Range Rover L405 (Fourth Gen) Talk about the Land Rover Range Rover 405 within.

Coolant Crossover Pipe vs Water Control Valve???

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Old Jan 14, 2024 | 12:51 PM
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RNG-RVR-18's Avatar
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Overlanding
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Angry Coolant Crossover Pipe vs Water Control Valve???

I have a 2018 v8 and recently discovered a coolant leak. I bought front coolant crossover pipes (2 parts, lower and upper) and upon replacing my lower pipe Looks NOTHING like anyone else’s that I see online so this is a huge WTF for me. What I have looks like the attached which appears to be a front coolant water control valve, item LR100352. The replacement pipes I purchased were marketed as a replacement for my model/year, item LR090630 and LR092992 yet apparently not. Given this appears to be have another line coming out of it, clearly what I have won’t work. Anyone experience this?


 
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Old Jan 19, 2024 | 11:15 AM
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I'm not sure what that part is, so I can't help you there unfortunately.

But, check out this place. https://euro-amp.com/collections/land-rover

They make aluminum crossover tubes to replace the brittle plastic tubes that LR uses. There's been some success with them on another RR forum. I'll go ahead and link that thread for you to read through - for research purposes. https://www.rangerovers.net/threads/...-pipes.355548/
 
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Old Jan 24, 2024 | 01:04 PM
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Overlanding
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Thanks Matt! I've got it figured out but discovered that no one makes this part in aluminum.
 
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Old Jan 25, 2024 | 08:13 AM
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What did you end up with? Did you have the wrong parts? I'm afraid ours is going to need some parts thrown at it in the future, so I'm open to all possibilities and learning. How hard/easy is it to get to the parts? Do you have a supercharger?
 
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Old Jan 27, 2024 | 11:31 AM
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I ended up replacing with OEM plastic parts since the aftermarket aluminum parts did not fit my 2018. More specifically the upper front crossover fit but the lower was completely different. Getting the parts was easy with the only challenge being most of the vendors posting incorrect compatibility information. I have a supercharger which as I understand just makes the lower part harder to get to. In conclusion, although I enjoy doing my own work I strongly recommend against doing so on Range Rovers, just take it to the dealership. Very little good info online and a PITA to work on. So bad that after owning 3 Rovers in a row spanning the 11 yrs my next vehicle will NOT be a Rover.
 
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Old Mar 5, 2024 | 11:20 AM
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Originally Posted by RNG-RVR-18
I ended up replacing with OEM plastic parts since the aftermarket aluminum parts did not fit my 2018. More specifically the upper front crossover fit but the lower was completely different. Getting the parts was easy with the only challenge being most of the vendors posting incorrect compatibility information. I have a supercharger which as I understand just makes the lower part harder to get to. In conclusion, although I enjoy doing my own work I strongly recommend against doing so on Range Rovers, just take it to the dealership. Very little good info online and a PITA to work on. So bad that after owning 3 Rovers in a row spanning the 11 yrs my next vehicle will NOT be a Rover.
I'm now in the same boat. Our 2014 is currently in the shop getting the first of a few repairs done. The top priority is the coolant tubes. I had made an appointment for the ball joints/control arms and a fluid leak. While waiting to take it in for those 2 issues, the crossover tubes decided to give out. Our shop didn't really trust the aluminum tubes, as they are still "new" and he can't warranty the work/parts. And, I doubt we have the car long enough for the new design to give out - so, we went with the plastic stuff. I agree with you though, if I can't get another D2, I wouldn't choose a RR. My wife, though, loves them... so, who knows what the future holds.
 
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