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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Heaters always cold?? » Post Reply

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greengoddess

 posted on 9th Feb 04 at 22:37

u might have an airlock in the heater matrix. When refilling your your coolant from empty u should always put the heater to hot so as when u refill with water it goes to the matrix as well, and u dont get any trapped air there.:D


Stueymac

 Icon depicting mood of post posted on 9th Feb 04 at 21:12

cheers ppl, thermostat it is then!!


Icy

 posted on 9th Feb 04 at 21:09

ah too late anyways lol
took it to a garage back then
was glad i got my heat back
but............ the wire attached to the heater nob snapped so was permanently at hot n couldnt turn it down :lol:


miles

 posted on 9th Feb 04 at 20:58

You dont have to flush the system, just top it up and run it at idle til very hot with the header tank cap off and heaters on. You wont loose much water from there as its at the top of the engine.


Icy

 posted on 9th Feb 04 at 20:50

was gona say about £6 too but forgot if that was for somethin else i bought :look:

tried to/asked how to change on here but has to flush the system etc am like :boggle: lol


miles

 posted on 9th Feb 04 at 20:43

About £60 from vaux as they only sell them with the housing.

I got a motor factor one for about £6.


Jonster

 posted on 9th Feb 04 at 20:41

nice one mate. will check it in the week. if it needs replacing, do I need a vaux one or can i get a patern one from halfords etc. any idea how much they are?


Icy

 posted on 9th Feb 04 at 20:40

thermostat!
thats it
thats wat packed in in mine
durin winter was feckin cold
windows always fogged up n couldnt get it away coz no heat

arent dear got mine changed :)


miles

 posted on 9th Feb 04 at 20:34

Nope. Just take the top rad hose off, undo the 3 bolts and swap it iirc.

Check if the header tank gets warm gradually, as the rest of the engine does, or if the rest of the engine gets hot with the header tank still being cold.

If its cold then gets hot after the rest of the engine is getting very hot then the thermostat is fine.


Jonster

 posted on 9th Feb 04 at 20:31

quote:
Originally posted by miles
thermostat failed open.


are these hard to change on a 16v engine?


miles

 posted on 9th Feb 04 at 20:29

thermostat failed open.


Stueymac

 posted on 9th Feb 04 at 20:29

Is that behind the dash? my heaters work, they just don't get hot, they blow out warmish air, not very warm though, usually freeze to death on the way to work.


Icy

 posted on 9th Feb 04 at 20:23

what about your heater matrix thingy


Stueymac

 Icon depicting mood of post posted on 9th Feb 04 at 20:18

I not long had a new head gasket fitted and evr since my heaters never go warm? I've checked all the pipes are attached and theres water but I can think what else it could be? b4 I changed the gasket there was loads of mingy orange gunk in the water tank and i'm thinking it may be this? do you think the pipes are blocked or is my heater just buggered?? opions please:(