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Join Date: Feb 2024
Posts: 7
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928 s4 heater
hi,
i'm the happy owner of a 928 s4 1990. i have a problem with the heater : i never get it hot : the heater valve behind the engine is ok . the 2 heater pipes are hot. i sent water in the radiator and it's not obstructed without the a/C i get half heated air but not hot . What can it be ? thanks. 
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02-06-2024, 06:48 AM
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Join Date: Mar 2010
Location: Texas
Posts: 2,137
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The heater valve can look good, appear to operate correctly on the outside and be total FUBAR inside . Remove the heater valve and check it while off the engine. Chances are it is not fully opening correctly.
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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02-06-2024, 07:11 AM
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Posts: 7
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Quote:
yes, i controlled the inside ans it's full opened . Last edited by maguet11020; 02-06-2024 at 08:03 AM.. |
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02-06-2024, 07:52 AM
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Posts: 7
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as you can see
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02-06-2024, 08:02 AM
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Posts: 7
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 did i find my problem ? |
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02-06-2024, 08:29 AM
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Join Date: Mar 2010
Location: Texas
Posts: 2,137
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So I'm guessing that you get very little air flow, Heater or A/C?
__________________
John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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02-07-2024, 01:02 PM
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Join Date: Feb 2024
Posts: 7
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hi,
solved ! the problem was the panel that didn't work .   
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02-11-2024, 09:31 AM
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