G50 A/C

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campbelljj
Posts: 75
Joined: Sat Feb 10, 2007 9:28 am
Car: 1991 Q45

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My 1991 G50 stopped blowing air out of the top vents. If anyone knows how to fix this let me know.

Joe


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Q451990
Moderator
Posts: 11030
Joined: Tue Jul 23, 2002 8:21 am
Car: 1990 Q45 - 118K, 2022 Toyota 4 Runner, 2004 Frontier M/T - 108K, 2012 Xterra (Mom's), 2023 Rogue (Inlaws)
Location: Columbia, SC
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So you're still getting cold air from the floor?

It sounds like a mix door that's bad. The next step would be to run the self test on the climate controller. I'm pretty sure the test is the same in the 1994 service maual, available at www.nicoclub.com/FSM/

Heath

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yodawill2000
Posts: 3888
Joined: Thu Mar 24, 2005 4:10 pm
Car: 94 Infiniti J30
Location: Grand Prairie TEXAS

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I had the same think happen on My J last week.
Try switching to the defroster vents.
then back to the front.

When I did that it switched just fine.
Thought for sure I was going to have to tear the dash out ! :gapteeth:

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elwesso
Posts: 30810
Joined: Sun Feb 23, 2003 4:52 pm
Car: 94 Infiniti Q45t 5 spd
2007 BMW M Coupe
2007 Infiniti G35 S 6MT
Location: Indiana
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Yeah sometimes the doors need to be "exercised" a bit.. I would still do the self diagnosis as demonstrated in the HA section.


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