The only way to remove the cap is to rotate it, never try prising it up.
Please note:- header tanks with a silicate pouch or any form of silicate in it should have printed on its shoulder "MIT SILIKAT" in black.
And there is at least two versions - where the bag is visible inside the filler neck, and where (like mine) it is not visible and none removable. Like the image I shared on page 7 of this thread.
Yes - it they DON'T say Mit Silicate they 'shouldn't' have silicate bag. There are also OE tanks which don't say/have Mit Silicate.
I just got a Febi one and that is without bag. Was less than £20.
Well I certainly spoke too soon when I posted this.I've read this thread with interest and finally decided to have the silicone bag removed this morning.
A lucky escape here as the silicone bag had already started to split!
As the weather got colder I noticed cold air coming from the two drivers side vents whereas I was getting warm heat coming from the passenger side vents.
I tried living with it but ended up having a new heater matrix fitted last week and now getting warm heat from all vents.
Sorry to hear that. The blockages are also caused by casting sand from the engine block, so it was probably doomed to failure anyway.
How much did the the matrix change cost?
I bought and fitted a Silicant free OEM one for £25 in March. It's literally a 10 minute job to change over.
£240 at local indy.
Cheaper than SEAT but still £240 more than I wanted to spend
£240 at local indy.
Cheaper than SEAT but still £240 more than I wanted to spend
That's not bad though. SEAT wanted £1200 so I did it myself. £240 is the best price I've heard quoted for a non-DIY effort.
It's nice to have warm air though isn't it?
I agree, I was surprised to be fair. I'm happy the previous owner knew about it before he sold it but that is the risk of buying privately sold as seen I guess.
Yes lovely to have warm heat though
I managed to get into the actual tank eventually - no bag and nothing printed on tank to suggest otherwise. Seems really hit and miss
New to the forum but with some issues with my 1.6tdi, started with blowing the coolant out and now no heating grrr.. I’ve had a go at flushing it and no joy there, can someone confirm these pics are the heater matrix and not the air con?
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Thank you that bugger is coming out this week then ! I cannot crack the pipes off in the firewall so I’m expecting a bit of fluid leak I don’t care now this thing got me going crazy!
Just looking for a new one now there seems to be a lot of them out there but euro car parts don’t have any and German Swedish don’t list them??? Does anyone know the best manufacturer to use and a part number?
Copied and pasted from a message I sent to another member ref the same subject:
You have a couple of choices with the matrix. I went for a Valeo as it is the original OEM part and I knew it was like for like replacement. Some people say the Nissan one is quite good as the channels were wider apparently.
This is the link to where I bought mine - product code 715303.
https://www.buycarparts.co.uk/search?keyword=715303https://www.buycarparts.co.uk/search?keyword=715303
Arrived from Europe in about 5 days.
If you're going to replace it, I'd recommend changing the expansion tank as well. Mine had the silicant bag in it and the lid was rattling, so worth the £25 and 10 min fix. I also recommend swapping out as much of your coolant as you can.
I was going to do the expansion tank as a precaution I don’t think it’s got the silica bag in but not going to take the risk,
many thanks for your help
many thanks for your help
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