Coolant Leaks 2016 LR4 SCV6

[aeo]

I don't know what it is with me and Rovers and coolant leaks.

The LR4 has a decent leak- I've had to top off the coolant a few times here and there. It was recently (last month) at the dealership for a multitude of things and one of the items that they quoted was related to coolant. They recommended:
FRONT COOLANT MANIFOLD IS LEAKING, RECC ALSO REPLACING REAR
* FRONT COOLANT MANIFOLD, REAR COOLANT MANIFOLD, SUPER CHARGER COOLER GASKET, S/C INTAKE GASKETS
They quoted $2393 to do the work. They are also 2 hours away. And they noticed some coolant around the water pump but it wasn't actively leaking. I feel like this should probably just be done when I take it apart for the manifolds and gaskets. I mean at this point...

So, I am looking for a parts list with correct numbers for these items and ideally some links to decent videos that show me the work. I cannot seem to find the rear coolant manifold. I have read that the front and rear manifold parts have since been made in aluminium and not plastic which sounds better to me.

Thanks,
Alex

 

[jymmiejamz]

I would definitely do this work asap because these motors will blow a head gasket very quickly when low on coolant.

The front pipe is pretty easy to do. You basically unbolt the supercharger and lift up the front of it while leaving it mostly in place to gain access to the lower outlet pipe. The rear crossover pipe is a pain. I usually pull the supercharger completely to do that job. There is a sensor on the drivers side rear of the charge air cooler housing (attached to the supercharger). I usually unbolt this housing and remove the supercharger, then you can easily access that connector.

 

[aeo]

I would definitely do this work asap because these motors will blow a head gasket very quickly when low on coolant.

The front pipe is pretty easy to do. You basically unbolt the supercharger and lift up the front of it while leaving it mostly in place to gain access to the lower outlet pipe. The rear crossover pipe is a pain. I usually pull the supercharger completely to do that job. There is a sensor on the drivers side rear of the charge air cooler housing (attached to the supercharger). I usually unbolt this housing and remove the supercharger, then you can easily access that connector.

TY.

I just ordered a kit with aluminum cooler housings. And I need to vac refill the coolant correct? Can I just get a vacuum kit from Amazon?

Local auto shop doesn't have Dex Cool. Can I use Zerex Orange 50/50 Antifreeze/Coolant to top it off? It is Hybrid Organic Acid Technology and same temp ranges as the Dex Cool.

​

 

[jymmiejamz]

Yeah any vacuum filler should work.

That coolant sounds correct to me

 

[aeo]

I would definitely do this work asap because these motors will blow a head gasket very quickly when low on coolant.

The front pipe is pretty easy to do. You basically unbolt the supercharger and lift up the front of it while leaving it mostly in place to gain access to the lower outlet pipe. The rear crossover pipe is a pain. I usually pull the supercharger completely to do that job. There is a sensor on the drivers side rear of the charge air cooler housing (attached to the supercharger). I usually unbolt this housing and remove the supercharger, then you can easily access that connector.

I've order the new pipes in aluminum and not plastic and am now watching videos on how to. The video (it's 2 hours) I've been watching removes the high pressure fuel lines and all kinds of other lines to even start on removing the supercharger. How much do I actually have to remove?

While I appreciate how thorough this guy is I also don't want to remove more than I have to. I have a tendency to break things. Especially expensive and hard to replace things.

 

[jymmiejamz]

You only have to remove the line that goes over the supercharger.

 

[aeo]

I would definitely do this work asap because these motors will blow a head gasket very quickly when low on coolant.

The front pipe is pretty easy to do. You basically unbolt the supercharger and lift up the front of it while leaving it mostly in place to gain access to the lower outlet pipe. The rear crossover pipe is a pain. I usually pull the supercharger completely to do that job. There is a sensor on the drivers side rear of the charge air cooler housing (attached to the supercharger). I usually unbolt this housing and remove the supercharger, then you can easily access that connector.

I am getting the guts to tackle this. How many hours would it take you to do front, rear, and water pump? I just want to get a ballpark of time- I'm planning to basically double whatever you say.

 

[jymmiejamz]

I'm probably the wrong person to ask because I've probably done hundreds of these. You should be able to do it over a weekend if you don't run into any issues. The worst part is going to be the rear crossover pipe. The warranty time to do all of that work is probably around 6 hours or less if I had to guess.