 WTB: Pin + Flap on Impeller Housing + Gaskets, the thing that feeds the branch pieces |
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| rwilner |
 Sep 26 2011, 01:53 PM
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#1
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No Ghosts in the Machine  Group: Members Posts: 953 Joined: 30-March 10 From: Boston, MA Member No.: 11,530 Region Association: North East States  |
There is a little pin and flap that sits in the impeller fan housing which feeds the heater branch pieces. I have the one on the driver's side, but on the passenger side it's missing.
I also need a pair of gaskets that sit between the impeller housing feed and the branch piece connection (one for each side). please PM me with price including shipping to 02494 thank you! Rich |
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| lrm914 |
Sep 26 2011, 01:59 PM
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#2
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Member Group: Members Posts: 50 Joined: 3-September 11 From: ga Member No.: 13,514 Region Association: South East States |
QUOTE(rwilner @ Sep 26 2011, 03:53 PM)  There is a little pin and flap that sits in the impeller fan housing which feeds the heater branch pieces. I have the one on the driver's side, but on the passenger side it's missing. I also need a pair of gaskets that sit between the impeller housing feed and the branch piece connection (one for each side). please PM me with price including shipping to 02494 thank you! Rich I'm looking for the same exact pieces,I'm pretty sure they could be purchased at AA or Pelican PArts. I have been told that you could easily fabricate the flaps out of a piece of metal flashing. I think the gasket may be made out of a hard plastic. you may be able to fabricate that also. I will let you know if I come across someone who has more than 1 set of these parts. Larry |
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| lrm914 |
Sep 26 2011, 02:02 PM
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#3
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Member Group: Members Posts: 50 Joined: 3-September 11 From: ga Member No.: 13,514 Region Association: South East States |
QUOTE(lrm914 @ Sep 26 2011, 03:59 PM) QUOTE(rwilner @ Sep 26 2011, 03:53 PM) There is a little pin and flap that sits in the impeller fan housing which feeds the heater branch pieces. I have the one on the driver's side, but on the passenger side it's missing. I also need a pair of gaskets that sit between the impeller housing feed and the branch piece connection (one for each side). please PM me with price including shipping to 02494 thank you! Rich I'm looking for the same exact pieces,I'm pretty sure they could be purchased at AA or Pelican PArts. I have been told that you could easily fabricate the flaps out of a piece of metal flashing. I think the gasket may be made out of a hard plastic. you may be able to fabricate that also. I will let you know if I come across someone who has more than 1 set of these parts. Larry Forgot to ask...is there a difference between PS and DS? And what is their function What year is your car any differences year to year? Thanks, LArry |
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| BKLA |
Sep 26 2011, 02:44 PM
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#4
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Really old member Group: Members Posts: 1,253 Joined: 14-August 05 From: OR Member No.: 4,590 Region Association: Pacific Northwest 
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| rwilner |
Sep 26 2011, 02:47 PM
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#5
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No Ghosts in the Machine Group: Members Posts: 953 Joined: 30-March 10 From: Boston, MA Member No.: 11,530 Region Association: North East States |
Not sure if there are differences between ps and ds. Mine is a 73 2.0l.
To be honest I don't even know what purpose they serve since it seems like they would be open whenever the impeller was turning, but the factory must have put them in there for some reason... |
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| rwilner |
Sep 26 2011, 03:13 PM
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#6
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No Ghosts in the Machine Group: Members Posts: 953 Joined: 30-March 10 From: Boston, MA Member No.: 11,530 Region Association: North East States |
Not sure if this helps...
Haynes lists the part as "closing flap for air return", part # 33 on the exploded diagram on page 22. |
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| pilothyer |
Sep 26 2011, 03:15 PM
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#7
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Member Group: Members Posts: 838 Joined: 21-May 08 From: N. Alabama Member No.: 9,080 Region Association: South East States |
When the heater lever is pulled but not enough to turn on the fan the air is pushed through the heater system by means of the flow of air from the blower housing, when the lever is pulled far enough to run the fan, it's air flow is enough to close the flaps on the blower housing and the fan alone blows air through the heater system at a much higher rate. without the flaps air from the fan would be blown partialy through the system and partially back into the blower housing. You would still have heat but the flow is reduced quite a bit without the flaps.
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| 76-914 |
Sep 26 2011, 06:14 PM
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#8
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,502 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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Rich, is this the one? IIRC they were different on L & R???? Anyway let me know and I'll put it out to you manana.
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| bdstone914 |
Sep 26 2011, 08:51 PM
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#9
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bdstone914 Group: Members Posts: 4,522 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
Yes and right flaps are different in size. As are the gaskets and brackets that attach the S branches to the fan housing.
I think the gasket material is a high temp (maybe asbestos originally) material. AA wants in the $20 range for each. I would use high temp silicone rubber to form your own gasket and save about $45. Those flaps are very elusive. Seems like one out of five engines may have them. I would like to see if a sheet metal shop could make a bunch out of stainless steel. I have a couple but prefer not to sell them considering how hard they are to find. The original pins also fall out and get lost. Bruce |
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