2007 Vauxhall Zafira overheating

Car: Vauxhall Zafira
Year: 2007
Variant: 1.6 club - petrol
Categories: Engine & Drivetrain
My water tank bubbles up and spills out when engine hot if blowers are off but if I have the blowers on either hot or cold then can run ok, any idea why?
Posted: Jul 25, 2015 (8 years ago)
By "blowers" I take it to mean the heater in the cabin?
Well they will lower the coolant temperature some,
perhaps enough to "cool" the coolant down.
I'd be more concerned to see if the radiator fan is switching in/out.
Is it?
Posted Jul 25, 2015 (8 years ago)
As suggested , check engine coolant fan cutting in .Check / replace coolant tank cap .If still having problems , check for sticking thermostat .
Posted Jul 25, 2015 (8 years ago)
i have exactly the same problem was there a solution !!! as i have had the head tested / repaired skimmed, head gasket replaced, thermostat, coolant screw cap, new fan, new radiator, new water pump, still bubbles and water coming out the water bottle expansion tank
Posted May 23, 2019 (4 years ago)

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