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Coolant leak from metal pipe behind water pump. 

 

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 Post subject: Coolant leak from metal pipe behind water pump.
Posted: Mon Apr 05, 2010 12:52 pm 
Oompa Loompa
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Location: Werribee
VIC, Australia

I've noticed my car (EL XR6) started leaking coolant yesterday, after a while of searching i found it to be leaking coolant from the metal pipe where it plugs into the back of the water pump?

I've read that it's probably the O-ring on it's way out.
Is this an easy job to fix or annoying?
And how do i go about doing it?
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 Post subject: Re: Coolant leak from metal pipe behind water pump.
Posted: Mon Apr 05, 2010 12:59 pm 
Fordmods Junkie
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sterps wrote:
I've noticed my car (EL XR6) started leaking coolant yesterday, after a while of searching i found it to be leaking coolant from the metal pipe where it plugs into the back of the water pump?

I've read that it's probably the O-ring on it's way out.
Is this an easy job to fix or annoying?
And how do i go about doing it?


it's pretty annoying. Mines been leaking for a year or so now...i just top up with distilled water when needed. you'll have to remove some brackets and the pull the pipe out, however the brackets are a b**ch to get to. I think there's one under the exhaust manifold, another behind the engine...probably most annoying to get to...and I think another one just before it connects to the heater by-pass section. Since it is a steal tubing, it is a b**ch to maneuver.

But yes, possible O-ring failure.

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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 Post subject: Re: Coolant leak from metal pipe behind water pump.
Posted: Mon Apr 05, 2010 1:13 pm 
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there is also the chance that the pipe has rusted through where the o ring goes..
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 Post subject: Re: Coolant leak from metal pipe behind water pump.
Posted: Tue Apr 06, 2010 12:36 pm 
Getting Side Ways
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Its a nightmare job, been there done that. I would get some roof grade silicone, and lather it around the leaking o ring area(after cleaning the surface) let it dry and it should stop it. I did it for a mate 4 years ago, and its still good as gold.
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 Post subject: Re: Coolant leak from metal pipe behind water pump.
Posted: Tue Apr 06, 2010 12:48 pm 
Smokin em up
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yeh mate worst possible job ever, ended up taking the head off to get the pipe out it was just too hard to get out, from what ive noticed almost all the pipes end up rusting and then leaking, so if you do decide to replace it, then buy brand new a new one from ford think it goes for bout 80 bucks.
good luck.
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 Post subject: Re: Coolant leak from metal pipe behind water pump.
Posted: Tue Apr 06, 2010 12:59 pm 
Stock as a Rock
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wouldnt it be easier to just remove water pump, replace o-ring, and put back in?
we did it this was the other day.
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 Post subject: Re: Coolant leak from metal pipe behind water pump.
Posted: Tue Apr 06, 2010 1:01 pm 
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ive change the pipe before as it was rusted and didnt need to remove the head..
just had to remove the exhaust manifold,
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 Post subject: Re: Coolant leak from metal pipe behind water pump.
Posted: Tue Apr 06, 2010 3:42 pm 
Fordmods Junkie
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James84 wrote:
wouldnt it be easier to just remove water pump, replace o-ring, and put back in?
we did it this was the other day.


water pump has 2 gaskets sandwiched between water pump, steel gasket and block. If you manage to remove the pump without tearing the gasket between the pump and steel gasket, then it would be easier, but the chances of that is pretty low. Once you tear the gasket, it is hard to replace since you can't put one in unless you pull the water pump apart...I mean you can cut a new gasket at one point and slip it on and use extra sealant...but probably won't guarantee best seal.

I always wondered if it's worth having a flexible heater bypass line made up...

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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 Post subject: Re: Coolant leak from metal pipe behind water pump.
Posted: Wed Apr 07, 2010 12:20 am 
Getting Side Ways
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SA, Australia

its not that hard to do - its been a while since i did mine but i think to get better access i undid the p/s pump and swung it to one side

remove exhaust manifold if ya got a standard one and undo clamp at rear of block and pull the pipe back towards the firewall - if ya got extractors u dont have to remove

clean it up with some emery cloth and use a new o ring and some high grade silicon sealant

if the end is rusted and corroded away fraud do sell a replacement tip piece - just cut the damaged bit off and slide on the new bit on with some sealant
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