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Heater Matrix Replace |
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pennant77 |
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Member No: #53408
Joined: Mar 25 2019Location: Medway |
Afternoon all, Can anyone please tell me how hard it is to replace the heater matrix on 2016 C4 GP (B78). As my local garage wants to change the whole heater box and pull my pants down at the same time and the cost well.........to much!! All the vents work just fine, but no heat! Thanks in advance. john. |
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Wutang |
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Member No: #46858
Joined: Nov 24 2016Location: London |
Hi, I have changed the heater matrix on my 2014 2.0 bluehdi GP. it is a bit fiddly but not particularly hard. you need to remove alot of the trim in the foot well (think it was passenger side but cant remember.) undo the pipe connections and move them out of the way. worth having a way to temp seal the pipe ends as some coolant will leak out and a tub to collect any leakage. the heater matrix should then pull out of its slot, pop new one in and reverse the steps. the matrix I bought came with pipe clips that are different to the ones that sealed the joints from the factory (plastic as oppased to metal.) these fitted perfectly and were alot easier to fitt and seal and have bean leak free. Richard |
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JimB78 |
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Member No: #58520
Joined: Jul 22 2021Location: Ireland |
Wutang wrote ... Hi, I have changed the heater matrix on my 2014 2.0 bluehdi GP. it is a bit fiddly but not particularly hard. you need to remove alot of the trim in the foot well (think it was passenger side but cant remember.) undo the pipe connections and move them out of the way. worth having a way to temp seal the pipe ends as some coolant will leak out and a tub to collect any leakage. the heater matrix should then pull out of its slot, pop new one in and reverse the steps. the matrix I bought came with pipe clips that are different to the ones that sealed the joints from the factory (plastic as oppased to metal.) these fitted perfectly and were alot easier to fitt and seal and have bean leak free. Richard Hi there, I'm just at the point to remove the heater matrix and the electric pre heater, just wondering how you got the little hex bolts holding the pipe bracket off? and the clamps for the matrix itself, i tried a 6mm and 5mm, the 6 was too big and the 5 too small! |
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danlat1415 |
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Member No: #48933
Joined: Jul 17 2017Location: UK |
A tip for removing screws that have worn thread, or for hex bolts that are too big/small; - cut a piece of duck tape about 1 inch x 1 inch and stick it over the top of the screw you're trying to remove. - use a screw/hex drill bit on an electric drill (works better than a screwdriver) - try and unscrew as normal using the electric drill. The duck take acts as extra padding and grip and helps remove the screw/bolt. I don't know the answer to your question, but this may help you. Or you could try a 5.5mm hex instead. |
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vexorg |
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Member No: #48843
Joined: Jul 06 2017Location: Scotland |
M3 nuts and blts are usualy 5.5mm A/F | ||||
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