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Discussion Starter · #1 ·
Hi there.. Just trying my luck - I know this is a subject that has been discussed a lot but I can't really find the answer I'm looking for. So Im not getting heat from the cabin heaters. I've checked the coolant level and thats fine, The fan blows so Its not electrical and I felt the heater matrix and thats hot. Does anyone have any advice of what the problem could be ? Air lock ? Faulty thermostat ? Something else ? Any response would be greatly appreciated and its getting flipping cold. Cheers
 

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I wonder if you can't adjust the temperature flap in the airbox?

Manual or auto heater controls?

If its the former has the Bowden cable snapped or come off? If it's the latter has the servo motor stopped working?
 

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Discussion Starter · #4 ·
Hey Ni
I wonder if you can't adjust the temperature flap in the airbox?

Manual or auto heater controls?

If its the former has the Bowden cable snapped or come off? If it's the latter has the servo motor stopped working?
Hey Nigel .. Thanks for your reply - I'll investigate what you say. The weird thing is that I'm getting a little bit of heat from the passenger side. I have to keep the fan blowing on level one so really slow and temp up full whack. so a little bit of heat comes through - do you think I should try to flush the coolant ? if there was an airlock wouldn't my engine be over heating ?Thanks

Joe
 

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Hi there.. Just trying my luck - I know this is a subject that has been discussed a lot but I can't really find the answer I'm looking for. So Im not getting heat from the cabin heaters. I've checked the coolant level and thats fine, The fan blows so Its not electrical and I felt the heater matrix and thats hot. Does anyone have any advice of what the problem could be ? Air lock ? Faulty thermostat ? Something else ? Any response would be greatly appreciated and its getting flipping cold. Cheers
Hi, I have a similar problem, 2002 MC (Auto AC) the thermostat seems fine, Temperature gauge stays in the middle after about 10 minutes, blower is working, both matrix pipes are red hot, flap is opening, Matrix gets boiling hot but still only warm air comes through. I will flush the system out with some cleaner and replace the antifreeze to see if this works. An old thread covered this same problem and they did everything apart from replacing the matrix and when they fitted a new one it worked properly. I think the fins inside the matrix are so thin that they must get blocked up easily as soon as the fluid gets a bit dirty. I'm going to do this at the weekend so hopefully it will just be warm enough to get me through winter as I will be selling the car very soon!
 

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Hi, I have a similar problem, 2002 MC (Auto AC) the thermostat seems fine, Temperature gauge stays in the middle after about 10 minutes, blower is working, both matrix pipes are red hot, flap is opening, Matrix gets boiling hot but still only warm air comes through. I will flush the system out with some cleaner and replace the antifreeze to see if this works. An old thread covered this same problem and they did everything apart from replacing the matrix and when they fitted a new one it worked properly. I think the fins inside the matrix are so thin that they must get blocked up easily as soon as the fluid gets a bit dirty. I'm going to do this at the weekend so hopefully it will just be warm enough to get me through winter as I will be selling the car very soon!
This may sound a bit simplistic, but have you checked the pollen filter? It needs to be clean and probably replaced every year. Simple job and the filter is under a tenner.
 

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Discussion Starter · #10 ·
Hi, I have a similar problem, 2002 MC (Auto AC) the thermostat seems fine, Temperature gauge stays in the middle after about 10 minutes, blower is working, both matrix pipes are red hot, flap is opening, Matrix gets boiling hot but still only warm air comes through. I will flush the system out with some cleaner and replace the antifreeze to see if this works. An old thread covered this same problem and they did everything apart from replacing the matrix and when they fitted a new one it worked properly. I think the fins inside the matrix are so thin that they must get blocked up easily as soon as the fluid gets a bit dirty. I'm going to do this at the weekend so hopefully it will just be warm enough to get me through winter as I will be selling the car very soon!
Have you tried flushing it yet ? I'm gonna try mine this weekend... And research the pollen filter !
 
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