Ford Fiesta heater not hot as it should be

Car: Ford Fiesta
Variant: 1.3 petrol hatchback
Model Year: 2002
Categories: Engine & Drivetrain
changed thermostat,changed heater control valve,changed the hot and cold heater switch,flushed all system out ,matrix,radiator engine,bled the system,getting warm but heater not as hot as it should,any ideas ,cheers
Posted: Nov 21, 2015 (9 years ago)
Rad coolant fan not cutting in too soon ?
Posted Nov 21, 2015 (9 years ago)
its working like this without the rad fqn working
Posted Nov 21, 2015 (9 years ago)
Just about the only things left would be a blocked heater matrix core or a weak coolant pump.
An old trick for a blocked core was to reverse the hoses,
effectively back flushing the core.
And the remedy for a weak pump is replacement.
Posted Nov 21, 2015 (9 years ago)
it was reversed flushed till clean water came out all the heating system pipes are hot,it it had a week pump id have thought it would over heat
Posted Nov 23, 2015 (9 years ago)
problem solved took heater matrix off and flushed it in the bath more pressure than a hose plpe and a lot more gung came out also put in caustic soda and even more came out
Posted Jan 21, 2016 (8 years ago)

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