2004 silverado heater blows cold on drivers side - Chevrolet Forum - Chevy Enthusiasts Forums

2004 silverado heater blows cold on drivers side


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tzakspd's Avatar
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Join Date: Jan 2011
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January 1st, 2011, 5:40 PM   #1  
2004 silverado heater blows cold on drivers side

Hi all....first post...I have a heater problem with my 04 silverado HD duramax...intermittent heat on drivers side usually resolves itself but sometimes doesnt. Heat is always good on the passenger side. It seems to cycle between working and not working. I try to mess with the control on the left side thinking that its the control but am thinking the heater or mixing? door isnt opening. Anybody have some ideas? Thanks

 
dugscaddy's Avatar
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January 9th, 2011, 3:42 PM   #2  
may sound weird but unplug the connector from the control unit in the dash, wait a little while and then plug back in. It has worked for me, don't know why. For some reason disconnecting the battery does not have the same result. Goodluck.

 
CJ_Tiz's Avatar
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January 10th, 2011, 7:13 AM   #3  
its a common problem use the search option as its been talked about many times.

 
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