I have an ex200lc-5, 1999, the heater quit working yesterday. I took the back panels off behind the seat to access the heater core and controls. The linkage on the heater core is trying to move but is bound up. It try's to move but one of the doors is sticking I think. How do you get the doors out? Or can something be sprayed on the doors to loosen them? It is the ones around the fan itself it has about 4 linkages attached to the actuators. Also do the actuators that open and close these doors get week ? I haven't messed with these before so kind of new. Thanks for any help .
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