Ford Excursion :: 2001 V10 - Heater Hose Leaks
Oct 26, 2016
I've got a pretty substantial drip someplace at the vacuum heater valve and I am trying to figure out what I am dealing with. I replaced the valve and clamps but the leak persists. The three hoses are so close together I cannot tell which one is leaking.
What are the part numbers for the three hoses? There is one that runs from the intake/front passenger head to the valve that is just held on with clamps. One runs straight down to some sort of fitting and connects to a metal line. I think it may be a quick connect fitting. It is very short.
The third runs from the back of the valve to the firewall.
There is a fourth hose that comes back up from the "somewhere" below and also is a metal hard line with a fitting and rubber hose that goes "someplace" else back towards the firewall. Not connected to vacuum valve...
In any event, if I am going to rip into this, I'd like to just replace the hoses in one shot and done with it. No luck finding much on Google.
The 2 pics included show the valve and the front heater hose. ( I saved the OEM clamps by just sliding them back on the hoses as pictured. I figured if the valve and worm drive clamps didn't fix this I'd put them back on.)
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My heater core must have sprung a leak this week. Not that I need heat in this weather but just the smell of it while running the A/C just stinks. I know I am going to have to replace it myself but just for S&G, what would a dealer charge to replace it?
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I've got a 01 sbcc 2wd 5.4 gasser and I've gone thru 3 heater cores in 18 months. Is there something I'm missing?
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I have been encountering issues with my heater not providing hot air when the engine is idling. My Elantra has around 121K miles on it. I have not replaced the thermostat, water pump, timing belt, radiator, radiator hoses, or done any coolant flushes.
I checked the overflow reservoir and radiator. I didn't see coolant at top of the radiator so I topped it off as well as the reservoir. It seemed to have fixed the issue for now but I had this similar issue about 5-6 months back. I also topped off the coolant and things have been fine until now.
I checked the hoses and squeezed them to see if I could see any notable leaks but didn't see anything. I checked the overflow reservoir tank and line and nothing seemed out of the ordinary. I also checked the top of radiator to visually inspect for any notable cracks but didn't find anything. Also to note, the coolant inside the overflow bottle was bright green and not discolored.
I did however notice a lot of white chalky residue on the bypass hose below the upper radiator hose and the engine block. My guess is that my upper radiator hose is slowly leaking? Leaking in the thermostat assembly? And I also noticed a tiny puddle of coolant below the lower radiator hose at the engine block. See the pics below.
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It seems that the install of my Doug Thorley headers didn't go as well as I thought. Turns out the passenger side header melted the bracket holding the heater lines and then punctured one of the lines when it rubbed against the header. Right now I'm not sure what to do. I noticed the melted bracket and pulled the fender well, but that's when I noticed the leak. I guess some of the melted plastic was keeping it from leaking everywhere until I removed it. I live in AZ so the rear heater isn't really necessary so if a stop gap measure is to bypass it then I'm game but I can't find any info on how to do it. If the only real solution is to get the entire line replaced then I'm a bit hosed I guess. 2001 V-10 4x4 BTW.
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2000 Ford Expedition, XLT, 4WD, V8, 5.4 Liter. Had heater core bypassed, changed, am re-assembling, but need diagram for where all hoses connect on block, etc.
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Had a large puddle of coolant under my '05 X this afternoon after work. Seems it's leaking from the Y connection coming off the heater water control valve. See first pic.
I think it's part number 18472 (labeled with the circled 1) on left side in pic #2. Need to confirm this is the right part and the full part number?
Lastly, how the heck do you change this hose? It's tucked up under the cowl and looks like difficult.
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98 F150 2wd 5.4 -even though VIN says its "W" 4.6; it has a 5.4 with 4.6 timing setup-found. But that's a whole other story...
So, Replaced heater core. did the blend door too.
A week later it overheated and blew a heater hose off the core at the firewall (several times). Temp was up and down, forced me into cylinder head protect mode, so i called my mechanic.
Mechanic used a sniffer (blue liquid turns yellow) in my overflow tank and there was exhaust gas in it... so we replaced head gaskets, intake, timing, water pump, radiator and the rotted out rad support.
Got it done and back on the road, but a few weeks later and the heater hose quick disconnect blew off again, spewing coolant all over (again). This was what we thought was part of the original problem- head gasket allowing cylinder compression into the coolant passages. the little rubber hose that comes from the back of the intake and goes up into the heater core builds enough pressure to pop the disconnect right off and I dont know why. Like I said- I thought it was the head gasket blowing pressure into it but that's all been replaced. Why the pressure would be so high at that point, and how do I correct this?
This is my daily driver, so for now I've bypassed the heater core, but I'm afraid that pressure is gonna burst a hose and/or fitting again.
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I just wanted to share with you all about a coolant leakage problem I had experienced for a couple of days.
