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Thread Tools | Display Modes |
01-30-2006, 12:09 AM
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#1 |
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Registered User
Join Date: Jan 2006
Location: Houston
Posts: 434
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Heater control valve - 71 pickup
Got my ac vacuum control switch working today. Also, got the vacuum hoses hooked up. I noticed when I moved everthing to heat, the control valve would leak. Does this indicate a bad control valve or is something hooked up wrong?
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01-30-2006, 04:49 AM
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#2 |
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Registered User
Join Date: Aug 2004
Location: san marcos,tx
Posts: 266
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Re: Heater control valve - 71 pickup
i havent seen one leak, well the hose running to it, but not the valve its self. sure couldnt hurt to replace it though, they are not very expensive.
__________________
72 GMC sierra 3/4 ton 402 bb  68 GMC 3/4 ton  2010 camaro rs: daily driver |
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01-30-2006, 10:30 PM
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#3 |
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Registered User
Join Date: Jan 2000
Location: Wyoming USA
Posts: 2,446
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Re: Heater control valve - 71 pickup
Is it a new valve or old one you might have some debris in it not letting it seat right.What size of vacum hose did you use?
__________________
2001 Silverado K-1500 2005 FXDWG stage3 69 CHEVY Short/Step 327/4L60 373 posi 63 IMPALA 327 |
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01-30-2006, 11:47 PM
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#4 |
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Registered User
Join Date: Jan 2006
Location: Houston
Posts: 434
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Re: Heater control valve - 71 pickup
It's an old valve. Debris did cross my mind. Guess I'll have to check. I used the normal sized small hose for vacuum. Sam size as what connects to the control panel in truck.
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