Are you saying that the rear heater core always has flow through it, even when the rear heat is off?
Coolant Leaking from behind rear wheel
- Thread starter RoverTide
- Start date
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Rover Range
Full Access Member
Yes. Same with the front heater core.
Interesting. So you're just diverting the air around the heater core for colder air, and back through it for warmer air?
I've not had mine apart, but on my old FJ-40, the valves controlled the coolant, not the air. I can see why it's harder to control coolant, though!
Rover Range
Full Access Member
Here's the air flow path on the rear heater assembly.
5 is the heater core. 1 is the air diverter door.
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