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a truck
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Discussion Starter #1
Ok so I just got my truck back from the dealer after having a decent amount of work done. Now the past couple days Ive been noticing a small puddle under the truck. Now it only leaks once a day and Im out with the truck multiple times a day but when it leaks its a decent size.

Its gotta be coolant, The leaking fluid has a gold tint to it.

It seems to be coming from the front drivers side of the engine, I cant see it from the top. I cant see exactly where it starts from the bottom either but can trace it up pretty far.

Anybody have an idea what it could be? If is a loose clamp or something Im sure I could reach it so I can save a trip to the dealer, any input is appreciated.

I tried to get some pictures but they arent the best, you can see it dripping down the wiring that Ive zoomed in on.


 

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If it aint a CAT itsa DOG
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4,553 Posts
heres a bump for you matt. Not real sure where to look on a 6.4. Sorry you've had so many issues with that thing.
 

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a truck
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Discussion Starter #4
Thanks guys

alright so after looking at it more closely it looks like the leak is coming from the EGR cooler on the drivers side of the block. Looks like its back to the dealer. I guess the coolers may need to be replaced? They already have been once
 

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Thanks guys

alright so after looking at it more closely it looks like the leak is coming from the EGR cooler on the drivers side of the block. Looks like its back to the dealer. I guess the coolers may need to be replaced? They already have been once
Do they not hace hose clamps on the EGR coolers? Never looked at the 6.4's but I know the D-Max has 2 hoses that go to the cooler and are just regular hose clamps that hold them on.
 

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a truck
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13,142 Posts
Discussion Starter #6
Do they not hace hose clamps on the EGR coolers? Never looked at the 6.4's but I know the D-Max has 2 hoses that go to the cooler and are just regular hose clamps that hold them on.
Im not sure Ill have to go look at it again real quick.
 

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a truck
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Discussion Starter #7
It does have the regular hose clamps but I cant see any hint of coolant leaking from where the hoses connect
 

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do you have any updates. mine is doing the same, and im taking it to the dealer in the morning.
 

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a truck
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Discussion Starter #10
Im planning on taking it to the dealer tomorrow but all the sudden today it wont leak at all. I have no freaking clue why. Ive topped off the bottle cuase it was leaking a lot and now it wont at all, Ive been driving it a lot today to see if it would do it
 

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Mine was the Water Pump Today. Looks like the puddle is in a similar place. Main coolant trail on mine worked its way down until it dripped off of the oil pan. Just took mine to a reputable auto shop by my house so I didn't have to strip the truck down to take it in, plus they did it about 4 days faster and half the price. 55,000 miles and Water Pump goes out 2 radiators and I always here about radiator hoses on these things. I don't think I'm too far off in saying the coolant system sucks on these things.
 

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I had my water pump changed. He said it was hitting the cover. Try to get them to change the water pump cover if it is damaged at all. The pumps eat out the cover and that lets coolant into the oil.
Low coolant levels might take out the pump. I had that. Low levels from bad thermostats,egr coolers, venturi tee in backwards.
 

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a truck
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Discussion Starter #13
Well dealer just called and said that my o ring on the upper radiator hose where it couples to the t stat was bad, so its all fixed and ready to go
 

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Never mind, it sounds like you got her fixed. Hopefully it lasts a while this time.
 

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a truck
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Discussion Starter #15
Yeah me too, at least this was just a one day fix. Now I have to go take the DPF and stock intake back off after putting them back on this morning.

Oh well saved me another 160 bucks so it was well worth it
 

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as many trips as your making to the dealer, you ought to be able to switch intake and exhaust out in a short time.
 

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a truck
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Discussion Starter #19
as many trips as your making to the dealer, you ought to be able to switch intake and exhaust out in a short time.
haha oh yeah, Ive got it down to under an hour now by myself. lol Intake is a piece of cake, the pain is moving that obnoxious DPF around and just load the stock tune while Im doing all that
 

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A know issue I guess. They have a new type hose right?
 
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