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Condensation and the matrix!
#1614628
17/01/2018 21:54
17/01/2018 21:54
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Joined: May 2009
Posts: 343 bristol
mr_nobut
OP
Making a profit
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OP
Making a profit
Joined: May 2009
Posts: 343
bristol
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Car been suffering really badly with condensation recently. It's worse when I put the heat on and did notice a drop in coolant. Suspected a leaking heater matrix blowing damp air around so today printed out of the 'how to' and had a go.
Bit of a pig of a job but got it out and new one in (with new seals) and it's not leaking and blowing nice hot air..
The only issue was the old one looked fine and there were no obvious leaks or corrosion on it!! it didn't look like it was actually leaking...?
Hopefully that was the culprit but what else might cause really bad condensation? Ta
inky goodness!!
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Re: Condensation and the matrix!
[Re: Edinburgh]
#1614734
19/01/2018 16:21
19/01/2018 16:21
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Joined: May 2009
Posts: 343 bristol
mr_nobut
OP
Making a profit
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Making a profit
Joined: May 2009
Posts: 343
bristol
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Edinburgh, there was a bit of wetness on the funny little bit of carpet that covers the airbag module in the middle but not as much as I would have thought, footwells are dry but there might be a drip from passages door seal. Have checked the door membrane but nothing obvious. Also plumped up boot seal with electric flex, only other area is the sunroof even though that has a new seal too...out of ideas!! Hopefully the matrix was the issue!!
inky goodness!!
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Re: Condensation and the matrix!
[Re: Edinburgh]
#1614981
25/01/2018 15:15
25/01/2018 15:15
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Joined: May 2009
Posts: 343 bristol
mr_nobut
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Making a profit
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Making a profit
Joined: May 2009
Posts: 343
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My windscreen clears lovely now even with heat on. The heating also seems to be much more steady (used to be really hot or cold)…much improved. Only issue now is the sunroof stated leaking/dripping so suspect the massive amounts of condensation was partially the matrix but also the sunroof it seems….roll on summer!
inky goodness!!
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Re: Condensation and the matrix!
[Re: mr_nobut]
#1614984
25/01/2018 16:31
25/01/2018 16:31
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Joined: Mar 2007
Posts: 16,662 Auld Reekie
Edinburgh
Club President, member225
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Club President, member225
Forum veteran
Joined: Mar 2007
Posts: 16,662
Auld Reekie
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My windscreen clears lovely now even with heat on. The heating also seems to be much more steady (used to be really hot or cold)…much improved. Only issue now is the sunroof stated leaking/dripping so suspect the massive amounts of condensation was partially the matrix but also the sunroof it seems….roll on summer! Yes, the temptation to start inspecting the seal is definitely worth resisting until you get at least one whole dry day!
BumbleBee carer
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Re: Condensation and the matrix!
[Re: robcal]
#1615006
25/01/2018 23:13
25/01/2018 23:13
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Joined: Mar 2007
Posts: 16,662 Auld Reekie
Edinburgh
Club President, member225
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Club President, member225
Forum veteran
Joined: Mar 2007
Posts: 16,662
Auld Reekie
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When my blowers are on anything bold cold, there's an awful smell of antifreeze. Is that likely to be the heater matrix? Certainly possible. A failing matrix, or seals, is not uncommon with coupes of this age. Feel the carpet in the front footwells near the middle to see if oily residue comes off in your hand. Also your windscreen will be difficult to clean inside as a greasy film builds up.
BumbleBee carer
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Re: Condensation and the matrix!
[Re: robcal]
#1615045
26/01/2018 20:42
26/01/2018 20:42
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Joined: May 2009
Posts: 343 bristol
mr_nobut
OP
Making a profit
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OP
Making a profit
Joined: May 2009
Posts: 343
bristol
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Robcal, mine started to mist up all the time and then it became impossible to clear the screen with any heat on and then even the air con wouldn't clear it. There was a bit of a damp patch on the carpet piece that sits over the airbag ecu (yellow cable sticking out behind the stereo) but inspection of the removed matrix showed no obvious leaks/corrosion!! I'm guessing they must fail inside and just a tiny leak will mean moisture (and antifreeze) is blown onto the screen no matter what setting the heating is on. If there is a greasy film on the lower part of the screen then probably its the matrix. Also if there is that 'hot radiator' smell then that points to the mtrix too. Mine clears lovely now in about 5mins but due to a leak in the sunroof the condensation is back in the morning.... The matrix was less than £30 online I think (but you need seals) and it took me 3 hours to fit with most of that time trying to get the steering brace out!! A fiddle if your a big bloke I can imagine, and lots of lying on your back with peddles in your face!! The 'how to' was perfect!!
inky goodness!!
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