Ford 6.0L Power Stroke Diesel :: Hydroboost High-pressure Line Coupling Leak - Replaced ORing?
Mar 26, 2015
I've been watching fluid build up on what I think is the hi-pressure line on the hydroboost. It appears to be originating at the coupling in the line because it is dry back at the unit.
Is there an o-ring or nylon washer in this fitting?
Can it be tightened?
Does the o-ring or washer need to be replaced?
Is it a sign of something else, like a build up of pressure in the line that is too high?
I currently have zero problems or noise coming from the steering or brake system.
View 8 Replies
Advertisement
I've found everything there is to know about disconnecting the high pressure oil STC line from the oil rail on the early 6.0's, but I can't find anything about reconnecting them. Do you simply press it back on? Should there be an audible "click"?
View 14 Replies
I am doing the usual upgrades on a 2005 F250. What started as a small leak at the rubber coupling between egr tube and oil cooler turned into doing everything else while motor is down this far.
I am curious what the difference in the upgraded oil cooler is? Well besides not prone to failing as early.
View 4 Replies
I I have a pretty good o ring leak where the egr cooler meets with the intake. My question is can i replace the o ring without removing​ the intake. If so what is the process.
View 2 Replies
So I take my new (for me but used) 2007 F350 to the local Ford Dealer to have the oil changed, along with fuel and water separator filters. I even added some Archoil 9100 since it treated my 03 so well. Since I had no history of the last change I wanted to do it right away.
While its on the lift he notices a leak near the hydroboost. I think there on crack...but that's my opinion.
Anyways I look at it and I see a leak at one of the connections under the Master Cyl. Its the connection closest to the firewall. My question is there a oring in there that can be replaced or will I need to replace the entire part?
View 9 Replies
2007 F350... I noticed I have a small power steering leak where the master cylinder bolts onto the hydroboost. Is there a o-ring or seal between the two? or do I have to replace the hydroboost? Been looking online for a schematic but can't seem to find one.
View 13 Replies
Truck has a high oil pressure leak, only leak i have found is in the high pressure rail, I cannot get to it till sat, or sunday. So I have to let the oil cool before I can start. Any way testing to find the right temp for Oil to thicken enough to Build? I've been here for hours and its went from 180's to about 100 now...
View 3 Replies
I have a High pressure oil leak somewhere, and where it can be. I tore the oil rails out and replaced the nipple cup seals last night. I got it all back together and air tested it and sure enough a leak is present. I have no problem paying for your time (I always provide good beer). I can rebuild gas motors all day long, but these diesels has me thrown for a loop. The frustration I am experiencing is crazy at this point. All the injectors are new, and the dummy plugs and standpipes were replaced as well.
View 11 Replies
My 03' 6.0l hpop only makes about 1700 psi at wot, at hot idle the ipr is 25.1 and the icp is about 580. It runs pretty good but it seems the crank time to start is getting a little longer sometimes, other times it fires right up. It makes no difference if its hot or cold. Do pumps get weak or do you think I have a leak?....
View 1 Replies
I think I've tracked my power steering leak to some type of sensor on the pressure line, close to where it connects to the steering box:
I assume this is a pressure sensor? I got no CEL or anything like that when the fluid had leaked down to the level that the pump started whining pretty badly though. As far as I can tell by looking at pictures, the parts store replacement pressure lines do not have this sensor, or any provision to connect a sensor to it: Advance Auto Parts: Power Steering Pressure Hose by Powercraft - Part 71878
I may just put a replacement line on there and leave the sensor plug hanging and see what happens...
View 11 Replies
I have an 03 Accent. The all metal high pressure power steering line had a leak. So I bought a new one for around 70 dollars from Hyundai. This part has a curved shape and fits around the radiator. The old one was difficult to get off, but the new one is proving impossible to get on. I cant get it into place.
View 2 Replies
I just replaced my 3rd HP power steering line last night( 3rd in 300K, always blows the same point....fitting comes apart where it attaches to the pump.
