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Author Topic: 76 Pinto Wagon heater issues.  (Read 2153 times)

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Offline mrlightrail

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76 Pinto Wagon heater issues.
« on: December 28, 2012, 02:52:30 PM »
Got a problem with my 76 Pinto's heater. This vehicle has stock AC. Heater hoses were disconnected by previous owner, I reconnected them, no leaking, but there is a vacuum valve in the hose, and I think it died. I'm not getting any heat, no matter what setting I put the valve, so I'm thinking that it may be the lever that adjusts from cold to hot. It is rusted up, and very stiff, and I do not believe it is moving whatever it is connected to.

Can someone provide me with a diagram or really GOOD instructions on how to manually open that door/gate/whatever that cable is connected to? Also, I also need to know what position the vacuum valve needs to be in to provide coolant to the heater core. It was in the down position when I looked at it.

Thanks, and a prompt reply would be helpful. IT IS COLD OUT HERE! :)

Offline Fred Morgan

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Re: 76 Pinto Wagon heater issues.
« Reply #1 on: December 28, 2012, 06:16:37 PM »
Do you hear any air leak ? Is there 1 of these disc behind control panel laying on tunnel ?  Fred   :)
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Offline ToniJ1960

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Re: 76 Pinto Wagon heater issues.
« Reply #2 on: December 28, 2012, 06:55:14 PM »
 my heater hasnt been working in years Im going to follow this thread. Does anyone know a good source for a schematic of the whole heating system?

Offline mrlightrail

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Re: 76 Pinto Wagon heater issues.
« Reply #3 on: December 28, 2012, 09:38:43 PM »
Dont hear any air leaks, and I have not seen one of those discs, I do know the cable that adjusts the temperature is probably not working.

Offline Fred Morgan

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Re: 76 Pinto Wagon heater issues.
« Reply #4 on: December 29, 2012, 05:14:51 PM »
See red arrow you will move that arm to get heat. This model A/C is like yours I have A/C evac pump hooked up to make sure all doors work as selected before I ship unit.  Fred   :)
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Offline mrlightrail

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Re: 76 Pinto Wagon heater issues.
« Reply #5 on: December 29, 2012, 06:43:25 PM »
Opened up the valve, and I got heat. But, the heater core leaks, so I have to disconnect it again, and suffer.