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Discussion Starter · #1 ·
My '69 non-ac BB has sprung a leak in one of the inlets to the heater core. Is it possible to replace one of these on a BB from inside the car? I was able to do this on my '70 once even though the factory manual said to loosen the fender etc. Also is it possible to fix these by brazing the hole if I can get to it w/out pulling the heater core. I know replacing these is a PIA. Thanks.


[This message has been edited by 70 RS/Z-28 (edited 07-29-2001).]
 

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The problem with changing the core out is that all the bolts have to be removed frome the cover. they go all the way around and there are several behind the pass fender. the manual says to loosen the fender from the rocker panel and hold it out with a piece of wood. once you get the cover off, there are clips that hold the core inplace. those clips are not really accessible from inside. iIf you try it from the inside you still have to remove all the cover bolts then remove the glove box, remove all the vents and all the cables that go to the heater control. the heater control thing is a real pain. the biggest problem with the hole thing is that the blower motor is just in a bad spot. 60s engineering!!!!
Good luck!
 

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Discussion Starter · #3 ·
396 cid, thanks for the quick response.

Update, I found the leak in the top inlet tube. I was able to remove the small cover on the heater box behind the heater hoses and get a torch in there to braze the hole. Since it's late, I'll let it sit overnight before I fire it up. Hopefully I've dodged the bullet and it won't leak.
 

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Sound like you got your problem fixed. If not and you really don't need your heater or you want to leave it to fix later...unhook your heater hoses and take the nipple out of the intake and water pump. You can take a die and thread the inside of the nipple and then put a plug in it and screw them back in. Put on your hoses and no-one will know better.
Peter
 

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Discussion Starter · #5 ·
Fired it up and it still leaks.
I think I will try COPO PETE's idea. I don't need my heater and I sure don't feel like tackling this job now. Thanks for the tip.
 

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Discussion Starter · #7 ·
Charley, thanks for chiming in. This is your old hand me down L-78 conv. You want to fly in and give me a hand? I have some extra PGA tickets


[This message has been edited by 70 RS/Z-28 (edited 07-29-2001).]
 
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