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Brrr, so cold!
by
LoneWolf
on 18 Feb, 2008 16:47
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hi everyone
i dont post alot at the moment, and i dont want anyone thinking that im taking the mick, but can anyone help me out with some infor regarding my lack of heating even when the cars up 3/4 of the temp gauge?
its a mk2 Golf GTD (SB code) and since about a week ago the heating seems to have given up.
my first thoughts were lack of coolant, but its on the top mark; second was that i had a blocked pipe, but theyre all free flowing;
the only thing i can think of being left would be a blocked heater matrix.
the problem is i dont actualy know how to get at it to see if its all ok.
1) how do i get to it
2) is it simple to clean out
3) could i have missed something blatently obvious?
Thanks for taking the time to read this , and thanks in advance for any information
Matt
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#1
by
fatmobile
on 18 Feb, 2008 22:20
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There are a couple metal flaps inside the heater box.
They are covered in foam. The foam rots away and the air flows throught the holes.
Stick you head under the dash on the passenger side and look for the flaps. Go to walmart and buy some foamys, self sticking foam sheets.
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#2
by
Patrick
on 19 Feb, 2008 03:06
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Are you sure the coolant is flowing well through the heater core? MIght wat to try flushing it out with a garden hose hooked to it instead of the heater lines. Another possibility is a water pump on the way out...........
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#3
by
the caveman
on 19 Feb, 2008 05:56
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check your thermostat. maybe it's stuck open.
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#4
by
BlackTieTD
on 20 Feb, 2008 09:10
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disregard, thought the problem was too much heat...
if its not enough heat out of the heater core thats the problem.. it could be that the valve is not opening completely. check that valve when the temp slider is at 'full hot' and see if there is any more travel that could make it 'more hot'. hope that makes sense. or ya, blockage in hoses or lines to heater core.
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#5
by
jtanguay
on 20 Feb, 2008 13:05
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a good coolant system flush on my car did some good. nice brown fluid was coming out for a little while. i've never had so much heat!!!
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#6
by
smutts
on 22 Feb, 2008 16:08
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Same car as mine. Same problem once. If you look at the heater hoses in the engine bay as they get near the bulkhead you will see a couple of weird valves, one aluminium, the other black plastic, both joined with a small short hose, plus a handfull of jubilee clips. This is VW's recall bodge to prevent the ***ty french made heater matrix from exploding and spraying boiling water all over you as you do 90mph on the Motorway. This might be distracting.
There is a tiny thermostat in this lot, if it dies, then no heat. GSF used to do them for £20 odd. If no bodge, seriously get it looked at unless you and your passengers are asbestos. :twisted:
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#7
by
smutts
on 22 Feb, 2008 16:12
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The disintergrating foam is also a favorite, or a cable has dropped of the blend door or control. The heater matrix runs hot at all times, the heater control controls the airflow, not the coolant flow. Good luck. :wink:
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#8
by
bigblockchev
on 22 Feb, 2008 19:11
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If both hoses at the firewall going to the heater are nice and hot when the engine is up to temp then the heater core isn't plugged it is something else. If they are cold or one is significantly cooler than the other then it probably is plugged. Plan on spending a day getting the whole dash out and back in regardless as access to the heater requires complete dissasembly. Cheers Dan
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#9
by
clbanman
on 23 Feb, 2008 06:29
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If the heater hose in is hot/warm and the hose out is cold indicating a blocked heater core, try pulling off the hoses and reverse flushing the heater core (fresh water in the outlet side). I've had this work a few times. If your clogs are bad enough, flushing in the direction of normal flow may not clear the blockages. Note if the inlet hose is cold near the heater you may have to check it near the engine as it won't get hot if there is absolutely no flow.
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#10
by
LoneWolf
on 25 Feb, 2008 10:58
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Think ive found the problem, on the way hom e from work today the temp gauge went sky high, little flashing light and everything, then 2 seconds later steam everywhere, and i mean EVERYWHERE! theres water and oil pissing out from every port and gaskett on the engine, so i think its safe to assume the HG might be part of the problem :?
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#11
by
LoneWolf
on 25 Feb, 2008 13:28
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Is the 1.9 metal headgaskett a straight swap for the 1.6 fibre one?
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#12
by
burn_your_money
on 25 Feb, 2008 17:41
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If you have a hydraulic engine yes, if not, no
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#13
by
LoneWolf
on 26 Feb, 2008 08:42
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OMG!
i dont want to have to do another HG again for a while, spent most of the day cleaning surfaces ready for gasketts :?
not fun
still not tested it out yet, but fingers crossed for the green light
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#14
by
smutts
on 26 Feb, 2008 12:45
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Horrible Job.
If you know why VW designed the cambelt metal shroud so as you have to beat the usually stuck and shatterprone sintered metal cam shaft pulley off the camshaft. Then also no woodruff key, so you have to time the whole b*stard thing up again, just to do the head gasket, please let me know as it looks to be so unecessary! :evil: :evil: :evil: :evil: :evil: :evil: :evil: