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Originally Posted by twobitts
Got a 95 cherokee sport, not getting any heat from vents or defroster. Replaced radiator and thermostat about 2 months ago, also installed new heater hoses, and vacume controled flap. heater hoses get hot, can see the vacume controlled plunger activating, but hoses going from valve into firewall, cold as ice. Don't think heater core is clogged. Checked with lung pressure,(Not scientific, but works) blew in one hose, water came out of other. Please help.
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About all you have left is the coolant control valve and the hoses between that and the heater core.
When my Jeep (92) had the radiator replaced a couple of months ago, the coolant control valve "fell apart" when trying to get the hoses off. It had to be replaced.
Good Luck & Take Care,