Jeep 68003993AA Core-Heater

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For installation, the heater core should be positioned in the housing and the screws should be installed. The seal should be cemented in place to prevent movement when the blower assembly is installed. The remaining components should be reinstalled in reverse order. When installing the blower/evaporator housing, care should be taken to avoid pinching any wiring. The cooling system should be refilled, and for models with air conditioning, the system should be evacuated, recharged, and leak-tested. Finally, the engine should be started and checked for proper operation.