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Author Topic: Heater only blowing cold  (Read 9008 times)

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Kate

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Re: Heater only blowing cold
« Reply #30 on: 03 April 2015, 19:35:01 »

I've got to drive 600 miles next week. I wish I could get this sorted.
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Kate

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Re: Heater only blowing cold
« Reply #31 on: 04 April 2015, 23:57:40 »

Some problems are such are nuisance. Windscreen keeps misting up when it rains. ::)
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Steve B

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Re: Heater only blowing cold
« Reply #32 on: 05 April 2015, 00:35:39 »

But if you select windscreen only, do you still get air in the foot wells and out the vents?

I don't think so, I'll have to check.

Let us know the outcome when you do.....as its a critical key indicator as to the cause. :y

Right, I've just been out and tested it.

I put the blower on full, turned the temp to Hi and switched to windscreen only. The engine was at normal temperature.

Result:

1. A little cold air was coming through the front side vents.
2. Nothing came through the middle front vent.
3. Lots of hot air was coming through the rear vents.
4. I didn't notice any air in the footwells.
5. Some cold air was blowing on the windscreen.

I hope this means something.

Thanks very much for helping. :y
Ok ...Shot in the dark time  ;D ;D ;D

Can you control the heat in the rear vents...IE... On the panel... make it warm.....Make it Cool... Turn panel to low and get the air con on and make it omega cold ..

Second one...Can the seller shine any light on your problem like....Did he have it too ...Did it start on one side then in time it happened to the other... Did it just happen....  :-\
« Last Edit: 05 April 2015, 00:46:05 by BIGtime »
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Kate

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Re: Heater only blowing cold
« Reply #33 on: 05 April 2015, 00:41:38 »

Yes, if you turn down to Lo then it goes cold through the rear vents.

Thanks for helping. :y :-*
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Steve B

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Re: Heater only blowing cold
« Reply #34 on: 05 April 2015, 00:59:02 »

But if you select windscreen only, do you still get air in the foot wells and out the vents?

I don't think so, I'll have to check.

Let us know the outcome when you do.....as its a critical key indicator as to the cause. :y

Right, I've just been out and tested it.

I put the blower on full, turned the temp to Hi and switched to windscreen only. The engine was at normal temperature.

Result:

1. A little cold air was coming through the front side vents.
2. Nothing came through the middle front vent.
3. Lots of hot air was coming through the rear vents.
4. I didn't notice any air in the footwells.
5. Some cold air was blowing on the windscreen.

I hope this means something.

Thanks very much for helping. :y
Ok ...Shot in the dark time  ;D ;D ;D

Can you control the heat in the rear vents...IE... On the panel... make it warm.....Make it Cool... Turn panel to low and get the air con on and make it omega cold ..

Second one...Can the seller shine any light on your problem like....Did he have it too ...Did it start on one side then in time it happened to the other... Did it just happen....  :-\
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Steve B

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Re: Heater only blowing cold
« Reply #35 on: 05 April 2015, 01:03:23 »

Yes, if you turn down to Lo then it goes cold through the rear vents.

Thanks for helping. :y :-*
How about that one..  :-\

Its just that any history always can helps...

It helps others on here to get an idea of what they are looking at.. Therefore i Believe the more you give them the Quicker you get sorted...
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Kate

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Re: Heater only blowing cold
« Reply #36 on: 05 April 2015, 14:18:29 »

Yes, if you turn down to Lo then it goes cold through the rear vents.

Thanks for helping. :y :-*
How about that one..  :-\

Its just that any history always can helps...

It helps others on here to get an idea of what they are looking at.. Therefore i Believe the more you give them the Quicker you get sorted...

Thanks. :y

I'm not sure what other information I need.

The heater is working fine now but the heat only comes out of the rear vents.

What else do I need to find out?
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05omegav6

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Re: Heater only blowing cold
« Reply #37 on: 05 April 2015, 14:29:01 »

Needs plugging into a Tech2 to systematically check that everything is behaving as it should :-\

Could try swapping the climate panel as it contains the climate ecu...
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Kate

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Re: Heater only blowing cold
« Reply #38 on: 05 April 2015, 14:55:51 »

Needs plugging into a Tech2 to systematically check that everything is behaving as it should :-\

Could try swapping the climate panel as it contains the climate ecu...

Thanks Al. :y

Hope the job is going well.

Is that the bit with the buttons on it?
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05omegav6

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Re: Heater only blowing cold
« Reply #39 on: 05 April 2015, 15:39:32 »

Aye that's the oojamiflip :y

There is a software update, but whether it's had it or not is anyones guess...
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chrisgixer

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Re: Heater only blowing cold
« Reply #40 on: 05 April 2015, 15:59:21 »

I do not know what's causing this, but without tech 2 access I'd be looking at swapping the cc panel as a next step.

Assuming;
vac is applied to the hbv. (Is it worth removing the vac pipe just to see if it makes any odds? )
The reset has been done successfully.
The re circ button has been cycled in case the blend flap gets fuddled, as the service bulletin on TIS iirc...?
The vent flap motors are connected (or whatever they are, I've no exoerience of that issue, although I think it's a differant issue affecting left right? )
Auto is selected and ac on (Eco off)

If it's still not right after that lot, in the absence of tech 2 I'd swap the panel out for a known good one.

But ideally I'd want to ID the fault before touching anything, which does need tech 2.
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Kate

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Re: Heater only blowing cold
« Reply #41 on: 05 April 2015, 16:09:26 »

Thanks very much for your help. :y

Is it worth replacing the cc panel first or should I find someone with a tech 2?

This is a very strange problem. I've never come across it before.

My 8th Omega and there's always something new. ;D
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chrisgixer

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Re: Heater only blowing cold
« Reply #42 on: 05 April 2015, 16:12:36 »

Thanks very much for your help. :y

Is it worth replacing the cc panel first or should I find someone with a tech 2?

This is a very strange problem. I've never come across it before.

My 8th Omega and there's always something new. ;D

Seeing as nobody knows the answer to the problem, safe to say it's not a common issue. Interested to see what the fault is tbh.
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Kate

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Re: Heater only blowing cold
« Reply #43 on: 05 April 2015, 16:15:48 »

I think Tech 2 first is the way to go. I'll try and arrange something.
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chrisgixer

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Re: Heater only blowing cold
« Reply #44 on: 05 April 2015, 16:17:53 »

I think Tech 2 first is the way to go. I'll try and arrange something.

Thing is you need a guy who knows how tech2 works, which counts out most dealers.
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