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- Bone
- Member Since: 07 Feb 2026
- Location: Sussex
- Posts: 1
Coolant tank replacement
Hi all,
New forum member here. Disco owner for a couple of years with 2017 2.0 HSE (it already had a replacement engine under LR warranty with the previous owner)
I have been getting repeated low coolant level alarms on the dash, but a check of the header tank always shows coolant at the correct level. It went in for it's last Land Rover dealer service a month or so ago with a request for them to investigate. They pressure tested the system, said no leaking and that was the end of their investigation.
My suspicion is that the float in the header tank is not longer very buoyant and is the cause of the issue. I have got a new tank here to install, and was just having an exploratory look at what is going to be involved.
Has anyone done this? Is there a preferred route to removing the old tank. It looks like its either a case or removing the airbox to give clearance, or removing the bumper / headlamp, to use the headlamp opening.
Open to suggestions for the 'simplest' way of tackling this.
Thanks
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- PRH
- Member Since: 15 Feb 2018
- Location: South
- Posts: 88
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Welcome to the forum and thanks for raising the question. I shall be watching this one with interest as I have had the same issue for a couple of years and it still flashes up on the dash…..
https://disco5.co.uk/forum/thread3821.html
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