Heating not getting hot enough

2001 Vauxhall Zafira 1.6
Car: Vauxhall Zafira
Year: 2001
Variant: 1.6
Categories: Engine & Drivetrain
Hi i have a Vauxhall Zafira 1.6 and my heating only gets warm and never gets really hot like it should, i have changed the pollen filter and the thermostat and flushed out the system in case of an airlock.

It has improved the warmth in the car slightly but when i put it up to number 3 it goes cool and on number 4 it goes cold.

The carpets on passenger side are completely dry and it does not lose water/anti freeze so have been told it is not the matrix, any ideas please as i am lost now? Lol
Problem added: Feb 14, 2012 (12 years ago)
make sure the temperature control knob is working correctly. ie; is it opening/closing the necessary valve fully.
Not sure whether it`s cable operated?
Answered Feb 14, 2012 (12 years ago)

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