GolfGTIforum.co.uk
Model specific boards => Golf mk2 => Topic started by: Gloves88 on 25 January 2009, 12:17
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Rite folks,
Let me start with.....I F*@!$** HATE the heater matrix!!!
I'm trying to get the two bolts off engine side and its not happening....if i cut them off will I need a whole new air box or can I just replace the two bolts? I'm assuming they are threaded at both ends....one end goes into the heater matrix and the other comes through the bulkhead?
Another question I have: Should I ever get to the stage of replacing the matrix is it fine to just get rid of the pressure release valve as it's the newer matrix?
Cheers
Phill
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are these the bolts that hold the matrix in place in its holder
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The bolts that come through the bulkhead into the engine bay
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i think you can just replace the bolts I will have a look today on mine as I aint removed mine yet and it needs to come out
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yeah they're studs, you can unscrew em from matrix & replace:
191 819 056 - double stud - 1.97+VAT
N 905 748 01 - hex nut with double washer - 0.76+VAT
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Cheers!
Another question I have: Should I ever get to the stage of replacing the matrix is it fine to just get rid of the pressure release valve as it's the newer matrix?
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Cheers!
Another question I have: Should I ever get to the stage of replacing the matrix is it fine to just get rid of the pressure release valve as it's the newer matrix?
yes
all the newer matrix's are mk3 versions which apparently dont blow up.
mine is fitted with no valve and is absolutely fine. the valve is another thing to go wrong.
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Cool, thanks very much.
To totally drain the coolant do I need to remove the thermostat? I.e to drain the block?
Am flushing the system while I'm at it
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Don't worry about cutting those studs off - infact, its better you do if its stiff that try to turn them and remove them.
When I removed my heater matrix (http://www.golfgtiforum.co.uk/index.php?topic=49436.msg851895#msg851895), the bottom stud was stuck fast too. Because I kept turning it, it just ate up the plastic on the reverse - which meant a new stud wouldn't screw in either.
(http://i136.photobucket.com/albums/q171/blessani/mini-CIMG6682.jpg)
You'll see it better in that photo, a big spanner will take them off, its a tight bolt thread on the outside and a wide screw into the plastic.
I ended up using no more nails on mine to glue it back into the airbox to stop it from spinning. But even if you don't bother, the fresh air box is held in pretty solid just from the vents etc. around it!
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Perfect...thanks very much for the info
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buy a MK3 matrix from GSF, which is also listed for the MK2. They still sell a cheaper version which is mk2 specific, so reasonable to assume its the under-specced version that needs the valves!
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Already have it sitting here waiting to go in the car...went for the more expencive one just to be safe....dont want to have to repeat this job any time soon!
Cheers for your help
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Just phoned VW and its a 2 day wait for the stud replacements....grrrr :angry:
Always something to hold you up lol
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Doing mine on Wednesday!! Sooooooo not looking forward to it...
Did you try soaking the nuts in WD40 etc a couple of days before? Suddenly im thinking i might go and soak the bolts tonight and tomorrow, they look pretty rusted.
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I used penetrating oil...I would honestly start soaking them right now....it cant hurt
Have you looked through all the guides? They're pretty helpful...found three on here
I managed to get the top one off after a lot of swearing and bloody knuckles and the bottom one I've had to cut off.
My martix housing is totally cracked for some reason so I'm going to have to take a trip to the scrappy nd get a new one :angry:
This is the least fun job I've done on my car to date :sad:
Hopefully new parts will arrive tomorrrow so I can get it finished :smiley:
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Soaked the bolts in oil this morning and have invested in an angle grinder and cutting discs...im fearing the worst... :cry:
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just to add on my driver i had a similar prob, stud was just spinning. No matter what i did it wouldnt budge! In the end I just yanked the btard off the firewall, which pulled the stud out o the airbox. The other 2 studs plus all the air hosing n shiz held it on perfectly fine, i just put a bit o duck tape over the hole left by the missing stud :grin:
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just to add on my driver i had a similar prob, stud was just spinning. No matter what i did it wouldnt budge! In the end I just yanked the btard off the firewall, which pulled the stud out o the airbox. The other 2 studs plus all the air hosing n shiz held it on perfectly fine, i just put a bit o duck tape over the hole left by the missing stud :grin:
same as my bottom stud, duck tape seems to be sealing up the hole nicely!
the stud snapped as i lost my rag when refitting the airbox... i kicked it back into place... :lipsrsealed:
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Soaked the bolts in oil this morning and have invested in an angle grinder and cutting discs...im fearing the worst... :cry:
If you can get an angle grinder onto it....mine was to big so bought a dremel with a flexible attachment...takes a while to cut through but worded pretty well.
If you have any probs just give me a shout, am still working on mine and have the laptop out with me all day.
I have to say I got pretty annoyed with mine too lol...after I cut the bottom one off I went to the scrapy and took the whole air con system out of the golf there as mine was cracked for some reason...
Turns out that I actually have enough bolts now to refit everything without going to VW, the studs I ordered from them still havent arrived.
Got my delivery from GSF yest so have a nice new thermostat and expansion tank to go in and resprayed the tank and fan holder.....yesterday was a productive day :grin: