Air con matrix removal

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My Name: zebedee2001

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Posts: 86
Joined: Fri Jan 16, 2015 4:40 pm
Model: C3 2006-2009, Facelift model
Year: 2009 (59)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 130000
Trim Level: Airdream+
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 diesel (70 PS)
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Hi All,

Anybody had any experience in getting to the air con matrix behind the dash. My air-con stopped working & got it re-charged, it lasted a couple of days & all the while I could smell oily gas type smells coming through the air vents. I therefore believe it's the matrix behind the dash that has gone & want to get to it to have a look. I can see how to get to the hot radaiator but the air con side looks like a black wall!

This is on a 59 plate 1.4HDi

Any help appreciated!
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My Name: Arfur Dent

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Posts: 3340
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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zebedee2001 wrote: Sun Aug 12, 2018 8:11 pm Hi All,

Anybody had any experience in getting to the air con matrix behind the dash. My air-con stopped working & got it re-charged, it lasted a couple of days & all the while I could smell oily gas type smells coming through the air vents. I therefore believe it's the matrix behind the dash that has gone & want to get to it to have a look. I can see how to get to the hot radaiator but the air con side looks like a black wall!

This is on a 59 plate 1.4HDi

Any help appreciated!
Hi zebedee2001. I have not had to replace one before, thankfully. The heater/cooling evaporator housing on the C3, as for many cars, is a very long and complicated job. Stripping out the dashboard to get to the guts of it.

I think you will find the evaporator unit for the Air Con being accessed after removing part 7 in the diagram. This is underneath the whole unit, so I would imagine you need to remove the whole thing to get to it.

Follow the arrows and this is where I think it will be :)
citroen c3 air con matrix location - evaporator
citroen c3 air con matrix location - evaporator
6 is the electric heating element
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My Name: Arfur Dent

Guru
Posts: 3340
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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No.7 but from the drivers foot well view.
Citroen C3 heater air con evaporator
Citroen C3 heater air con evaporator


and 7 and 6 from the passenger side
Citroen C3 heater, air con, electric heater locations
Citroen C3 heater, air con, electric heater locations
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User avatar
My Name: Arfur Dent

Guru
Posts: 3340
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
Has thanked: 271 times
Been thanked: 114 times

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The video shows a LHD C2 heater matrix removal, but also shows the air con evaporator in place when the heater matrix was removed. It is the same setup in a C3 2002-2009 RHD.

Skip to 3:47 to see it ;)
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