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Old 12-06-2012, 01:56 AM   #1
coggonobrien
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2001 chevy 2500 hd lost my cab heat

any known issues that would make us loose heat in the cab? blending door??? how tough on the repair.

THanks,
David
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Old 12-06-2012, 11:02 PM   #2
clinebarger
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Re: 2001 chevy 2500 hd lost my cab heat

Check water level.
Check for BOTH heater hoses getting HOT at normal temp.
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Old 12-07-2012, 10:51 AM   #3
coggonobrien
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Re: 2001 chevy 2500 hd lost my cab heat

water level good both heater hoses hot
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Old 12-07-2012, 06:42 PM   #4
67ChevyRedneck
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Re: 2001 chevy 2500 hd lost my cab heat

Are you sure they're hot and not warm? It's faily common for the heater core to get clogged. I back flushed mine last year and a turd of stuff came out. It's common when you don't change the dexcool every 5yrs/100K (I didn't either...)
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Old 12-07-2012, 06:50 PM   #5
longbed67
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Re: 2001 chevy 2500 hd lost my cab heat

Did you check the fuse box to see if you have a blown fuse. Was in a 03 chevy truck where this happened and turned out to be a fuse.
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Old 12-07-2012, 07:58 PM   #6
bighaas79
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Re: 2001 chevy 2500 hd lost my cab heat

Check to make sure the temp door actuator is working. Common issue for the actuators to go bad in these trucks.
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