Heater/Defrost Help Needed - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**JJanzen** · 10-03-2009, 03:55 PM

Last year I took all of my interior heater/ac component (on the inside) apart, cleaned and fixed all my hoses with some replacements. Everything worked great. This year, when firing up the system last week, I got very little air out of either the defrost or heater duct (on the hump) but am gettting hot air out of the center, passenger and driver's side AC vents. Is this an issue with vacumn or ??? Any help would be appreciated! Thanks.

Joel

10-03-2009, 03:55 PM	#1
JJanzen Senior Member Join Date: Feb 2008 Location: Denver, CO Posts: 252	Heater/Defrost Help Needed Last year I took all of my interior heater/ac component (on the inside) apart, cleaned and fixed all my hoses with some replacements. Everything worked great. This year, when firing up the system last week, I got very little air out of either the defrost or heater duct (on the hump) but am gettting hot air out of the center, passenger and driver's side AC vents. Is this an issue with vacumn or ??? Any help would be appreciated! Thanks. Joel __________________ Blue72 Red72



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