Join Date: Oct 2014
Location: Lake Arrowhead, Ca.
Mentioned: 1 Post(s)
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On my '67 there was a dimple in the inner fenderwell to center a 1" hole saw on, I drilled it and was able to remove the nut with my magnetic nut driver.
A rubber 1" plug went into the hole.
I had to replace the whole unit because some hack replaced the heater core by cutting out all the supports so he could remove the core from the inside of the car.
The new core broke @ the inlet neck because the core wasn't secured and was just flopping around in the plenum.
The heater control was a mess, the new control cable was installed wrong as were all the hoses.
The A/C works a lot better now that the heater isn't running at the same time.