2015 V6 coolant pipes done. Pics of old pipes

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Davidinseattle

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Okay, hopefully another one saved from oblivion. Just had Biggs in bellevue do the front and rear pipes. Honestly, I don't know which is which but assuming the front is the one with the problems? Here are pics. Curious to get your thoughts. Not worried if i replaced them for no reason as the peace of mind was worth the $1500 bill.
 

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ryanjl

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In your first photo, the rear crossover is the one on the left.
 

ryanjl

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Yeah.

Seems like that is where the front has issues a lot of the times. People report the inlets on the front crumble apart when they remove them.
 

Davidinseattle

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Yeah.

Seems like that is where the front has issues a lot of the times. People report the inlets on the front crumble apart when they remove them.
well, they were definitely crumbling. The tech put the pieces that fell off in the box with the parts. Our LR4 has 54,000 on it. So parts were in state of decay at what i would consider low mileage. That said, it is six years old.
 

zgpablo

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That’s a great piece of mind, I’ve known people who lost their (V8) engines to this issue.

My 2014 V6 here in Colorado is at about 65,000 miles. My local independent said he “looked” at it and it looks ok for now, but I’m not sure I want to trust it much longer.

Do the normally leak a little bit before they blow?

Is this a job for a home mechanic or are there too many steps and specialty tools?

I’ve done rotors and brakes and recently the vacuum cap that made it rev like crazy on every start… that was a bugger to get to.

My locals want over $2k for the job and I think it’s best to add the water pump at the same time?

What advice would you all give?

-Paul
 

Fuji4

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That’s a great piece of mind, I’ve known people who lost their (V8) engines to this issue.

My 2014 V6 here in Colorado is at about 65,000 miles. My local independent said he “looked” at it and it looks ok for now, but I’m not sure I want to trust it much longer.

Do the normally leak a little bit before they blow?

Is this a job for a home mechanic or are there too many steps and specialty tools?

I’ve done rotors and brakes and recently the vacuum cap that made it rev like crazy on every start… that was a bugger to get to.

My locals want over $2k for the job and I think it’s best to add the water pump at the same time?

What advice would you all give?

-Paul
They are almost surely brittle at this point. When and how they choose to leak depends on a multitude of factors. Vibrations, torque while off-roading, temp swings, etc. If you plan on keeping the car for more than 15k miles go ahead and pay the money. My 2014 v6 pipes were toast at 55k. Had not sprung a leak but disintegrated on removal.
 

Ryan00TJ

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Good post. Wife's 16' has 41k miles. I might look into replacing. What a crap design. My 496HO engine has a similar design coolant crossover. Guess what? It's aluminum with an o ring bolted flange where it mounts to cylinder head. It does not go bad.
 

Davidinseattle

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That’s a great piece of mind, I’ve known people who lost their (V8) engines to this issue.

My 2014 V6 here in Colorado is at about 65,000 miles. My local independent said he “looked” at it and it looks ok for now, but I’m not sure I want to trust it much longer.

Do the normally leak a little bit before they blow?

Is this a job for a home mechanic or are there too many steps and specialty tools?

I’ve done rotors and brakes and recently the vacuum cap that made it rev like crazy on every start… that was a bugger to get to.

My locals want over $2k for the job and I think it’s best to add the water pump at the same time?

What advice would you all give?

-Paul
From what I'm seeing on ours with less miles, I'd go ahead and replace them. At least I'd do the front which I imagine is a much easier DIY than the rear? honestly, our rear pipes look great.

as for leaking, ours did not, but every time my wife pulled into the garage, I could smell coolant. had it pressure tested and nothing. I suspect if was just enough making its way out to give the tell tale smell, but not enough to register in our reservoir. And, it was likely just evaporating on the engine so there was never a trace.
 

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