Heater Core Box Leaking - The 1947 - Present Chevrolet & GMC Truck Message Board Network

stevewhitmore · 12-14-2009, 05:27 PM

Hi Guys,
Well, thought I had everything fixed after 6 months of working on it (69 SB) , but the second time out when I got back I had a nice puddle of antifreeze on the floor, It appears to be coming out (dripping) steadily out of the heater box out under the hood, everything is dry inside. Does this mean I have a bad heater core and if so I need some help on how to repair it, never done a heater core before. Do I just unbolt the outside box to get to the core?
Thanks for any advise

12-14-2009, 05:27 PM	#1
stevewhitmore Registered User Join Date: Mar 2009 Location: Harpers Ferry, W VA Posts: 144	Heater Core Box Leaking Hi Guys, Well, thought I had everything fixed after 6 months of working on it (69 SB) , but the second time out when I got back I had a nice puddle of antifreeze on the floor, It appears to be coming out (dripping) steadily out of the heater box out under the hood, everything is dry inside. Does this mean I have a bad heater core and if so I need some help on how to repair it, never done a heater core before. Do I just unbolt the outside box to get to the core? Thanks for any advise



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