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Got the heater box out on my 65 to replace the core. Now that I have the box apart, I have some questions:
(1) There is some surface rust covering the metal partition in the box behind the heater core. Should I bother trying to clean it up? If so, what should I use? I was thinking about using naval jelly, then flushing with water, but I don't want to damage the fiberglass heater box. Any suggestions?
(2) I will be replacing the foam insulation on the flapper door; what is the best way to clean & prep the flapper door surface?
(3) In order to gain access to the inside of the box, I have removed the metal cover that is riveted to the fiberglass. How do I replace these rivets, is there a special tool to replace them?
(4) Anything else I should do while I have it out?
Sorry for the long post, but I only want to have to do this once...
Thanks in advance for all advice & information
(1) There is some surface rust covering the metal partition in the box behind the heater core. Should I bother trying to clean it up? If so, what should I use? I was thinking about using naval jelly, then flushing with water, but I don't want to damage the fiberglass heater box. Any suggestions?
(2) I will be replacing the foam insulation on the flapper door; what is the best way to clean & prep the flapper door surface?
(3) In order to gain access to the inside of the box, I have removed the metal cover that is riveted to the fiberglass. How do I replace these rivets, is there a special tool to replace them?
(4) Anything else I should do while I have it out?
Sorry for the long post, but I only want to have to do this once...
Thanks in advance for all advice & information
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