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Old 03-25-2019, 11:14 AM
TCDane TCDane is offline
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Default Coolant line connection behind engine.

I'm working on a 2001 Ford Ranger 2.3 for a friend. There are two coolant hoses that run along the drivers side of the engine and then disappear behind the engine. I think one travels along the firewall and connects in with the heater control valve. The other connects to the backside of the engine. The hose that connects to the back of the engine has a hole in it as is leaking. Two questions. Is there an easy way to get it off for replacement and what is the hose called. I'm having a heck of a time finding the correct part online not knowing what it is called. LOL!

Thanks everyone for your help.
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Old 03-25-2019, 11:25 AM
Dirtman Dirtman is offline
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Default Re: Coolant line connection behind engine.

If its the 2.3 dohc duratec, the proper repair procedure envolves removing the transmission. If you find an easier way please let the world know but I've never herd of any other way.

As for the hose assembly itself, there are two. One is called the rear coolant outlet pipe and one is called the coolant bypass hose. I dont have the part numbers on hand but they are still available by ford.
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Last edited by Dirtman; 03-25-2019 at 11:29 AM.
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Old 03-25-2019, 11:34 AM
TCDane TCDane is offline
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Default Re: Coolant line connection behind engine.

Quote:
Originally Posted by Dirtman View Post
If its the 2.3 dohc duratec, the proper repair procedure envolves removing the transmission. If you find an easier way please let the world know but I've never herd of any other way.

As for the hose assembly itself, there are two. One is called the rear coolant outlet pipe and one is called the coolant bypass hose. I dont have the part numbers on hand but they are still available by ford.
Thank you. That could be the worst news I've heard all day. LOL! I feel better about having such a hard time getting to it now though. I would have never guessed changing a hose was going to be beyond my tool set.
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Old 03-25-2019, 11:39 AM
Dirtman Dirtman is offline
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Default Re: Coolant line connection behind engine.

Unfortunately its one of the downfalls of the 2.3 dohc. The engine was designed to be used in front wheel drive cars (mounted sideways) so these hoses and other things WERE simple to fix in that mounting configuration. When ford stuck it in the ranger mounted lengthwise all those simple to fix parts became nightmares.

The EGR valve and PCV valve are also annoying but not as bad as those coolant lines.

Sorry to be the one to burst your bubble on this.
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Old 03-25-2019, 11:44 AM
RoberticusMaximus RoberticusMaximus is offline
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Default Re: Coolant line connection behind engine.

i've read anecdotes on this forum of people with your problem building their own plumbing successfully! this was several years ago tho. might be worth a search or two just to see
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Old 03-25-2019, 12:36 PM
TCDane TCDane is offline
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Default Re: Coolant line connection behind engine.

I removed the Intake manifold and I can at least see the connection at the front of the engine and at the back. What I'm not sure about is if there is a hose clamp I'm not feeling at the back of the engine or not. Even if there is getting pliers back there to take it off would be a magic trick in itself.
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Old 03-25-2019, 12:41 PM
RoberticusMaximus RoberticusMaximus is offline
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Default Re: Coolant line connection behind engine.

i believe it's one piece if i remember correctly
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Old 03-25-2019, 12:48 PM
TCDane TCDane is offline
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Default Re: Coolant line connection behind engine.

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Originally Posted by RoberticusMaximus View Post
i believe it's one piece if i remember correctly
A compressed fitting like what you would be used to seeing on a power steering line? That makes it even more difficult.
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Last edited by TCDane; 03-25-2019 at 01:25 PM.
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Old 03-25-2019, 01:14 PM
RoberticusMaximus RoberticusMaximus is offline
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Default Re: Coolant line connection behind engine.

hmmm line a crimped connection? i could see that. or you mean hose diameter? i'd imagine larger than a p/s line.

edit, my bad, i re-read your post, there's 2 lines and the one that connects to motor is leaking but the one that goes behind motor/over trans is not leaking? right? any chance you could grab a pic, that might help me or somebody else, referencing that pic Dirtman posted

Last edited by RoberticusMaximus; 03-25-2019 at 01:22 PM.
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Old 03-25-2019, 01:56 PM
TCDane TCDane is offline
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Default Re: Coolant line connection behind engine.

Quote:
Originally Posted by RoberticusMaximus View Post
hmmm line a crimped connection? i could see that. or you mean hose diameter? i'd imagine larger than a p/s line.

edit, my bad, i re-read your post, there's 2 lines and the one that connects to motor is leaking but the one that goes behind motor/over trans is not leaking? right? any chance you could grab a pic, that might help me or somebody else, referencing that pic Dirtman posted
Correct. The one going into the engine is split. The one going all the way behind it seems to be fine. I'll try to pull a part number off of it when I get home tonight. I'm betting Dirtman is right and it's 8A582.

The first pic is the connection at the front of the engine, the second is a clip it sets in about half way, the third is the trouble spot. No room to see or work between the engine and firewall.
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Last edited by TCDane; 03-25-2019 at 02:10 PM.
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Old 03-26-2019, 06:04 AM
TCDane TCDane is offline
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Default Re: Coolant line connection behind engine.

Confirmed the part number and was able to get my hand far enough back to feel the hose clamp. Now comes the excitement of figuring out how to get it undone in that little bitty space without the luxury of being able to see it.
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Old 03-26-2019, 07:36 AM
RoberticusMaximus RoberticusMaximus is offline
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Default Re: Coolant line connection behind engine.

maybe somebody peeping through the wheel well for you while you are reaching might help?
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Old 03-26-2019, 07:40 AM
TCDane TCDane is offline
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Default Re: Coolant line connection behind engine.

I'm looking at a pair of flexible hose clamp pliers now. I might be able to do it by feel with those.
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Old 03-26-2019, 07:42 AM
RoberticusMaximus RoberticusMaximus is offline
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Default Re: Coolant line connection behind engine.

sweet!
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Old 03-26-2019, 07:55 AM
TCDane TCDane is offline
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Default Re: Coolant line connection behind engine.

So for anybody else struggling with the same problem I think the answer to doing this if you don't have the ability to drop the transmission is to remove the Intake manifold, use flexible remote reach hose clamp pliers, and have very small hands.
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