What checks are needed to fix a heater blowing cold air on a vauxhall corsa?

What checks are needed to fix a heater blowing cold air on a vauxhall corsa L reg.
George McAuley, December 2004


done
Check for air locks, take top up cap of when cold & run engine til warm, top up ar required with coolant,

KEV, December 2004
yo g i think your in need of a new water pump.

MO, December 2004
link Click here to see other fixes for Vauxhall Corsa.