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[GMCnet] No hot air from the dash heater [message #147609]

Sun, 23 October 2011 21:15

kincaid76royale

Messages: 71
Registered: February 2005

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Hi All:We have a 1976 Royale RB w/455.

We replaced the leaking heater core and then couldn't get any cabin heat. There was no flow through the new heater core. - many tests etc. We had replaced the vacuum valve in the 5/8 line with a ball valve because, up-'till-then, our major problem was too much cabin heat even when trying to "Air Condition". At a suggestion from Alonzo at Jim K's we put a shut off valve in the hose to the water heater (heat exchanger Now we have hot water circulating through the heater core BUT still no hot air coming into the cabin. Is there a special combination of dash controls to enable this.

Thanks,

Jack Kincaid, Castro Valley, CA
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		[GMCnet] No hot air from the dash heater By: kincaid76royale on Sun, 23 October 2011 21:15
		Re: [GMCnet] No hot air from the dash heater By: Ken Henderson on Sun, 23 October 2011 21:25

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