Rear hoses coolant leaking

leandro

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So My 2014 mkt I noticed a leak coming from the rear muffler(driver side), when i checked today, its coming from the black hose or clamps that goes behind the quarter panel driver side. It connect to a silver pipe. its looks like coolant. any idea why is leaking? i am hoping its the hose or clamps only. will take it wednesday to check.
thanks
 

Looker

Junior Member
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My 2015 was putting out a lot of white smoke out of the rear tail pipes when under excelleration recently. It did it all the way down the street. I was out of town so I stopped and googled the closest ford dealer and started to drive there. When I took off again there was absolutely no smoke and I couldn’t get it to duplicate for the service agent. He said it could be the valve seals?
 

Sagar810

Active member
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Boulder, COLORADO
My 2015 was putting out a lot of white smoke out of the rear tail pipes when under excelleration recently. It did it all the way down the street. I was out of town so I stopped and googled the closest ford dealer and started to drive there. When I took off again there was absolutely no smoke and I couldn’t get it to duplicate for the service agent. He said it could be the valve seals?
I had this question recently in one of our local Colorado Ecoboost owners forum.

My problem, the car keeps smoking/steaming after it has completely warmed up/ even after 10-15 miles of driving.

I was told, the 3.5 TT has a lot of water vapor in the exhaust fumes hence the more than average smoke/steam coming out of the tailpipes. I have since then kept an eye on the coolant but dont see any cooland or oil loss. This has started happening since it started getting really cold here even at 5 in the evening when its time to go back home from work!
 

Sagar810

Active member
280
62
28
Boulder, COLORADO
So My 2014 mkt I noticed a leak coming from the rear muffler(driver side), when i checked today, its coming from the black hose or clamps that goes behind the quarter panel driver side. It connect to a silver pipe. its looks like coolant. any idea why is leaking? i am hoping its the hose or clamps only. will take it wednesday to check.
thanks
Did you get any answer? did u notice any coolant level drop?
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Looker

Junior Member
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I could kinda understand in your cold climate. Mine happened in sunny San Diego. I also remember my son saying something to me a few days earlier that my car was putting out a lot of smoke one morning. I didn’t pay attention thinking it was just the normal early morning condensation.

I’m purchasing that damn extended warranty in the morning so I can sleep well.

I had this question recently in one of our local Colorado Ecoboost owners forum.

My problem, the car keeps smoking/steaming after it has completely warmed up/ even after 10-15 miles of driving.

I was told, the 3.5 TT has a lot of water vapor in the exhaust fumes hence the more than average smoke/steam coming out of the tailpipes. I have since then kept an eye on the coolant but dont see any cooland or oil loss. This has started happening since it started getting really cold here even at 5 in the evening when its time to go back home from work!
 

leandro

Junior Member
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Did you get any answer? did u notice any coolant level drop?
So coolant is going down slowly, i took it to 2 shops today and both said its the heater core leaking. Now would that be a lot work to replace? They want to charge $350 all in. Thx
 

RedGeminiPA

Active member
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Altoona, PA
I’m not sure how a leak in the rear would mean you need a heater core up front... Try tightening the clamp. If it’s a crimp type, take it off, and get a screw clamp to replace it.
 

leandro

Junior Member
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I’m not sure how a leak in the rear would mean you need a heater core up front... Try tightening the clamp. If it’s a crimp type, take it off, and get a screw clamp to replace it.
Its not the front heater core, its the rear one. They told me is leaking from it.
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RedGeminiPA

Active member
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Altoona, PA
That’s interesting. I didn’t realize there are two of them. You may find some information on replacing it on FordFlex.net, as that’s much more active than this forum. Plus, the Flex has been around a tad longer than the MKT, and there are many more on the road, so various repairs are discussed there.
 

leandro

Junior Member
52
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6
That’s interesting. I didn’t realize there are two of them. You may find some information on replacing it on FordFlex.net, as that’s much more active than this forum. Plus, the Flex has been around a tad longer than the MKT, and there are many more on the road, so various repairs are discussed there.
Will check it out. Thanks
 

leandro

Junior Member
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I did notice my coolant was also low today. I have scheduled an appointment with Lincoln for Next week. Letc.
Dealer will charge just to check for sure. Good luck
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Sagar810

Active member
280
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Boulder, COLORADO
Did they find out why it was going down?
No I have the appointment scheduled for next Wednesday. They have taken the car in before for the temp gauge dropping as well and did all the diagnosis for couple of days ( I know, I saw most of it on my dashcam!). They did not charge anything. I always make it a point to take a video or photo to show them to prove that it is could be a 'genuine' concern.

I highly doubt they will get much when they dont have a code to go by, but its free so its worth a try.
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Sagar810

Active member
280
62
28
Boulder, COLORADO
Heater Core - Ford (AE9Z-18476-B) | OEPartsQuick.

This is the OEM part I found online. This with install 350-400 (2-2.5 hours of labor) would not be something of a ripp off. Just the part sounds totally overpriced.

Whats the mileage on your car? Did you ask how much the dealership is charging to do this? if it is just a 50-80 dollar difference to do it at a dealership, it would be worth doing it through them for parts and labor both warrantied at the same place.
 

leandro

Junior Member
52
0
6
Heater Core - Ford (AE9Z-18476-B) | OEPartsQuick.

This is the OEM part I found online. This with install 350-400 (2-2.5 hours of labor) would not be something of a ripp off. Just the part sounds totally overpriced.

Whats the mileage on your car? Did you ask how much the dealership is charging to do this? if it is just a 50-80 dollar difference to do it at a dealership, it would be worth doing it through them for parts and labor both warrantied at the same place.
Hey. Thank you for the info. Mileageis 185k. i I only quoted the part at dealer with is $180. I am going there tomorrow to get price to do it there, they wouldn't give it over the phone. I am guessing 500-600. Thanks
 

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