It all started a few days ago when I noticed the temperature gauge needle, which I hardly ever look at, began fluctuating in the hot region. I thought "oh my god" what is wrong? I then stopped at the nearest gas station and added some, I mean a lot, of water. My initial thought was the coolant level was too low.
The following day, I noticed the belts were squealing a bit (at that time I thought it was another vehicle with loose belts, but NO... it was mine making the belt noise). At that time, I did not realize it was because the coolant was leaking onto the belt(s). But then when I made a stop at a location for a couple of minutes, I returned to my Aerostar and noticed a trail of coolant leaking from underneath the vehicle.
I thought "oh my god" the water pump is busted! I then took it to a local repair shop and inquired about the cost to replace the water pump.
But after I inspected the vehicle more thoroughly, I noticed some dryed out green colored stuff where the heater hose connects to the water pump. I then removed the heater hose from the water pump and discovered to my surprise a tiny hole had developed where the hose is expanded from 5/8 to 3/4 inches.
My plan to repair the problem is to purchase about 6" of 3/4" heater hose (to connect it to the water pump), and a Gates or Dorman plastic adapter reduction fitting that reduces it to 5/8", in order to plug it into the factory original old heater hose.
This is an emergency repair. While inspecting the heater hose, I discovered an electrical connection that goes no where.
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What is the inside diameter of an '05 Escape heater core hose?
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Found a tee on the heater hose leaks when it warms up. Appears the PO had noticed it but put a hose over it and now is leaking around behind the valve cover. This is a hard plastic line around 5/16. No online parts show it as being available. Is there a fix for this ?
I would bet several others have had this problem as it lays right on top of the flange of the valve cover where I think it would rub a hole pretty quick.
1989 Ranger 4X4 4 cylinder....
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On the manifold there is a metal/steel pipe that the heater hose hooks to. That pipe is leaking anitifreeze. It has a small hole in it. Is this pipe replaceable or is it part of the manifold.
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Today I noticed a leak at the heater hose assembly at the right rear of the engine compartment. It appears to have special connectors and that appears to be where the leak is coming from.
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99 F250SD V10. There are two connections on the heater core at the firewall. Is there an 'inlet' and an 'outlet' or does it not matter? Put a cummins in the truck, the V10 has been out for a while and cant remember which one is which.
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When I fill up my washer fluid reservoir, about half of it leaks out somewhere near the front of the passenger door and falls to the ground. Where it could be coming from? Is the rear washer hose routed through this area?
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Wanting to no what the inlet and outlet ports for heater hoses on a chevy 350. I have a air gap intake with the the four water hoses 2 in the front and to in the back and of course the one on the water pump.
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Leaking from the top, right center. I taped over the brake light, still leaking. Not the gasket, any water sources others have found? I guess it wasn't a problem its first 8 years of life in the Arizona desert, but I bought it and brought to the wet northwest!
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I have a new hose I need to install because the one on now is cracked... I have pulled the metal clip down, but how do I remove this so I can install the new one? I don't want to break anything else yanking on it too hard.
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The leak looked like it was coming from a heater hose. The individual I bought it from said he fixed it and it wasn't leaking the day I bought it. Upon driving it home...cranked the heat up and windows fogged, switched to defog with no luck. Added some coolant and still the same thing and leak began again.
It smells like antifreeze inside and fog has oily feeling when wiping it off the window. Got in on the lift and no luck seeing where it was leaking from, even with it running. My previous experience with bad heater cores is that it leaks on the inside and smells like coolant... is it leaking on the outside or is it something else?
It's NOT overheating or blowing any kind of smoke. Temp gauge read normal! It's a 4.3L, 1994 Caprice LS .....
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A word of caution of to any 7.3 owner. If you have over 200K miles and dont know if the power steering hose has been changed, CHANGE IT!!!. Its a $30 part.
Mine failed while I was towing a 9000 lb boat. I am very lucky that it happened where it did. I was going slow and just came out of a curve. It was a beast to wrestle off the road out of the way with no power steering or brakes. It felt like there was NO brakes at all. All the what ifs scared the crap out of me if it had failed at a greater speed or curvy section of road.
I had inspected the hose in the past and the rubber looked good with no marks or gouges. The 90 degree fitting coming out of the pump failed!
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I have in the last 5000 miles had the timing belt changed and at same time the usual other item - water pump, Thermostat etc,, Engine has 155k on it.
I have had overheating issues that I thought was related to the viscous fan clutch and replaced that (it was bad) and the issue of overheating now just take longer to happen.
I have bled the coolant system and have good hot air out with heater - engine warms up within 1/2 mile of house. I am running right now Prestome all color antifreeze as it was overheating and and loosing liquid as a result.
In trouble shooting yesterday I find that when it now overheats it is leaking at the heater hose on drivers side of heater box. I have repositioned hose and clamp after bleeding it and it still overheats and with pressure build up leaks at this location - this happens when moving or when stationary.
With heat coming from heater box (both hoses get hot) and both fans working would this be bad thermostat? (again have heat) or a bad water pump?
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