SECTION 412-02: Auxiliary Climate Control
2014 Flex Workshop Manual
REMOVAL AND INSTALLATION
Procedure revision date: 05/02/2013

Auxiliary Heater Core


Item Part Number Description
1 — Auxiliary heater core tubes (part of 18476 kit)
2 18B299 Auxiliary heater core access cover
3 18476 Auxiliary heater core
4 — O-ring seals (part of 18476 kit)
5 — Auxiliary heater core access cover screws

Removal and Installation

  1. Remove the auxiliary climate control housing. For additional information, refer to Auxiliary Climate Control Housing in this section.
  1. Remove the 2 auxiliary temperature blend door actuator screws and position the actuator aside.

  1. NOTICE: The auxiliary line floorpan bracket screws are loosened only to allow the auxiliary heater core tubes to be removed. Do not fully disassemble the floorpan bracket or separate the floorpan gasket from the bracket. If the floorpan gasket is separated from the bracket, or if it is damaged, a new gasket must be installed to avoid noise and water leak concerns.

    Loosen the 2 auxiliary line floorpan bracket screws.
  1. Remove the 2 auxiliary heater core tube clips at the heater core.
    1. Release the auxiliary heater core tube clip retaining tabs.
    1. Remove the auxiliary heater core tube clips.
  1. Remove the auxiliary heater core tubes.
  1. Remove the 2 screws and the auxiliary heater core access cover.
  1. Remove the auxiliary heater core.
  1. To install, reverse the removal procedure.