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4/12/14 3:10pm - Original Message: 'Mystery Nipple'
dbarnesid
Former Member
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Boise, ID - USA

Vette(s):
1972 mille miglia red corvette convertible. This is a car currently under restoration. The pic above is of me and my Ph.D. candidate daughter. She, not my Vette, is my pride and joy. Smile...

Joined: 5/29/2013
Posts: 159
I knew that would get your attention.

While the dash and instrument cluster is out it seemed like a perfect time to replace the vacuum hoses. Especially since the wipers don't work. 

So I barely got started when I found my first problem. One of the hoses from the light switch goes over the speedo and tach and into a t connector. One part of the t goes through the firewall and the other goes to some sort of metal cylinder. Another hose goes to the same cylinder... this hose comes from the wiper override switch. At the end of the cylinder is a nipple that appears to have had a hose or something attached to it at some time. It could also just be closed off. I can't tell without removing the dash on the driver's side. 

So what is this nipple? Is it closed? Is something missing? Could that be why the wipers don't work?

Here's the best picture I can give you. It is extremely close quarters and this is the best I can do. Sorry!





Okay....the cylinder is the wiper solenoid. It has some small holes in the end. Are these vent holes?

|UPDATED|4/12/2014 12:10:30 PM (AZT)|/UPDATED|


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4/12/14 8:47pm - Reply: 'Re: Mystery Nipple'
swany 80vette
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Vette(s):
1980 c3

Joined: 3/24/2014
Posts: 62
Ha ha you caught my attention for sure but I haven't a clue, good luck to you though
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4/13/14 12:14pm - Reply: 'Re: Mystery Nipple'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19448
David, in the vacuum info I sent you a while back are some good diagrams for the vac line...I did send that to you, dint I? If not, holler, and I'll send it. 

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Joel Adams
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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4/14/14 9:01am - Reply: 'Re: Mystery Nipple'
dbarnesid
Former Member
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Boise, ID - USA

Vette(s):
1972 mille miglia red corvette convertible. This is a car currently under restoration. The pic above is of me and my Ph.D. candidate daughter. She, not my Vette, is my pride and joy. Smile...

Joined: 5/29/2013
Posts: 159
Yes, I've got the diagrams. I just wasn't sure about the solenoid. For anyone installing new hoses...the grommet at the firewall is a real PITA! I sure hope the hose and filter replacement fixes the wipers. Otherwise I guess we're down to actuators!

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4/14/14 1:17pm - Reply: 'Re: Mystery Nipple'
Adams' Apple Lifetime Member
Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19448
Somewhere in that info is an electrical diagram that shows the solenoid, and it should also show what hoses go where, and if there is a "vent" nipple. I'll look a little closer this eve when I get home, and see if I can help...

____________________________________
Joel Adams
C3VR Lifetime Member #56    
My Link


(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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5/21/14 10:27am - Reply: 'Re: Mystery Nipple'
dbarnesid
Former Member
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Boise, ID - USA

Vette(s):
1972 mille miglia red corvette convertible. This is a car currently under restoration. The pic above is of me and my Ph.D. candidate daughter. She, not my Vette, is my pride and joy. Smile...

Joined: 5/29/2013
Posts: 159
Yes. It was just a vent nipple. Wipers now work perfectly by the way. Main problem was torn actuator rod boot and grounding problem on the switch. Easy fixes...once you find em!

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5/21/14 12:26pm - Reply: 'Re: Mystery Nipple'
Adams' Apple Lifetime Member
Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19448
dbarnesid said: Yes. It was just a vent nipple. Wipers now work perfectly by the way. Main problem was torn actuator rod boot and grounding problem on the switch. Easy fixes...once you find em!


Ain't THAT the troof!!
Glad ya got it figured out and werkin! Clap


____________________________________
Joel Adams
C3VR Lifetime Member #56    
My Link


(click for Texas-sized view!)
             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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