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#1 |
Registered User
Join Date: Nov 2008
Location: Gwinnett GA
Posts: 1,803
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Throttle sticks when using defrost
Not sure about this... PO put a new heater control in. I don't see where the throttle cable is binding. Seen this before? Quadrajet carb and an AC truck but compressor isn't hooked up.
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1982 K10 SWB 1987 V20 - Sold - Doh! |
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#2 |
Registered User
Join Date: Aug 2012
Location: concord ga
Posts: 189
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Re: Throttle sticks when using defrost
if your truck has a/c it has a idle compensator hooked up to the carb.so it comes on when changing over to defrost if your a/c works i would keep it on there. if not just unplug it its has green wire going to it
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#3 |
Registered User
Join Date: Nov 2008
Location: Gwinnett GA
Posts: 1,803
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Re: Throttle sticks when using defrost
Found it. Fixed. I guess an AC compressor really chokes out these old trucks huh?
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1982 K10 SWB 1987 V20 - Sold - Doh! |
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#4 |
Registered User
Join Date: Jul 2011
Location: SW Ontario
Posts: 1,221
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Re: Throttle sticks when using defrost
A carb does not have the luxury of adjusting on the fly.
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#5 |
Registered User
Join Date: Nov 2008
Location: Gwinnett GA
Posts: 1,803
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Re: Throttle sticks when using defrost
Actually its still sticking after unplugging that compressor wire. The search continues
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1982 K10 SWB 1987 V20 - Sold - Doh! |
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#6 |
Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,663
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Re: Throttle sticks when using defrost
Might make sure the cable for the heat/cold flapper didn't get ran around the throttle cable under the dash when the PO replaced the heater control. Or a random wire bundle that moves just enough when the heat is on. IIRC every thing else is vacuum controls.
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#7 | |
Registered User
Join Date: Jul 2011
Location: SW Ontario
Posts: 1,221
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Re: Throttle sticks when using defrost
Quote:
Alex. |
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#8 |
Registered User
Join Date: May 2015
Location: Montana
Posts: 3,696
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Re: Throttle sticks when using defrost
I must admit that when I first saw this thread, I thought about the "throttle stick" that I would wedge between the seat and the gas pedal to keep my old pickup running while it warmed up
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Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner |
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#9 |
Registered User
Join Date: Nov 2008
Location: Gwinnett GA
Posts: 1,803
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Re: Throttle sticks when using defrost
That's funny. Axle had it right. I pulled that wire and it doesnt stick now. I assume if I had a belt on the compressor I would need to plug it back in to use defroster
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1982 K10 SWB 1987 V20 - Sold - Doh! |
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