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Does vacuum keep lights down or up on Superbird? #577224
01/09/10 10:23 AM
01/09/10 10:23 AM
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The Historic Hudson Valley
MONC Offline OP
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How does the vacuum operated lights work on a Superbird? Does the light switch when turned on, relieve vacuum pressure and pop open the lights?

Re: Does vacuum keep lights down or up on Superbird? [Re: MONC] #577225
01/09/10 10:55 AM
01/09/10 10:55 AM
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North Dakota
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On my Superbird, if you have the headlights off with the engine running (doors closed), once you shut the engine off, the headlight doors will eventually open up.


"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
Re: Does vacuum keep lights down or up on Superbird? [Re: MONC] #577226
01/09/10 10:59 AM
01/09/10 10:59 AM
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It's a dry heat
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I believe it's a safty issue.
vacumm closes and reserve keeps them closed

vacuum release + normal spring tension opens them

Re: Does vacuum keep lights down or up on Superbird? [Re: gtx6970] #577227
01/09/10 11:29 AM
01/09/10 11:29 AM
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waukon iowa
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waukon iowa
Vacuum opens and closes the doors. It just runs thru the pod the opisite direction.

Re: Does vacuum keep lights down or up on Superbird? [Re: 1hot68] #577228
01/09/10 03:52 PM
01/09/10 03:52 PM
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Mass
DAYCLONA Offline
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Quote:

Vacuum opens and closes the doors. It just runs thru the pod the opisite direction.







Correct,...the reserve can is just that, reserve, if the pod has a leak the doors will slowly open, not quite all the way, just a lazy eye look, that's because of the safety spring, that in the event of failure to raise, the owner was instructed to diconnect the vac harness splices located at the radiator apron/yoke to release the vacumm holding the pod in the closed position, the safety spring was to allow the lites to open "somewhat" for night driving in an emergency,.....but it dosen't allways work as planned

Re: Does vacuum keep lights down or up on Superbird? [Re: MONC] #577229
01/09/10 03:59 PM
01/09/10 03:59 PM
Joined: Dec 2007
Posts: 18,160
Mass
DAYCLONA Offline
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Quote:

How does the vacuum operated lights work on a Superbird? Does the light switch when turned on, relieve vacuum pressure and pop open the lights?






Monc the dash light switch works inconjuction with a vacumm slide switch, vacumm is applied to either side of the pod to raise or close the headlite door, based on switch position, the white vacumm slide switch "breaks vacumm and exhausts it as it is switched from open to close and vise/versa, it just re-applies vacumm to the side of the pods port thats needed to either raise/lower the lites

Mike

Re: Does vacuum keep lights down or up on Superbird? [Re: DAYCLONA] #577230
01/09/10 04:43 PM
01/09/10 04:43 PM
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The Historic Hudson Valley
MONC Offline OP
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Ok, thanks for the replies everyone.
So if there was a leak, it would make sense that the lights would slowly open over time with the car shut off, right?

Re: Does vacuum keep lights down or up on Superbird? [Re: MONC] #577231
01/09/10 06:07 PM
01/09/10 06:07 PM
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Blair County,PA
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Quote:

Ok, thanks for the replies everyone.
So if there was a leak, it would make sense that the lights would slowly open over time with the car shut off, right?




Just like this.

5723522-MVC-086S.jpg (91 downloads)
Re: Does vacuum keep lights down or up on Superbird? [Re: MONC] #577232
01/09/10 10:44 PM
01/09/10 10:44 PM
Joined: Dec 2007
Posts: 18,160
Mass
DAYCLONA Offline
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Quote:

Ok, thanks for the replies everyone.
So if there was a leak, it would make sense that the lights would slowly open over time with the car shut off, right?








Correct,....but the leak could be ANYWHERE!....brittle vacumm lines, bad switch, bad/cracked "t's" connectors, bad vac reserve can, bad light vacumm pods,....best to use a mity vac and vac gauge, and isolate the system componet by componet until you find the problem,....just like finding an electrical short,....miserable work, Good Luck

Re: Does vacuum keep lights down or up on Superbird? [Re: DAYCLONA] #577233
01/10/10 12:38 AM
01/10/10 12:38 AM
Joined: Jan 2003
Posts: 18,428
UPPER MICHIGAN, MARQUETTE COUN...
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Anyone find or use a vacuum solinoid to eliminate some of the vacuum lines and switch?

Re: Does vacuum keep lights down or up on Superbird? [Re: DAYCLONA] #577234
01/10/10 02:32 PM
01/10/10 02:32 PM
Joined: Apr 2004
Posts: 3,683
The Historic Hudson Valley
MONC Offline OP
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[quote
Correct,....but the leak could be ANYWHERE!....brittle vacumm lines, bad switch, bad/cracked "t's" connectors, bad vac reserve can, bad light vacumm pods,....best to use a mity vac and vac gauge, and isolate the system componet by componet until you find the problem,....just like finding an electrical short,....




that's what I was thinking
I hate finding electrical shorts







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