Vehicle & Technical > Discovery

Heater matrix problems!!

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hobbit:
To be honest if I had a leaky matrix, and couldn't get it done straight away, I would re route the heater hoses back into the engine cutting the flow to the heater altogether, ok gets a bit cold, but cheaper than a cooked engine in the long run ;)

chris.hunt22:
Some advice fellas if you are doing this.....ignore the haynes manual!!  You do not need to remove hardly any of the dash or go anywhere near the refrigerant circuit, the matrix is up in the heights of the drivers side footwell, remove the electrical cover completely (4 small bolts) and the thin carboard type cover above the pedals, remove the centre console (the gearstick one not the one in the dash) and the drivers side floor vent and you will beable to see the end of the matrix, you have to unclip a few heater control cables and cable tie the wiring loom  out of the way, remove the steel panel that held the electrical panel on and that is it, the matrix will slide out (prising the dash but only slightly - its flexible now as the steel frame has been removed), if I knew this before and had the correct matrix the job would have been done in approx 1.5 hours, I will take some pictures before I put it back together!!  If yours is leaking bypass the system under the bonnet with a piece of copper pipe (you will have to leave the engine sound deadening cover off though)

blacknight:

--- Quote from: chris.hunt22 on January 15, 2008, 13:15:39 ---Some advice fellas if you are doing this.....ignore the haynes manual!!  You do not need to remove hardly any of the dash or go anywhere near the refrigerant circuit, the matrix is up in the heights of the drivers side footwell, remove the electrical cover completely (4 small bolts) and the thin carboard type cover above the pedals, remove the centre console (the gearstick one not the one in the dash) and the drivers side floor vent and you will beable to see the end of the matrix, you have to unclip a few heater control cables and cable tie the wiring loom  out of the way, remove the steel panel that held the electrical panel on and that is it, the matrix will slide out (prising the dash but only slightly - its flexible now as the steel frame has been removed), if I knew this before and had the correct matrix the job would have been done in approx 1.5 hours, I will take some pictures before I put it back together!!  If yours is leaking bypass the system under the bonnet with a piece of copper pipe (you will have to leave the engine sound deadening cover off though)

--- End quote ---

So was the matrix that you were firstly trying to fit the wrong one or was it a matter of purchasing a differant make?

The photo's will help me assess whether i will be able to tackle this matrix replacement. Have bypassed the matrix under the bonnet.

DonH:
Replaced mine last year..... when we took it out, the replacement part was different so we took it back together with the failed unit and managed to get an identical part. Sorry but I hav eno pix.

eugene:
i replaced the whole heater in mt 200tdi disco last year and took whole dash out as there are 4 bolts that hold
it in place took whole dat to remove and replace have some pics il post them when ive found then if any use

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