I cut off the rusted out lines with a small tubing cutter and replaced them with regular heater hose and clamped the ends. Copper tubing and hose clamps also work.
Your heater core is probably bad.
Replace heater motor resistor.
The heater would not be working on a 1990 Dodge Grand Caravan if the heater core is damaged or blocked. Hot coolant from the engine must flow through the core to allow hot air to pass into the cabin.
in the coolant resivor
Low Coolant? Bad thermostat? Heater core plugged or restricted? Heater core airbound? Heater control cable not working?
The primary coolant type used for a 2008 Dodge Grand Caravan 3.8 is G-05. It is a synthetic coolant with an orange appearance.
How to replace Wiper Blades on 2003 Dodge grand caravan ?
how to remove the alternator on 2006 dodge caravan 3.3 lite and also replace the new alternator back on 2006 dodge caravan
The Dodge Caravan heater was invented in 1984 by the Dodge and Mopar companies. Since it's creation it has evolved into a much bigger and popular van.
Is there a Video that I can watch on How do you Replace the Alternator on a 1994 Dodge Caravan?
Green.
green