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Home > Faults & Fixes (L663) > ADBLU Tube/Connector leaking under engine bay
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mltncrg



Member Since: 29 May 2025
Location: Macao
Posts: 1

 
ADBLU Tube/Connector leaking under engine bay
Hello all. It's my first post here and new Defender owner!

So I've been driving my new Defender SE Diesel since February. Everything was fine except some rattle noises which I'd manage to find and fix. Though couple weeks ago, I set off to work round noon and it was only about a 10-15 minute drive. At the end of the commune, switched the car off, and I noticed there was smoke coming out from the driver side of the hood!! Opened it and saw there was a lot of crystallised liquid covering the left part of the engine, from pretty much the top to all the way down at the bottom (I've attached a picture). Was very paranoid it might set on fire as the engine was pretty hot as that point, called the local LR dealership and had the car towed to the shop. They checked, clean all the harden liquid, drove for a couple trips (around 20km each as I checked the LR app), they came to a conclusion that the liquid is in fact Adblu but they couldn't find the cause of the leaking issue, as they checked and the pipes and couldn't see any crack or damages. The dealership told me to get the car back first as they couldn't find any issue which they could fix. So they told me to just keep driving it daily and check couple times a week to see if there's future leakage. It's been just over two weeks since I've had the car back, and I noticed there is indeed a tiny amount of leaks from the same spot. I'm about to take it back to the garage for future investigations. But I would love to see if any of you have experimented any similar issue like this, or any advice would be much appreciated.

Thank you! And have a nice day!
Post #1068697 29th May 2025 2:23pm
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 3175

United Kingdom 
l've not heard of this before. How did you get on with it since than, have you had further leaks? I assume you'll only get a leak when the vehicle decides to inject Adblue. So not all the time.
Post #1069605 12th Jun 2025 9:10pm
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