Honda Civic slow heater warm up

2002 Honda Civic Problem

Ref#11195
CarHonda Civic 1.6 sport
Year2002
Ownerdylanman
Posted15/12/2011
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On cold mornings after starting car it takes a long time before any warm air comes through to defrost screens. I changed the thermostat and worked well for approx 1 week but now back to cold air in the mornings. Engine warm with top hose to radiator hot and bottom hose cold. Run engine for approx 20 mins -- no heat. Take car onto road and drive for approx 1 mile before heat emerges through fan.
Problem Category
Engine, Cooling System & Drivetrain

Leaks & Noises, Interior and Bodywork

Running Rough, Starting & Power Loss


Solution 1
pockets1984 | Driver | Since: Dec 2011 | Posts: 0 | Fixes: 7 | View Garage
Suggested Solution

could be an air block/bubble in the system run the engine with the header cap off and if theres an air block it should work its way out obviously dont drive with the cap off


Posted on Thursday 15th of December 2011
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Solution 2
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11462 | View Garage
Suggested Solution

What is temp gauge showing ? Check heater hoses that go to matrix are both heating up o.k


Posted on Thursday 15th of December 2011
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Solution 3
Avantime4mike | Driver | Since: Aug 2011 | Posts: 0 | Fixes: 66 | View Garage
Suggested Solution

Strange that the replacement thermostat worked fine for a week, maybe that one has gone faulty too?


Posted on Friday 16th of December 2011
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From Original Poster
dylanman | Driver | Since: Feb 2011 | Posts: 0 | Fixes: 2 | View Garage
Suggested Solution

Hi again
The temp gauge shows normal . One of the heater hoses is warm whereas the other is cold.


Posted on Sunday 18th of December 2011
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