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07-08-2013, 10:43 AM
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#1 |
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Registered User
Join Date: May 2012
Location: Lyndon, KY
Posts: 225
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Heater Cutoff?
Now that summer is here I have my heater turned off at the controls on the dash but I'm still getting a fair amount of heat coming through the vent under the dash. I thought with the flap closed by the core I would be able to open the vent and get some cooler air to pass through into the cabin.
Any ideas on the best way to stop it? Should I install a valve on the heater hoses? Or, is the flap just stuck? It sure acts closed from the position of the arm connected to the cable. Thanks!
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------ 65 Chevy C10 Fleetside |
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07-08-2013, 01:05 PM
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#2 |
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1965 Chevy C10, 2005 4.8L/4l60
 
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Re: Heater Cutoff?
Put a valve on in and out at the heater hose under the hood, most of us do this so the AC can run optimally.
http://www.autozone.com/autozone/par...alve/_/N-91sh0
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Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684  support our troops! |
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07-08-2013, 02:41 PM
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#3 | |
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But Found Her 25yrs Later!
Join Date: Oct 2010
Location: Oregon City, Oregon
Posts: 10,530
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Re: Heater Cutoff?
Quote:
Posted via Mobile Device
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I lost my 65 - Found it 25 years later: http://67-72chevytrucks.com/vboard/s...d.php?t=426650 66 C20 Service Truck: http://67-72chevytrucks.com/vboard/s...d.php?t=428035 |
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07-08-2013, 02:45 PM
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#4 |
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Registered User
Join Date: May 2012
Location: Lyndon, KY
Posts: 225
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Re: Heater Cutoff?
I just ordered 2 "FOUR SEASONS 84707 Heater Control Valve" off ebay
 Payed 9 dollars for one and 11 for the other. Free shipping. Should take about 10 minutes to put in this weekend! Thanks for the tip! Scott
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------ 65 Chevy C10 Fleetside |
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07-08-2013, 03:54 PM
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#5 |
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Senior Member
Join Date: Aug 2008
Location: Long Beach, CA
Posts: 1,813
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Re: Heater Cutoff?
I used one like this on the 5/8" feed hose: http://www.ebay.com/itm/New-GMC-Ford...-/350585704301
 I got a long cable and mounted it to the "Heat" lever on my deluxe heater controls. So now the lever not only closes and opens the air flap, but also closes and opens the fluid valve at the same time.
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Jason M. @argonaut62 1972 K5 Blazer CST, Turquoise 1966 K20 Short Fleet Pickup, Big Ugly 1964 C10 Short Fleet, Gertrude 2001 Porsche 911 Carrera 1996 Ford Bronco XLT 1980 Jeep Wagoneer 2008 Honda CBR1000RR 2005 Honda RC51 1981 Honda CB750C No dis-assemble Johnny Five! No dis-assemble! |
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07-08-2013, 05:02 PM
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#6 |
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Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,229
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Re: Heater Cutoff?
I always use the one Argo shows. You can hook a cable to it or turn it manually.
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07-08-2013, 05:08 PM
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#7 |
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But Found Her 25yrs Later!
Join Date: Oct 2010
Location: Oregon City, Oregon
Posts: 10,530
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Re: Heater Cutoff?
What happens when the water pump tries to push water through that hose? Doesn't closing that hose create back pressure on the water pump?
Posted via Mobile Device
__________________
I lost my 65 - Found it 25 years later: http://67-72chevytrucks.com/vboard/s...d.php?t=426650 66 C20 Service Truck: http://67-72chevytrucks.com/vboard/s...d.php?t=428035 |
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07-08-2013, 05:29 PM
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#8 | |
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Registered User
Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
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Re: Heater Cutoff?
Quote:
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07-08-2013, 05:39 PM
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#9 |
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Registered User
Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
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Re: Heater Cutoff?
Pic of ball valve (lower left w/ red handle).
Nipple available at some auto parts stores. |
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07-08-2013, 07:31 PM
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#10 | |
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Registered User
Join Date: Feb 2009
Location: southeasternfoothillsofusa
Posts: 1,557
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Re: Heater Cutoff?
Quote:
 )Thanks for the help, and still hoping for F-I, some day, on my '66 with stock, yet carb'd, vortec. Sam |
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