I would like to rebuild the heater box in my E-Type. Interior is rusty, seals are shot, spring between flapper and cable is missing and core is probably clogged up. My manual says the first step is to drain the radiator and block. Is that really necessary? It looks like the heater core may be slightly higher than the radiator.
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SII E-Type Heater Box
- Thread starter DJames
- Start date
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Probably best to drop some water before removal.
I would check your bulkhead crossover tubes while you are at it.
Good luck.
I would check your bulkhead crossover tubes while you are at it.
Good luck.
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How old is the coolant?
Crud likes to build up in the intake as well, so a flush isn’t a bad idea.
Crud likes to build up in the intake as well, so a flush isn’t a bad idea.