Coolant temp sensor
VAUXHALL Frontera Mk II (B) Off-Road (U99)
3 
186 
08.01.24 Back to topics
Cap on expansion tank
VAUXHALL Corsa Mk III (D) Hatchback (S07)
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@user_2266671 Feb 22, 2024MemberHi , I’ve just noticed I’m losing coolant on my corsa, NoObvious leaks , I started with the easiest check which was with the coolant tank cap , The seals seemed fine bit the internal fitment wasn’t springing back and forward , I was told it should , Could that be the issue ? Thanks
Reply 22.02.24 
10.03.24 -
@Speoccou Feb 22, 2024MemberIf it were squeezed out from under the cover, I think there would be drips, then you need to check the entire system; from the description it is difficult to tell exactly where the leak might be.Reply - VAUXHALL Mokka / Mokka X (J13) 1.4@Mr Mokka Mar 10, 2024MemberHi, hope you have it sorted by now as this post if the 22nd of Feb.I’m working on my daughter’s Astra J 2010.
This was a Facebook market buy, not sure why she did that.
Anyway, I found the Cap to be bad around 90c and would leak from there.
This was due to overheating and also found the thermostat to be bad adding to the issue.
This also included a small leak from the thermostat housing which only occurred at high temps.I hope this helps if you have not resolved this yet and I agree with (Speoccou), check your whole water system to be sure.All the best.Reply
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