Vacuum in expansion tank
2017 Vauxhall Vivaro 1.6 bi turbo minibus

Sheila Rigby
1 points

Problem added: Apr 2, 2021 (2 weeks ago)
Cockpit alarm sounds when driving after less than 10 miles but when engine is warm STOP flashes up on dash but doesn't stay on.
I release vacuum in expansion tank so it refills with the pink coolant.
It was bled a few weeks ago, but hasn't solved the problem.
There's also a sort of ticking in the dashboard area, not sure its related as I've just had a leisure battery fitted?

Car details
Car: Vauxhall Vivaro
Variant: 1.6 bi turbo minibus
Model Year: 2017
Replies and Fixes
18,352 points

Apr 2, 2021 (2 weeks ago)
Could check your thermostat , may be sticking .If not that and it is the coolant reservoir you are releasing the vacuum in and you had to have system bled , carry out a block test on cooling system .
You should not have air in cooling system . Check and top up your coolant when engine cold .If it persists with air in system the block test will verify if possible head gasket leaking .
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