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Coolant Top Up Frequency

Discuss the problems with your X5 (E53).
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Zakbelle
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Coolant Top Up Frequency

Post by Zakbelle » Mon Jan 26, 2015 9:39 am

Hi I have noticed over the winter that I have had to top the coolant up about 3 times in 2 months after getting the check coolant warning message, It only takes half a litre at most to top up but does anyone have a handle on the frequency this should be topped up? Is it coincidental that its happening as the Webasto is running a lot more due to the outside temperature? I've never really had to top up on other cars before and I cant see evidence of leaks or oil contamination etc

Cheers

Craig

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X5Sport
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Re: Coolant Top Up Frequency

Post by X5Sport » Mon Jan 26, 2015 10:00 am

I very rarely ever had to top mine up.  Maybe once or twice in 5 years.
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briankerrys47
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Re: Coolant Top Up Frequency

Post by briankerrys47 » Mon Jan 26, 2015 3:55 pm

[quote="Zakbelle"]
Hi I have noticed over the winter that I have had to top the coolant up about 3 times in 2 months after getting the check coolant warning message, It only takes half a litre at most to top up but does anyone have a handle on the frequency this should be topped up? Is it coincidental that its happening as the Webasto is running a lot more due to the outside temperature? I've never really had to top up on other cars before and I cant see evidence of leaks or oil contamination etc

Cheers

Craig
[/quote]Have you checked the base of Expansion Tank !!

Zakbelle
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Re: Coolant Top Up Frequency

Post by Zakbelle » Mon Jan 26, 2015 4:22 pm

no haven't checked the base of the tank, just no obvious leaks. Just put 2 and 2 together with the more frequent operation of the Webasto (which I would like to isolate as it kicks out stinking fumes but that's another story)

Will keep looking

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Re: Coolant Top Up Frequency

Post by LooneyLeon » Tue Jan 27, 2015 11:46 pm

It might be worth popping the bonnet as soon as you get home from a decent drive, I had a tiny pinhole leak that I only spotted when doing this, my header tank was starting to fail.

The good news is if is the header tank that needs replacing your only looking at about £40 and 15 mins to change  :)
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briankerrys47
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Re: Coolant Top Up Frequency

Post by briankerrys47 » Wed Jan 28, 2015 12:45 am

[quote="Zakbelle"]
no haven't checked the base of the tank, just no obvious leaks. Just put 2 and 2 together with the more frequent operation of the Webasto (which I would like to isolate as it kicks out stinking fumes but that's another story)

Will keep looking
[/quote]I too could see no obvious leak,until topping up and dropped the cap which ended down back of bumper area

Zakbelle
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Re: Coolant Top Up Frequency

Post by Zakbelle » Wed Jan 28, 2015 7:12 am

Cheers fellas will take a close look this weekend

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