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10-13-2011, 10:27 PM
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#1 |
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Registered User
Join Date: Jan 2011
Location: colorado
Posts: 59
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heater core help!!!???
i have a 1972 gmc truck that once had air conditioning but doesnt any more the po pulled almost all of the air stuff out from under the hood so the heater core lines are not hooked up. it might of had a bad heater core once so i want to hook up the heater core lines to the radiator and engine block but am not sure what hose goes where. anyone have pics of where they go??? any help would be awesome!!!
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10-14-2011, 12:32 AM
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#2 |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: heater core help!!!???
Heres a pic of my 70 with factory air, The yellow circle is where they enter the cab, 72 will be the same.
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10-14-2011, 12:33 AM
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#3 |
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: heater core help!!!???
Okay this should work
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10-14-2011, 10:01 AM
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#4 |
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Registered User
Join Date: Jan 2011
Location: colorado
Posts: 59
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Re: heater core help!!!???
thanks for the pics clinebarger but i need to know where hoses go into the block and radiator. they are still hooked up at the heater core and wich hose goes where.
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10-14-2011, 10:47 AM
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#5 |
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Florida Edition
  
Join Date: Oct 2010
Location: Fruitland Park, FL
Posts: 4,022
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Re: heater core help!!!???
Maybe I can help....bottom hose (small) goes to heater control valve then to the intake, top goes to the water pump. If you need more info let me know, I had the same situation.
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70 GMC Short Stepside "Rose"-An American Beauty: Factory 402/TH400, AM/FM, AC, Tilt, Tach, Buckets, Posi, PS, PB, 3-5 Drop, Complete Resto-Rod 67 C-20 Slant Back Wrecker "Mad Max" 67 C-10 Ratrod "Step-N-Wolf" 71 Serro Scotty Sportsman camper "Scotty" 97 LT1 Z28 "The Hornet" Link to more pics of "Rose" http://67-72chevytrucks.com/vboard/a...p?albumid=1684 Check out my "Cheap Tricks" thread and add to it if you can, lots of good info there. http://67-72chevytrucks.com/vboard/s...d.php?t=489394 Last edited by RenoKeene; 10-14-2011 at 10:51 AM. Reason: Had it backwords |
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10-14-2011, 01:20 PM
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#6 |
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Registered User
Join Date: Jan 2011
Location: colorado
Posts: 59
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Re: heater core help!!!???
thanks renokeene thats exactly what i was looking for!!! since it doesnt have ac parts anymore can i eliminate the heater control valve and just run two strait lines???
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10-14-2011, 01:54 PM
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#7 |
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Florida Edition
Join Date: Oct 2010
Location: Fruitland Park, FL
Posts: 4,022
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Re: heater core help!!!???
Yes you can. If it's an old heater core you might want to flush it out and see what comes out of it and see if it leaks (in the cab). If your going to put in a new one I can help, I rebuilt a whole AC unit, box and all.
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70 GMC Short Stepside "Rose"-An American Beauty: Factory 402/TH400, AM/FM, AC, Tilt, Tach, Buckets, Posi, PS, PB, 3-5 Drop, Complete Resto-Rod 67 C-20 Slant Back Wrecker "Mad Max" 67 C-10 Ratrod "Step-N-Wolf" 71 Serro Scotty Sportsman camper "Scotty" 97 LT1 Z28 "The Hornet" Link to more pics of "Rose" http://67-72chevytrucks.com/vboard/a...p?albumid=1684 Check out my "Cheap Tricks" thread and add to it if you can, lots of good info there. http://67-72chevytrucks.com/vboard/s...d.php?t=489394 |
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