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29-01-10, 10:27 PM | #1 | |
Grown up member
Join Date: Jun 2009
Location: Prestatyn, North Wales.
Posts: 45
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Audi 80 coupe heater matrix
HELLO EVERYONE. I HAVE A 2.3 5 CYLINDER AUDI COUPE 1992 RHD STANDARD NON AIR CON... I HAVE A FEELING I NEED A NEW HEATER MATRIX, I HAVE NO HOT AIR AT ALL ALTHOUGH THERE ARE NO TELL TALE SIGNS OF THIS, THE INSIDE OF CAR IS DRY (WHAT I CAN TELL) NO LOSS OF FLUIDS IN THE ENGINE BAY, NO STEAM COMING FROM VENTS ETC THE ONLY THING WRONG IS ONCE THE CAR IS WARMED UP THE HOT AIR STILL COMES OUT COLD, IF I SWITCH ALL VENTS OFF FOR 30 MINS ISH AND THEN TURN IT ON I GET ABOUT 5 SECONDS OF HEAT THEN IT GOES COLD AGAIN. IN THE HAYNES MANUAL IT SAYS I CAN GET AWAY WITH JUST REMOVING THE CD, DIALS AND VENTS SECTION OF THE DASH YET ON MANY FORUMS THE WHOLE DASH NEEDS REMOVING. ANY HELP ON THIS WILL BE APPRECIATED BUT MAINLY I'D LIKE TO KNOW WHETHER OR NOT IT IS MY HEATER MATRIX THAT HAS GONE. THANKS EVERYONE
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29-01-10, 10:31 PM | #2 |
4 ring whore!
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Join Date: Nov 2007
Location: Polmont
Posts: 2,617
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heater matrix means a dash out job
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29-01-10, 10:34 PM | #3 |
Chief Sausage Meister!!
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Join Date: Jul 2007
Posts: 3,614
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I would say no, if the matrix has gone I would say you would be leaking inside the cabin with still some heat, i reckon your heater control might be up the shoot, so when you try and turn from cold to hot it just stays on cold, maybe the cable's broken ??
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29-01-10, 10:57 PM | #4 |
Grown up member
Join Date: Jun 2009
Location: Prestatyn, North Wales.
Posts: 45
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cheers, when u say the controls how can that be rectified i've read on a couple of forums to check for blockages, air blocks, incorrect coolant? what do you reckon?
cheers. |
29-01-10, 10:59 PM | #5 |
Grown up member
Join Date: Jun 2009
Location: Prestatyn, North Wales.
Posts: 45
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forgot to mention, when turning from cold to hot i do get a short blast of hot air then it goes cold again...
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30-01-10, 12:17 AM | #6 |
making wooden things
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Join Date: Dec 2009
Location: cow land
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30-01-10, 12:41 AM | #7 |
quattro hussie!!
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Join Date: Jul 2007
Location: doin' it on all fours!!
Posts: 5,993
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Thermostat?
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30-01-10, 01:33 AM | #8 | |
Black Coupe Collector
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Join Date: Feb 2008
Location: Towcestershiresheer
Posts: 2,932
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Quote:
What is the temparature gauge doing on the car, if its acting normal then its not likely to be a blockage or the thermostat. Sounds like it points to heater controls.....
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30-01-10, 07:42 AM | #9 |
Senior Member
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Join Date: Nov 2009
Location: manchester
Posts: 1,691
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feel the radiator hoses when the engine is warm, are they cold or hot?
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30-01-10, 01:13 PM | #10 |
Grown up member
Join Date: Jun 2009
Location: Prestatyn, North Wales.
Posts: 45
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the hoses get red hot and the engine warms up as normal. the water pump, therostat etc was changed not too long ago? no leaks but also no hot air, will next dismantle the heating controls and check those cables... if i have an air block/gap how do irradicate this? cheers
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