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Re: Heater Problems
Are you sure your radiator is topped off? Have you checked since trying to use the heater? Reason I ask, you are describing a classic situation where there is an air lock in the system. Air lock is trapped air, in your case the heater core. Sqeeze the hoses, do you feel water moving? IF not you will need to purge the air.
IF your radiator is full while running.
Try this. Get the engine up to normal operating tempurature. Feel the rubber lines going to and from the heater core. Be aware of moving parts and avoid them. Both heater core lines should be warm.
IF only one is warm you have a blockage somewhere. Try flushing just the heater core.
IF both are warm, the problem lies elsewhere. Maybe a vent is stuck closed preventing the air from circulating around the heater core.
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