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1.0 ecoboost fiesta. Coolant levels dropping slowly after brand new engine fitted.

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The car hasnt gone past normal operating temp, but when I fetched the car back I realised coolant was slightly below minimum so I went back and they topped it up. A few days and short drives later it looks like it has dropped again, but not yet below minimum. I cant see any visible leaks. Could this be an airlock in the cooling system and if so how long would it take to go?



  • Author

I think I may have found the issue? ... look like that may of rusted and the rust on the pipe below is caused by leaking coolant? never thought the metal pipes on these could go, mabye the hose but not the metal.

image.png

Widely reported problem, unfortunately. Long thread here:

 https://www.fordownersclub.com/forums/topic/95740-2013-10l-ecoboost-engine-rust-problem/

It's not that leaking coolant causes that rust, it seems to be a fault in the metal itself that is prone to corrosion in some vehicles. If the pipes become porous then you lose the coolant and bang goes your new engine.

 

 

  • Author

God damn it, I mean I didnt have to pay for the engine, I wonder about this.

We don’t know it’s leaking on those rusty turbo cooling pipes.  They are probably nothing to do with what you asked about but they might become any issue at a later date. They come as part of the turbo, can’t replaced on their own.  The Ford solution is to clean them up and paint them with some special paint. 

It could be that the condition of the pipes is coincidental, but the pipes and turbo get very hot and I guess any slight seepage would quickly evaporate.

Whatever, those pipes look pretty bad from your pic and need attention asap.

As you'll see from the thread I linked, cases that are not too bad can be treated by rubbing down and applying heat resistant paint. The official Ford fix is an epoxy paint. If the pipes are too bad for that, the only option is a replacement turbo, the pipes not being available as a separate part. 

Some members who had provable full Ford service histories got some assistance from Ford, even though out of warranty, as you will see.

 

 

  • Author

 

11 minutes ago, isetta said:

We don’t know it’s leaking on those rusty turbo cooling pipes.  They are probably nothing to do with what you asked about but they might become any issue at a later date. They come as part of the turbo, can’t replaced on their own.  The Ford solution is to clean them up and paint them with some special paint. 

Well i just assumed that a leak from the top pipe was causing rust on the bottom pipe but like Eric said the leakage could quickly evaporate so mabye that isnt it.

  • Author

I might be able to take it back to the dealer I bought it from they have been pretty helpful so far, paid for the engine. If they dont help then welp. Im past the 30 day limit but traiding standards said you get an extra week after repairs but idk how strong my claim would be at this point. I really wished I came here before buying it lol.

  • Author

This might sound like a dumb question but is turbo replacement an engine out job?

If the engine has been replaced, was it replaced with this turbo already fitted to the new engine? Or did they transfer the turbo off the old engine to the new one? In either case, judging by the state of those pipes, you might have thought they would have mentioned those rusty pipes, especially if they could lead to a more serious leak and in the worst case, a scrapped brand new engine....

  • Author
1 hour ago, martinf64 said:

If the engine has been replaced, was it replaced with this turbo already fitted to the new engine? Or did they transfer the turbo off the old engine to the new one? In either case, judging by the state of those pipes, you might have thought they would have mentioned those rusty pipes, especially if they could lead to a more serious leak and in the worst case, a scrapped brand new engine....

Ford supplied the engine but didnt fit it, the dealer mechanic did. Im gonna phone them tomorrow and assuming they deal with it theyll probs go back to ford again. Even if it does get fixed I wonder what else will go wrong with this apparent ***** car. Cooler tank? Radiator? heck mabye the doors will fall off.

16 minutes ago, country roads said:

heck mabye the doors will fall off.

Ford's aren't that poorly built!  It's only the door seals that fall off... :biggrin:

For info if you search this fantastic group you will find that a fair few fiesta owners have had similar issues with the above  pipes and have used strips of emery cloth to take off the surface rust, then treated it with hammerite  Kurust. Kurust on all rusted areas, then after drying time  painted with halfords very high temp paint using the smallest brushes you can find !! This has seemed to  do the trick when followed by other owners . I have followed this suggestion on my Sons Fiesta /pipes .

