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Registered
Join Date: Apr 2009
Location: Israel
Posts: 352
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Heater control problem
Hi Guys,
It starting to get cold and I have noticed that the heater doesnt work... I checked the heater valve and it looks fine. It closes when I start the car but it doesnt open when I turn on the A/C or just move the slider to "Eco" like it did before. I have disconnected the vacuum line to the heater valve but although hot water are now flowing in, there is no heat coming out of the vents  It seems that this problem divides into 2 parts: 1. Heater valve not opened (valve checked to be fine) 2. Internal heater flap probably closed so the hot air is not coming out of the vents. Is this a familiar problem? What can I do in order to check / fix this issue? Thanks for your help!
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Porsche 928S 4.7L 1980 European redhead 
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12-19-2012, 03:34 AM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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go to Wallys tips at
928 SPECIALISTS ONLINE STORE - 30,000+ 928 Parts - 928 SUPERCHARGER KITS! look on page 2 under tips and links, find the HVAC system and do some reading lots of things to check, and once you figure out whats bad its easy to fix
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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12-19-2012, 05:49 AM
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Registered
Join Date: Apr 2009
Location: Israel
Posts: 352
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Thanks!
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Porsche 928S 4.7L 1980 European redhead
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12-20-2012, 03:06 AM
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