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Offline SJW

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Coolant volume
« on: November 28, 2020, 01:07:05 PM »
Just drained my coolant down as part of the 24k service and have only  managed to get 1.5 lts back in (minus the expansion tank), done everything I can to dislodge any air locks etc. on looking at old coolant and measuring it, I only got 1.75 lts out! drained down as per muddy sump vid and left overnight to drain .... any thoughts?

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Offline freeware

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Re: Coolant volume
« Reply #1 on: November 28, 2020, 06:22:32 PM »
Did you pull lower radiator hose down to drain the engine as well?
How much did you use to refill?

Offline SJW

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Re: Coolant volume
« Reply #2 on: November 28, 2020, 08:18:45 PM »
yep, all as per muddy sump, even left it overnight to drain down! 1.5 lts would all it would take (excluding expansion tank)
All ran up OK to temp.
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Offline freeware

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Re: Coolant volume
« Reply #3 on: November 28, 2020, 08:38:25 PM »
I've managed well over 2 liters in for refill but had the rad out.

Offline chuckxc

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Re: Coolant volume
« Reply #4 on: November 28, 2020, 08:58:03 PM »
I've had the  same problem a few times with the 2012 XC. Do your best to get the airlock out then check it each ride afterward. Eventually, with a top-up or two you'll be back to spec.
Laterally unstable unless moving.

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Online Djairouks

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Re: Coolant volume
« Reply #5 on: November 28, 2020, 10:52:39 PM »
When I crashed my 800 in may, they changed so many parts, they had to refill the cooling system
and about 10km after picking up the bike, I had a low coolant warning.
Went back and they said it can happen as it was fully drained,  so maybe just do a small ride staying
close by or pack the coolant, in the end mine needed 2-3dl to top it up.

Offline posty

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Re: Coolant volume
« Reply #6 on: November 29, 2020, 04:33:04 PM »
Yes I also changed coolant at 12k service and used Muddy Sump info - seem to remember I had to run the engine till cooling fan comes on after initial filling plus blip throttle a bit to circulate coolant, then leave to cool down and top up again

 


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