Hope this helps 

  • Author

Thanks, ill look into that but I am going to phone dealers first to see if they sort it. This car has made me a bit paranoid and I wanna see if I can get it done first.

18 hours ago, country roads said:

This might sound like a dumb question but is turbo replacement an engine out job?

Fortunately, no.

 

  • Author

Good that it isnt an engine out job. Are you sure they havnt started making the pipes to be replaced seperatly though, would make sense since its a common problem, I phoned them up and they talked about it like they could replace them.  Then again im half tempted to ask for a new turbo anyway cause knowing this car, the turbo wont be too far behind dying.

I don't know that turbos themselves are prone to failure.  At the moment you've got a brand new engine, so you're a big step ahead of a lot of ecoboost owners.

 

 

13 minutes ago, country roads said:

Good that it isnt an engine out job. Are you sure they havnt started making the pipes to be replaced seperatly though, would make sense since its a common problem, I phoned them up and they talked about it like they could replace them.  Then again im half tempted to ask for a new turbo anyway cause knowing this car, the turbo wont be too far behind dying.

Not heard of it so far. I guess it would be a specialist engineering job with possible high labour cost/risk of further damage versus replacement cost of complete unit with new or good used.

https://pumaspeed.co.uk/product-Fiesta-10-Ecoboost-Genuine-Ford-Turbocharger_17423.jsp

It would indeed seem to make sense and I had a search around out of interest when this topic first came up. The only thing I found was this ad from the States:

https://shop.phessio.com/product/ford-1-0-ecoboost-turbocharger-chra/?v=79cba1185463

If you look closely you can see shiny new pipes among the other components so I assume they may do it over there, which is not a lot of help to us.

  • Author

Didnt think changing a couple of pipes would be much risk assuming you make sure they are secure, and youd think ford themselves would have people that can do it. Although I am no engineer or mechanic so I might be talking crap haha. Assuming this is fixed hopefully it fixes the missing coolant problem and I dont have to go looking further. It just looked like to me that the hole on the top pipe has leaked something down onto the bottom pipe causing that rusty birdpoo effect lol

19 minutes ago, country roads said:

Didnt think changing a couple of pipes would be much risk assuming you make sure they are secure, and youd think ford themselves would have people that can do it.

How do you intend to attach the pipes to the cast iron turbo core securely?  You can't just Pritt stick them in lol... :biggrin: 

The metal pipes are machine crimped in under extreme pressure to the cast housing to form a gas/water tight seal that can withstand extreme heat. They are not in normal circumstances a replaceable item.

  • Author
8 minutes ago, TomsFocus said:

How do you intend to attach the pipes to the cast iron turbo core securely?  You can't just Pritt stick them in lol... :biggrin: 

I can use my immense grip strength to crimp them together 😆

  • Author
On 10/4/2022 at 4:15 PM, Eric Bloodaxe said:

It could be that the condition of the pipes is coincidental.

 

 

 

The coolant has stopped going down I think or at least slowed down a lots so mabye it was just an airlock in the cooling system after the engine was replaced. Either way do I want to get those pipes done though.

  • Author
On 10/5/2022 at 2:09 PM, unofix said:

The metal pipes are machine crimped in under extreme pressure to the cast housing to form a gas/water tight seal that can withstand extreme heat. They are not in normal circumstances a replaceable item.

Appraently they can be removed somehow then new ones welded on, not saying this correct but its what I got lol

4 hours ago, country roads said:

new ones welded on

The welding of cast iron is a highly specialist process and costly.

The welding of steel pipes to cast is impossible as is the welding of any dissimilar metals.

I would be very interested in seeing this process of removing the pipes and the fitting of new ones. Do you have more information ? 

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