Heater Matrix
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Hints, tips and guides for repair and modification - the FAQ section on the main website is worth checking first for information relating to common faults and technical help. Useful posts and guides will be added to the FAQ http://www.sciroccoregister.co.uk/scirocco-faq
Hints, tips and guides for repair and modification - the FAQ section on the main website is worth checking first for information relating to common faults and technical help. Useful posts and guides will be added to the FAQ http://www.sciroccoregister.co.uk/scirocco-faq
Heater Matrix
I'm losing coolant on my Mk1, and going by the damp carpet passenger side footwell, I've got a good idea from where! I tightened up the jubilee clips on the supply/return hoses a few weeks ago and that seemed to improve thing, but it's bad again. Is the matrix easy to replace, does it just slide out sideways? And where would be a good place to get one from?
Re: Heater Matrix
Bump... I've just ordered a new matrix from VW. Heritage and I'm going to be doing this job soon. Anyone any ideas on the best way? Is it just a case of removing the plastic cover panel and sliding the matrix out? Or, is it dashboard out to get to the centre console? Or, loosen dashboard to get to the centre console out?
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mr.brown
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Re: Heater Matrix
I always did it by removing the whole heater box. Remove the dashboard screws first so you can tilt it up, undo the pipes in the engine bay and slide them through with the heater box.
If the VWH is Meyle then it'll be fine. If it's unbranded send it back (my recent experience with them has been so-so)
If the VWH is Meyle then it'll be fine. If it's unbranded send it back (my recent experience with them has been so-so)
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mark1gls
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Re: Heater Matrix
Not done the job in a mk1 scirocco but in a mk1 golf you can remove the cover, undo the coolant hoses on the heater matrix and slide it out.
You may want to undo the hoses in the engine bay first to stop any more coolant coming into the car.
Have a bowl and cloth handy to catch the coolant when removing the heater matrix.
You may want to undo the hoses in the engine bay first to stop any more coolant coming into the car.
Have a bowl and cloth handy to catch the coolant when removing the heater matrix.
Last edited by mark1gls on Sun Mar 27, 2016 6:56 pm, edited 1 time in total.
Mk1 78 Scirocco GLS 1.6 FR, weekend toy.
Mk1 88 Golf GTi cabriolet 1.8 DX. Daily drive.
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Mk1 88 Golf GTi cabriolet 1.8 DX. Daily drive.
Membership No. 323
Re: Heater Matrix
Cheers Mr B and Mark, It's a Meyle part and I'm replacing the large rubber grommet that surrounds the pipes as they pass through the bulkhead as mine is badly perished. I'll report back when the job is done for info...
Re: Heater Matrix
This really was a very easy job! To remove the Matrix all you have to do is remove the plastic casing the under-dash shelf attaches to.
The Matrix slides right out, no need to mess with heater box or remove / loosen dash. I replaced the rubber bulkhead grommet that the pipes go through at the same time as mine was badly perished, it was pence from VWH.
I did remove one of the nuts from the Master Cylinder stiffening bracket to make the Matrix go back in a little easier.. This was for the Mk 1 car.
The Matrix slides right out, no need to mess with heater box or remove / loosen dash. I replaced the rubber bulkhead grommet that the pipes go through at the same time as mine was badly perished, it was pence from VWH.
I did remove one of the nuts from the Master Cylinder stiffening bracket to make the Matrix go back in a little easier.. This was for the Mk 1 car.