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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Strange Pressure problem – no internal heating » Post Reply

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carnoisseurcraig

posted on 4th Nov 03 at 14:55

well done guys.
Good to see the forum being used as it should and not just people posting utter bollocks.


jordi

posted on 4th Nov 03 at 14:30

cheers guys, it worked, heating is back on and teh engine does heat up - Great suggestions


Gambit

posted on 24th Oct 03 at 13:32

make sure your heater setting/knob is set to max heat, otherwise you'll get another airlock!!

[Edited on 24-10-2003 by Gambit]


miles

posted on 24th Oct 03 at 13:29

I'll second what gambit said. Place to start anyway.

Drain all the coolent out of the system from the bottom of the rad, then stick a hose pipe in the expansion tank and let it flow through for a while. I then fill it up, run it for 10 mins or so, then drain again, to get all the dirty water out. Then refil with new clean water and antifreeze.

If you leave the engine running with the header tank cap off til the fan comes on then it should get all the air locks out of the system, also squeze as many pipes as you can go clear air locks.

note, dont put cold water in a hot engine.


jordi

posted on 24th Oct 03 at 13:25

Hi Gambit, sorry for my ignorance, but how do I flush the system? Is it just flush the water system and refill it with antifreeze? Is it covered in Haynes manual?


Gambit

posted on 24th Oct 03 at 08:17

sounds more like an air lock

i'd flush the system then refill it properly


jordi

posted on 24th Oct 03 at 08:13

Hi guys,

I have search the older posts but nobody seemed to have the same problem. I got my Sri about 10 months ago and always there has been a lot of pressure on the expansion tank even when cold. Last week, the internal heating was not working and the engine started to heat. I then stopped looked everything and release the pressure and everything want back to normal and the internal heating worked again.

This morning I noticed that the engine temperature was very low, below 90, and then a couple minutes later the internal heating was not working again. I stopped the car release the pressure and the engine temperature was back to more than 90 and the heating was working again.

Could it be that head gasket is gone and is breathing in? I am not sure because the car is not overheating.

Could it be an air intake problem? How do I know without taking to the garage?

Many thanks