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08-07-2018, 05:36 AM
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#1 |
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Registered User
Join Date: Apr 2012
Location: Texas
Posts: 129
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AS blowing at feet
hi all,
my ac works but air is cold only at your feet. I think it's the diverter. Any ideas to source parts for this?
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1990 suburban r1500 k 350 2wd |
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08-07-2018, 11:20 AM
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#2 | |
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Registered User
Join Date: Nov 2009
Location: Haines City FL
Posts: 461
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Re: AS blowing at feet
Quote:
Make sure the vacuum hose coming from the firewall is connected and not broken in the engine bay. You can take a hand vac pump and test it there to make sure you can get the vents to operate. |
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08-07-2018, 11:29 AM
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#3 |
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OutOfMyMind & I'llNeverKnowWhy
Join Date: Apr 2004
Location: Another world, some other time
Posts: 672
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Re: AS blowing at feet
Check to see if this plastic hinge is broken. I have to replace mine every few years.
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-Justin-Out of my mind and I'll never know why 1976 Chevrolet Silverado C10 350 4bbl / TH350 Big10 longbed 1986 Pontiac Firebird T-Top 5.0L TPI 700R4 WS6 1992 Pontiac Firebird T-Top 5.0L TBI 700R4 My cardomain page  I don't like to save, it's more fun to spend!! |
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08-07-2018, 12:56 PM
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#4 |
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Registered User
Join Date: Apr 2012
Location: Texas
Posts: 129
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Re: Ac blowing at feet
Looks like the hinge is bad. Where do you get a replacement?
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1990 suburban r1500 k 350 2wd |
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08-07-2018, 01:35 PM
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#5 |
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Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,611
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Re: AS blowing at feet
Check out this thread, should have most of the info you need: http://67-72chevytrucks.com/vboard/s...d.php?t=460942
The white thing connects to the hot/cold door. I think your original problem is the defrost/heater flapper. |
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08-07-2018, 01:52 PM
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#6 |
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Registered User
Join Date: Apr 2012
Location: Texas
Posts: 129
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Re: AS blowing at feet
Ok. On closser look it looks like this part is broken
Justin, you're showing me the same image. Sorry, couldn't see it on my phone. So where do we get that hinge? http://photobucket.com/gallery/user/...NjEwMQ==/?ref=
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1990 suburban r1500 k 350 2wd Last edited by snowball; 08-07-2018 at 02:40 PM. Reason: added details |
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08-07-2018, 08:02 PM
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#7 |
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OutOfMyMind & I'llNeverKnowWhy
Join Date: Apr 2004
Location: Another world, some other time
Posts: 672
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Re: AS blowing at feet
Part #3018715. Come in 5 packs from the GM dealer. There is a lot of pressure from the vacuum motor and they always seem to break in the same thin part of the plastic.
__________________
-Justin-Out of my mind and I'll never know why 1976 Chevrolet Silverado C10 350 4bbl / TH350 Big10 longbed 1986 Pontiac Firebird T-Top 5.0L TPI 700R4 WS6 1992 Pontiac Firebird T-Top 5.0L TBI 700R4 My cardomain page I don't like to save, it's more fun to spend!! |
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08-10-2018, 08:04 PM
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#8 |
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Registered User
Join Date: Apr 2012
Location: Chatt Tn
Posts: 981
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Re: AS blowing at feet
someone needs to machine those out of billet!
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88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205 86 k30, 89 diesel burb, 76 gmc pathfinder 71 longbed 5.3 4l80 http://67-72chevytrucks.com/vboard/s...d.php?t=522535 |
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08-11-2018, 08:07 PM
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#9 | |
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OutOfMyMind & I'llNeverKnowWhy
Join Date: Apr 2004
Location: Another world, some other time
Posts: 672
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Re: AS blowing at feet
Quote:
__________________
-Justin-Out of my mind and I'll never know why 1976 Chevrolet Silverado C10 350 4bbl / TH350 Big10 longbed 1986 Pontiac Firebird T-Top 5.0L TPI 700R4 WS6 1992 Pontiac Firebird T-Top 5.0L TBI 700R4 My cardomain page I don't like to save, it's more fun to spend!! |
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08-23-2018, 01:59 PM
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#10 |
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Registered User
Join Date: Apr 2012
Location: Texas
Posts: 129
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Re: AS blowing at feet
Unfortunately 3018715 is discontinued.
Once I get my hands on one of these I'll laser scan it and post it on thingiverse so it can be 3D printed in the future. Any other ideas where to get one?
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1990 suburban r1500 k 350 2wd |
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08-23-2018, 07:21 PM
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#11 |
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Registered User
Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,189
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Re: AS blowing at feet
Classic Parts has them. I think I bought 3 of them when I needed one, but now I can't find the other two I did not use. Considering the high cost of shipping, it is best to buy more than one.
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08-24-2018, 04:32 PM
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#12 |
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Registered User
Join Date: Nov 2016
Location: Moorhead, MN
Posts: 1
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Re: AS blowing at feet
I found info on here about making one out of metal. I had a small scrap piece of u shaped aluminum and used a grinder, drill and file to make this one. Not pretty but does the job.
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