Vauxhall Corsa heater not working

Car: Vauxhall Corsa
Variant: 1.2 se
Model Year: 2005
Categories: Leaks & Noises
The heater virtually stopped working suddenly. It produces a very small output of heat into the car. The heater fan is working 100 and produces a very good blast of air on full speed - but almost no heat. The engine thermostat has been changed. Engine coolant temperatures and levels are ok. I have been advised that the heater matrix may be blocked. Any advice on checking and clearing it would be welcome.
Posted: Oct 27, 2014 (10 years ago)
Check / replace heater control valve .
Posted Oct 27, 2014 (10 years ago)
Hi,
Many thanks for the suggestion. I'll do as you suggest. Regards, Johnnyboy100
Posted Oct 28, 2014 (10 years ago)
Before you replace heater valve , check flow in and out through valve to verify faulty .If not you could try flushing heater matrix .
Posted Oct 28, 2014 (10 years ago)

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