71 Wiper Door Opens...
Race Director
Joined: May 2006
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From: Dayton, Ohio
(If the small red striped hose at the valve under the wiper arm does have vacuum then the valve under the wiper arm is bad,sticky or out of adjustment.It needs to feed vacuum when the wiper arm is down fully.)
Race Director
Joined: May 2006
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From: Dayton, Ohio
Thread Starter
Drifting
Joined: Jun 2006
Posts: 1,327
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From: Vernon CT
The white hose needs vacuum to bring the door down,the small white striped hose is coming from the valve under the wiper arm,this valve is fed vacuum through the small red striped hose,see if you have vacuum on the small red striped hose. If you don't have vacuum on the small red striped hose then you need to back up to the pulldown under the dash,check your vacuum there.
(If the small red striped hose at the valve under the wiper arm does have vacuum then the valve under the wiper arm is bad,sticky or out of adjustment.It needs to feed vacuum when the wiper arm is down fully.)
(If the small red striped hose at the valve under the wiper arm does have vacuum then the valve under the wiper arm is bad,sticky or out of adjustment.It needs to feed vacuum when the wiper arm is down fully.)
Small White and Red hose coming (or to?) the switch under the wiper arm have NO vacuum...
Race Director
Joined: May 2006
Posts: 16,528
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From: Dayton, Ohio
The small red gets its vacuum from the pulldown valve under the dash and steering column,check the small blue striped hose for vacuum at the pulldown,(were almost to end of the small hose vacuum trail).
Safety Car
Joined: Sep 1999
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From: AnyTown NJ
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15
I hate to steer anyone in the wrong direction. :o
Thread Starter
Drifting
Joined: Jun 2006
Posts: 1,327
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From: Vernon CT
Wait! Isn't the air ventilation system vacuum operated too in a 1971?
Team Owner
Joined: Jan 2006
Posts: 37,637
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From: Crossville TN
1971 vacuum stuff:
Distributor advance can; vacuum reservoir and feeder line; idle solenoid (carb); wiper door (and all associated with it); headlights (et al); HVAC temp control; HVAC settings control; all HVAC ducting door servos; outside air inlet flap servo; heater water shut off valve; wallet.
Distributor advance can; vacuum reservoir and feeder line; idle solenoid (carb); wiper door (and all associated with it); headlights (et al); HVAC temp control; HVAC settings control; all HVAC ducting door servos; outside air inlet flap servo; heater water shut off valve; wallet.
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Race Director
Joined: May 2006
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From: Dayton, Ohio
EDIT-confirm your on the correct pulldown,colors should be red and blue.
Last edited by ...Roger...; Jun 29, 2012 at 09:15 PM.
Race Director
Joined: May 2006
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From: Dayton, Ohio
I think were getting close. Make sure the hose is not on the vent port. Then check for vacuum coming into the solenoid. If you have vac coming in on the yellow,the tach solenoid could be dirty and plugged up.
Lets use Ernie's diagram and see if we can get this resolved.
Confirm that your on the correct pulldown,you said white ?
Lets use Ernie's diagram and see if we can get this resolved.
Confirm that your on the correct pulldown,you said white ?
Last edited by ...Roger...; Jun 29, 2012 at 09:14 PM.
Thread Starter
Drifting
Joined: Jun 2006
Posts: 1,327
Likes: 43
From: Vernon CT
I think were getting close. Make sure the hose is not on the vent port. Then check for vacuum coming into the solenoid. If you have vac coming in on the yellow,the tach solenoid could be dirty and plugged up.
Lets use Ernie's diagram and see if we can get this resolved.
Confirm that your on the correct pulldown,you said white ?
Lets use Ernie's diagram and see if we can get this resolved.
Confirm that your on the correct pulldown,you said white ?
The white hose, when I pulled it off the pull down, had what looked like a brass nipple on the end. I couldn't see to reattach it cause it was almost mashed up against my face to see...
Thread Starter
Drifting
Joined: Jun 2006
Posts: 1,327
Likes: 43
From: Vernon CT
If the white is on the nipple closest to the ****,then that hose goes to the tach solenoid. It should be on side of the solenoid with the vent port,check the hose on the other end of the solenoid for vacuum( i think its yellow striped).
EDIT-confirm your on the correct pulldown,colors should be red and blue.
EDIT-confirm your on the correct pulldown,colors should be red and blue.
Race Director
Joined: May 2006
Posts: 16,528
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From: Dayton, Ohio
Sounds as if you might have some hose colors that don't match the above diagram BUT that is not the important thing.
Whats important is where each hose goes , not its color.
Make sure your hoses follow the diagram above.
The pulldown needs vacuum for the wiper door to function.
Whats important is where each hose goes , not its color.
Make sure your hoses follow the diagram above.
The pulldown needs vacuum for the wiper door to function.
Pro
Joined: Apr 2009
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Make your life easier. Take out your drivers seat. Take out your t-tops if you have a coupe. It will take you 10 minutes. Then get a pillow and lay it down where the seat used to be. Get on your back with your feet hanging out the rear of the t-top edge or resting on the rear panel if you have a vert. It will be much easier for you to troubleshoot your issues under there.
Good luck.
Good luck.
Thread Starter
Drifting
Joined: Jun 2006
Posts: 1,327
Likes: 43
From: Vernon CT
Make your life easier. Take out your drivers seat. Take out your t-tops if you have a coupe. It will take you 10 minutes. Then get a pillow and lay it down where the seat used to be. Get on your back with your feet hanging out the rear of the t-top edge or resting on the rear panel if you have a vert. It will be much easier for you to troubleshoot your issues under there.
Good luck.
Good luck.
It's been too hot here to stand on my head and look under there but tomorrow i'll give it a try...
Thread Starter
Drifting
Joined: Jun 2006
Posts: 1,327
Likes: 43
From: Vernon CT
Ok working from the diagram, HOSE H is getting NO vacuum from the Wiper solenoid. It appears to be getting vacuum tho from HOSE 7.
Need some more info on the WIPER SOLENOID that Hose H and 7 attach to...
My Solenoid had one of the intakes plugged on purpose, Im guessing this was the VENT intake?? (UNplugging it; no help)
Questions; There are 2 electrical contacts on the solenoid. Where do they go, how does it work?
What usually goes wrong with these solenoids?
How do you remove the solenoid? It's really jammed up there. Any threads or advice on that?
Need some more info on the WIPER SOLENOID that Hose H and 7 attach to...
My Solenoid had one of the intakes plugged on purpose, Im guessing this was the VENT intake?? (UNplugging it; no help)
Questions; There are 2 electrical contacts on the solenoid. Where do they go, how does it work?
What usually goes wrong with these solenoids?
How do you remove the solenoid? It's really jammed up there. Any threads or advice on that?
Race Director
Joined: May 2006
Posts: 16,528
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From: Dayton, Ohio
The yellow wire on the solenoid should be hot with the key ON,grounding the blue clicks the solenoid.
Solenoids can get dirty and plug up and can be cleaned.
Is it attached to the tach housing ?
Solenoids can get dirty and plug up and can be cleaned.
Is it attached to the tach housing ?
Thread Starter
Drifting
Joined: Jun 2006
Posts: 1,327
Likes: 43
From: Vernon CT
Race Director
Joined: May 2006
Posts: 16,528
Likes: 53
From: Dayton, Ohio