I'll start, mine have gone about 100K plus or minus 10K, almost thinking about making it a 100K maintenance item.
View 14 Replies
Couple of years ago I installed a fuel pressure gauge. I wrapped the fittings with teflon tape. Well within about a year it started leaking. So I shopped around and used Permatex Permashield fuel resistant sealant on the fittings. It says diesel resistant on the package. Couple months later leaking again. So I take it apart again, clean every fitting and follow the instructions to the letter. Well its leaking again. What will resist diesel fuel under 55 psi pressure. All the fittings seem to be pipe thread.
View 7 Replies
I have a 2007 f350 6.0, just replaced the oil pressure sensor in January, now, my truck is surging like crazy! I heard it could be the ICP sensor, how easy is this to change? And where do I find it if this is the problem!
View 1 Replies
My AC went last fall. I saw signs of a leak in the high pressure line. Took it to the Nissan dealer last week and they diagnosed the same problem. They changed the HP line. Told me it was good, but when they pulled it up, no AC. They took it back in and said the low pressure line was leaking as well so they changed it. Still didn't work, although it was a little cooler but the compressor seemed pretty loud. Told me they thought it might be the thermistor. I bought the sensor and replaced it myself. AC seemed to work, but sure enough, it only blows slightly cool air and the compressor is still making a bit of noise.
View 2 Replies
Im replacing hydroboost and master cylinder and I cannot for the life of me get the master cylinder pushrod (which must be reused) out of the hydroboost unit. There is a spring, retainer and pushrod that I cannot get to release. I know it has to be very simple, I just cannot see how it releases.
View 2 Replies
I'm doing standpipes and dummy plugs. There is a 4mm plug with an oring and mine was trashed. What is the P/N?
View 13 Replies
2005 PSD 6.0L Excursion ... I suspect that have a fuel leak at the fuel line fittings near the driver side cylinder head. (I believe that it is fuel, since it is so clear, I guess I should collect a few drops and see if it burns vs. coolant.)
It appears to be at the junction of the fuel lines. This is the point where the fluid drops off the tubing and falls down. The clip that holds the two tubes together at the joint is very dirty, the one below them is clean. The tag on the line that is at the joint leaking is part number 3c34-9j338-ag. Is there a o-ring in side the joint? Do I need to replace both hoses of the joint? I can't find any posting of a history of this fuel line leaking.
Or... is it that the joint never fail, and the leak is up tube? I can't see any where it is coming out when viewing it from the top.
View 6 Replies
I just replaced my injector cups a month or so ago and also injectors with some lower mile injectors. but now 3 weeks later still not getting any pressure at icp. I have dead headed pump got 3k plus but when i block off ether head i get no pressure. i have pulled injectors and checked for orings and they are fine...
View 2 Replies
I recently had an upper radiator hose bust and ever since I have been having a slight water leak. It appeared to be coming from between the layers of rubber on the new hose which I replaced twice since the incident. Both hoses had water seeping from the same location. This afternoon I plan on doing a pressure test on the cooling system to diagnose where the water may be coming from.
My question is could a loss of pressure cause larger than normal Oil and Water deltas? If I have to replace the radiator is there a particular manufacturer or type I should avoid? Should I try to get a factory replacement from Ford or would an Autoparts unit be sufficient? The original is still in the truck now with 286,000 miles on it.
View 14 Replies
I have a leak in the fuel pressure regulator housing. Seems like a common problem. I ordered the new kit from FICMrepair.
While I wait for the new kit to arrive, is there any risk other than loosing a few mm of diesel fuel driving the van? Will the leak damage injectors?
It's not gushing out. I have smelled diesel fuel for the past 3 months and could not locate it until last weekend.
The kit is coming next week and I like driving the diesel van over my under powered 6 cylinder E150.
I want to clean out the EGR while I have everything apart. I have heard that some people just disconnect it. There is a write up about in the tech folder and it went way over my head.
View 4 Replies
