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Topic: Heater Hot Water Shut-off valve

in Forum: C3 Cooling and Heating Systems

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Heater Hot Water Shut-off valve (1/2)
11/28/06 10:27pm

Kenny78

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Toms River, NJ - USA

Vette(s):
1978 Silver Anniversary Coupe Lt. Biege w/ Dark Brown Int. Happily owned since 1981.

Joined: 7/28/2004
Posts: 115

What is the small nipple on the top of the valve for? I just noticed whatever was there is missing. If it is a vacuum hose where does it go?

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Heater Hot Water Shut-off valve (2/2)
11/29/06 12:10am

Adams' Apple

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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: 20129

It is indeed for a vaccuum line. It comes from the heater controls in the console. They(the vac. lines for this) normally come thru the firewall just to the pass. side of the distributor. You might look in that area and see if you find a loose one there...

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