I went to put adblu into the car today. This is the filler cap. It won't turn at all and I'm reluctant to twist it in case I break it. The handbook just says 'turn anti-clockwise'.


What am I missing?

Someone has probably spilt Adblue on the thread before putting the lid back on. When it crystallises, it sticks the lid in place.

It will need some brute force and ignorance to shift it. When it’s off, carefully dry the thread with a lint free cloth before putting the lid back on.

Last edited by Red Merle on 15th Dec 2019 5:24pm. Edited 1 time in total

And... make sure your car is on the flat, or pointing up hill. Point it down hill and it’ll airlock like a bast***

Cheers both! 17 MY Corris Grey 4.4 VAB
Silver MB R231 SL350

You’re welcome. While we’re at it, run it down to a 2,000 mile range remaining and it’ll comfortably take 10 litres.

& be very, very careful to not get the slightest drop on you - it really is disgustingly harmful vile stuff. 2003 Range Rover Vogue TD6

A 3/8 inch Drive or a 1/2inch drive from a socket set fit the cap to get it off easily. Range Rover Sport 2023 D350 Autobiography
Gone RR L405 Autobiography SDV8, RR L405 VSE SDV8, RR L405 3.0L VSE, RR L322 BM 4.4, RR Sport, RR L322 TDV8 Vogue, Disco 4, Disco 3 (2 off), Disco 2 and RR Classic & RR LSE

I put some white food grease on the thread wire. This way it doesn't clamp and you can easily open the cap next time. 2017 Range Rover Vogue TDV8 silicon silver
2011 Defender 90 2.4 TDCI Nara Exclusive
2008 Porsche 911 997 4S Black/black
1970 Porsche 911T 2.2 in restauration
1980 Toyota Land Cruiser BJ40 concours winner

All sorted. Yes - it's very ammonia smelling stuff isn't it. Just put about 2.5l of Adblu in. I read somewhere it doesn't keep if the container is opened. Is this correct? 17 MY Corris Grey 4.4 VAB
Silver MB R231 SL350

normally gives you advice on the container.. ... - .- -.




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