak/overheating in the first place?
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I noticed I was a bit low on coolant and started looking around. Found a drip on the serpentine belt and harmonic dampener. The T-stat is dry and was replaced 1.5 yrs ago with a full flush. Both hoses are fine and there is no coolant near the steering assembly.
I am figuring it is coming from the water pump. I am planning to put in that Bulletproof water pump and Mishimoto silicon hoses. Anything else I should consider before I dive in. I'll put a new T-stat on since the coolant is drained and it is cheap $20 insurance. BTW hoses and water pump are original (7/05 build date).
Additional information - no spots on driveway (from coolant anyway) and single drop on the dampener. No mess anywhere else and I am down about 1/2 gallon - degas is almost empty.
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I have a 06 f250 that has a coolant leak in the front of the engine. It's was leaking about a month ago replaced the water pump it stopped. Then about 2 weeks later it started back up again. It only happens when the engine is cold. But once it warms up it starts leaking again. I am confused as all get out on this.
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I have a pretty good leak coming from the front of the rear diff. is this a common problem on the 10.5 ? How hard are these to do without a lift? I still have warranty left but will have to swap out exhaust so its almost a toss up whether I do the seal myself. Also was considering a new posi unit because seems like the original is about toast, might be a good excuse to swap a new one in. 2009 with 95,000 on it. Bought it a year ago with 70,000 on it, the rear was dry till at least 90,000. I serviced the fluid at about 90,000 and didn't have a leak so now a couple thousand miles and its gushing???????
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Have been working on military diesels for years. I have a 2007 Ford F-250 6.0. I am currently waiting for a new oil cooler as I have oil coming from my coolant reservoir and no coolant in my crank. My question is I have been having my engine light coming on and off intermittently since deleting my EGR cooler.
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I have a coolant leak somewhere on the top of the engine running down to the oil pan and bell housing. I have done some research and discovered it could be the coolant inlet tube to the turbo.
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Traveling down the freeway doing about 80 the truck starts to sputter and then cuts off lose all power and gauges then Cuts back on rap back smoked out the back huge amount as I never seen before engine fully cuts off and lose all power no restart pull over the side pop the hood Reservoir has a blown coolant everywhere engine very hot get it towed home engine won't crank very well let it cool off more recharge batteries engine it only spent about 60 80 RPMs.
I have a fail CPS/ cam motion position sensor code coming up. Pull the valve cover and all rails off the both sides to check lifters and rods and everything seems normal and in place. My question is have I spun a bearing or is there something I went out worse checked EGR sensor and everything seems normal hasn't been steamed out or anything so I don't think it's a EGR or cooler. Also checked oil normal color no water. Also could it been a water pump going bad that made my reservoir let go and not egr or cooler?
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Back in February, received a light and discovered that the inverter coolant reservoir was empty. I refilled the reservoir and cleared the code. Today, only 3 months later, the same thing happened. I don't see any wet hoses, puddles, or obvious signs of leakage. Where all my coolant is going? What steps should I use to properly troubleshoot...
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I'm new to the diesel scene and I'm having trouble here i just replaced the head gaskets and did the head studs, also the EGR delete with oil cooler done all by me at home because I'm low on cash and the truck was pouring coolant through the turbo before due to overheating and bad egr and blown head gaskets i didn't have the heads checked before i installed them because I'm broke now and I need my truck but it wont start now and continues to spit and smoke coolant out the reservoir.
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Just finished doing my own heads on my 2005 Excursion 6.0L. Turned it on with really no problems. After running for about 5 min. it started smoking. I also noticed that I had some pressure in the coolant reservoir. I toke off the cap and it stopped smoking. I placed it back one and it started to smoke again. Oil has water now. I used ford head gaskets and ARP bolts. I torqued the bolts down to ARP's specs and torque pater, 210 lbs/ft. I also replaced the oil cooler, stand pipes, stc and the dummy plugs. Also from Ford. I don't know where I went wrong.
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I have a new *to me* 2005 F250 and last night I noticed there is a leak around the brake fluid reservoir where it connects to the frame of the truck. Everything seems to be in good order not sure exactly whats causing the leak. It only when driving and for a short while after shutting the truck down, everything seems to be in good order but still it drips a lot.
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