Ford Fiesta heater not hot as it should be

2002 Ford Fiesta Problem

Ref#19196
CarFord Fiesta 1.3 petrol hatchback
Year2002
Ownerfortyeight
Posted21/11/2015
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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
Problem Category
Engine, Cooling System & Drivetrain


Solution 1
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11466 | View Garage
Suggested Solution

Rad coolant fan not cutting in too soon ?


Posted on Saturday 21st of November 2015
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From Original Poster
fortyeight | Driver | Since: Nov 2015 | Posts: 0 | Fixes: 3 | View Garage
Suggested Solution

its working like this without the rad fqn working


Posted on Saturday 21st of November 2015
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Solution 2
1/4drive | Auto Insider | Since: Jun 2011 | Posts: 25 | Fixes: 1539 | View Garage
Suggested Solution

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 on Saturday 21st of November 2015
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From Original Poster
fortyeight | Driver | Since: Nov 2015 | Posts: 0 | Fixes: 3 | View Garage
Suggested Solution

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 on Monday 23rd of November 2015
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From Original Poster
fortyeight | Driver | Since: Nov 2015 | Posts: 0 | Fixes: 3 | View Garage
Suggested Solution

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 on Thursday 21st of January 2016
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