Heater Core R&R on '70 LS - Anybody done this before?

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Old December 9th, 2008, 11:08 AM
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Heater Core R&R on '70 LS - Anybody done this before?

How much of the dash needs to be pulled to get to it?
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Old December 11th, 2008, 11:47 AM
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rocwal
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70 olds LS heaater

Don.
from what i remember and just looking at my 68 manual u have to remove all compontents to the air and heat box under dash ,defroster, vac lines,routing hoses, etc, mabey the radio , would be easier with it out. then there is 4 or 5 bolts with nuts on firewall side needs to be removed from firewall side,also drain the radiator, remove the heater hoses at firewall and the whole assembly should come into the interior of car . lots of luck.
do you have a manual for the 70 98 ?

Don did you get pictures of the carb breather ?

rocwal
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Old December 11th, 2008, 01:23 PM
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Thanks Dan.

Yes I do have a manual, but I was hoping for tips from anyone that has actually done it before.

It is not like I need the heater all that often down here in Phoenix anyway!

I did get the pics. Thanks.
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Old December 11th, 2008, 06:21 PM
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rocwal
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remove heater core 70 OldsLS

Don
.is your heater core leaking or is just not putting out heat ? If it is heat then it may be the valve on the motor not opening or the control from selector inside on dash.

roc wal
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Old December 12th, 2008, 08:33 AM
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No, it was leaking. I bypassed it a couple of years ago. Hopefully I have the correct new one, but I have my doubts as it came from NAPA.
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Old December 12th, 2008, 08:44 AM
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From my experience I would trust NAPA employees to find a correct part more often than PepBoys, Auto Zone, and even some O'Reilly's although I have found a good local O'Reilly store that has good employees so I am lucky.
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