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#1 |
Watchin the rust grow
![]() Join Date: Oct 2008
Location: Western Nebraska
Posts: 950
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Heater don't work and it's gettin' chilly
Just replaced the heater core and still no heat, it look practically brand new. What would cause a heater to not work? Pleae give me some places to start.
Thanks
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1979 Chevy K10 (H/D Front end) - 350 w/ Holley Truck Avenger, Weinald Intake manifold, headers, bored .060 over, mild cam, Built up TH350 (TranStar Shift kit) with a part-timed NP203 t-case SOLD ($3,000) 1997 Chevy Silverado 1500 - 4.3 vortec, extended cab, 21 highway MPG, stock. "Red" SOLD ($3,000) 1987 Toyota 4wd Pick-up - work in progress, future DD SOLD ($1,850) 1998 Dodge Ram 2500 Cummins 5spd Quad cab - old 12 valve with some work done ![]() 2004 Chevy Silverado - Black, 4x4, 5.3L, stock for now Underneath that rust is a heart of gold
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#2 |
Registered User
Join Date: May 2010
Location: ambler, pa
Posts: 325
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Re: Heater don't work and it's gettin' chilly
This may sound like a stupid question but are all the cables attached to the control unit and where they lead to?
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Just would like the snow to stop so I can actually work on my truck!!!!!!!!!!! |
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#3 |
78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: Heater don't work and it's gettin' chilly
feel the hoses going to the core do they get warm,did you burp out the air?
when you say it looked new,did you put one in or it looked ok?did you try flushing just it with a hose,even while in truck.there are air lines to the controls that require vacume to work
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 Last edited by motornut; 09-14-2010 at 07:52 PM. |
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#4 |
Watchin the rust grow
![]() Join Date: Oct 2008
Location: Western Nebraska
Posts: 950
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Re: Heater don't work and it's gettin' chilly
A line had a clog in it, replaced the line and it works now.
Thanks for your help
__________________
1979 Chevy K10 (H/D Front end) - 350 w/ Holley Truck Avenger, Weinald Intake manifold, headers, bored .060 over, mild cam, Built up TH350 (TranStar Shift kit) with a part-timed NP203 t-case SOLD ($3,000) 1997 Chevy Silverado 1500 - 4.3 vortec, extended cab, 21 highway MPG, stock. "Red" SOLD ($3,000) 1987 Toyota 4wd Pick-up - work in progress, future DD SOLD ($1,850) 1998 Dodge Ram 2500 Cummins 5spd Quad cab - old 12 valve with some work done ![]() 2004 Chevy Silverado - Black, 4x4, 5.3L, stock for now Underneath that rust is a heart of gold
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