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3/30/16 1:17pm - Original Message: 'Need help identifying what this is used for.'
tb2k82ce Lifetime Member
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Lemon Grove, CA - USA

Vette(s):
1982 C3 Collectors Edition 44000 miles, sat in the sun most of it's life, My wife purchased it for me for fathers day in 2007 from her girl friend that had it for 19 years. It is on the road again. I'm retired but it is now my daily driver.

Joined: 10/17/2007
Posts: 2007
I know that I can trace this out but  I bet I get a quicker answer here.  During a vacuum test where they pump smoke into the system this had smoke coming out of it.  I'm assuming this should not be vented to the outside world when the car engine is off.  But depending on what it is that may be the normal state.  Do not know could use help in identification and an explanation of what it is for.  I'm also betting that I will not be able to find a replacement if it is broken so the other question is what happens if I just plug the vacuum line?

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3/30/16 7:15pm - Reply: 'Re: Need help identifying what this is used for.'
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
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Gilbert....can you get a shot from a little farther out? Not really sure what I'm looking at, but it appears to be the vacuum solenoid for the cruise control....need a shot showing a little more of the area to be sure. 

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Joel Adams
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3/30/16 9:09pm - Reply: 'Re: Need help identifying what this is used for.'
tb2k82ce Lifetime Member
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Lemon Grove, CA - USA

Vette(s):
1982 C3 Collectors Edition 44000 miles, sat in the sun most of it's life, My wife purchased it for me for fathers day in 2007 from her girl friend that had it for 19 years. It is on the road again. I'm retired but it is now my daily driver.

Joined: 10/17/2007
Posts: 2007
I believe you are correct.  That mean the worst case is I can plug it the best case is I can find a replacement.  I'm guessing it is not suppose to vent to the outside at any time.

|UPDATED|3/30/2016 7:09:47 PM (AZT)|/UPDATED|


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3/30/16 9:26pm - Reply: 'Re: Need help identifying what this is used for.'
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: 19457
Depends...it should hold vacuum until the brake pedal is pushed, then it dumps vacuum.....assuming it IS the vac dump solenoid for the cruize control.

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Joel Adams
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3/31/16 7:30pm - Reply: 'Re: Need help identifying what this is used for.'
tb2k82ce Lifetime Member
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Lemon Grove, CA - USA

Vette(s):
1982 C3 Collectors Edition 44000 miles, sat in the sun most of it's life, My wife purchased it for me for fathers day in 2007 from her girl friend that had it for 19 years. It is on the road again. I'm retired but it is now my daily driver.

Joined: 10/17/2007
Posts: 2007
I think it is the fuel vapor solenoid.  From what I could find on the net the cruise control doesn't have anything that looks like this I also traced out some line and they do not go to what I think is the cruise control.

By the way I do not believe this solenoid is available anywhere so that mean I have to plug it I guess.  Does anyone have a drawing of the system.  I found part of what I think is the out put from the solenoid and it is attached to a vacuum hose but There is nothing attached to the other end.




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