Where does this go ?

MY6.2SS

Apprentice
Nov 26, 2020
66
18
Not sure if this is the correct place for this question. I am re-installing my interior. I came across this, not sure where it goes or if it even belongs to the car. Thanks
 

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LT1B-Body

Greasemonkey
Feb 25, 2021
123
28
Maricopa Arizona
It's a spurving bearing. It goes to the turbo encabulator.

 
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1evilregal

Comic Book Super Hero
Apr 23, 2009
2,993
113
Greensboro, NC
Looks like part of your heater control for the vent/defrost vacuum control... any issues with heat/ac?
 
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melloelky

Comic Book Super Hero
Oct 22, 2017
3,151
113
mass
he's rite^it's the "lock washer"for the plastic push button that keeps the vac diaphragm and the vein'd/port'd part of the switch together.
 
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69hurstolds

Geezer
Supporting Member
Jan 2, 2006
5,621
113
9 port switch on the right, 2 port switch on the left (see red circles). This is if you were looking up from the bottom of the dashboard view. The orange thing is the fan switch for reference.

I'm betting one of those push pins got brittle and broke. One or both of your port switches are fubar, unless it's been repaired and you're just now finding the spring washer. It's there to maintain tension on the push pin which tries to keep the two pieces of channel ports together tighter to eliminate vacuum leaks while allowing it to rotate.

G-body HVAC head unit 2port and 9port locations.jpg
 
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MY6.2SS

Apprentice
Thread starter
Nov 26, 2020
66
18
Well.... I still have mine..... this one is about half that size. Not quite as big as a nickel.
 

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