 Heat tubes, Air comes out of vents, but cold |
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| tsvo |
 Oct 24 2017, 04:37 PM
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#1
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Member  Group: Members Posts: 123 Joined: 30-January 16 From: Chicago Member No.: 19,616 Region Association: Upper MidWest 
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I have a question about my heat system. I would like to know what is missing from my system. I get air from the vents, it is cold though. I have posted a picture from what i think is missing. I think i need hoses from the heat exchangers to the fan. Do i need a bracket of some sort and the tubes?
Does anybody have them? Any help is appreciated. |
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| tsvo |
Oct 24 2017, 04:40 PM
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#2
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Member Group: Members Posts: 123 Joined: 30-January 16 From: Chicago Member No.: 19,616 Region Association: Upper MidWest
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QUOTE(tsvo @ Oct 24 2017, 05:37 PM)  I have a question about my heat system. I would like to know what is missing from my system. I get air from the vents, it is cold though. I have posted a picture from what i think is missing. I think i need hoses from the heat exchangers to the fan. Do i need a bracket of some sort and the tubes? Does anybody have them? Any help is appreciated. |
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| mepstein |
Oct 24 2017, 04:52 PM
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#3
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914-6 GT in waiting Group: Members Posts: 19,272 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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Really need to post pics of the underside of the car to see what you do or don't have.
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| tsvo |
Oct 24 2017, 05:03 PM
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#4
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Member Group: Members Posts: 123 Joined: 30-January 16 From: Chicago Member No.: 19,616 Region Association: Upper MidWest
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Sorry, trying to post pic. It is not attaching for some reason. I will keep trying.
Attached thumbnail(s) 
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| Racer |
Oct 24 2017, 05:43 PM
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#5
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Senior Member Group: Members Posts: 787 Joined: 25-August 03 From: Northern Virginia Member No.: 1,073 Region Association: MidAtlantic Region |
Yup.. I see no hose here...
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| Triaddave |
Oct 24 2017, 06:11 PM
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#6
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Member Group: Members Posts: 244 Joined: 31-December 03 From: olympia,wa Member No.: 1,478 |
There is also a fitting to the electric fan that splits in two for two hoses, one to each side of engine (or heat exchanger). It is a good set up if you need heat/defrost...
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| Triaddave |
Oct 24 2017, 06:11 PM
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#7
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Member Group: Members Posts: 244 Joined: 31-December 03 From: olympia,wa Member No.: 1,478 |
There is also a fitting to the electric fan that splits in two for two hoses, one to each side of engine (or heat exchanger). It is a good set up if you need heat/defrost...
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| Dave_Darling |
Oct 24 2017, 10:34 PM
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#8
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914 Idiot Group: Members Posts: 14,986 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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The 73-74 cars had a fitting that goes from square to round, single outlet. Only the driver's side was connected.
The 75-76 cars had the splitter. Tsvo, do you know how the heater works? The levers in the dash do not turn it on and off, the lower (red) one only points where it goes. The other two are only for fresh (cool) air. The lever between the seats, that has the "DEFROST" label on it, actually lets warm air go from the heat exchangers into the body of the car. That assumes the ducting under the car is connected correctly, of course. --DD |
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| mepstein |
Oct 25 2017, 05:00 AM
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#9
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914-6 GT in waiting Group: Members Posts: 19,272 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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You can still get plenty of heat without a working fan. We just need to see what you have going under the car.
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| bbrock |
Oct 25 2017, 07:30 AM
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#10
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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In addition to what others have said, you can block off those J-tubes that run through your engine tins until you get parts to hook up you blower. That will keep all the hot air from blowing into your engine compartment instead of into the car (assuming everything under the car is hooked up right). As mepstein said, you can get plenty of heat without the blower. That only comes on when you pull the red lever up all the way for full heat.
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| bdstone914 |
Oct 25 2017, 07:39 AM
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#11
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bdstone914 Group: Members Posts: 4,522 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
QUOTE(bbrock @ Oct 25 2017, 06:30 AM) In addition to what others have said, you can block off those J-tubes that run through your engine tins until you get parts to hook up you blower. That will keep all the hot air from blowing into your engine compartment instead of into the car (assuming everything under the car is hooked up right). As mepstein said, you can get plenty of heat without the blower. That only comes on when you pull the red lever up all the way for full heat. (IMG:style_emoticons/default/agree.gif) The ghetto way to block off one or both of the J tubes is to cut off the bottom of a soda can and stick it on with silicone rubber. 914 rubber has the hose. |
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