Section 12-02: Heating and Defrosting
1996 F-150, F-250, F-350, F-Super Duty and Bronco, F-Super Duty Motorhome Chassis Workshop Manual
REMOVAL AND INSTALLATION

Outlet Floor Duct

 

Removal

  1. Remove the vacuum hose harness (19C827) from the stowage slot in the heater outlet floor duct (18C433).

  1. Remove the plastic attaching screw from the bottom side of the heater air plenum chamber (18471).

  1. Remove the push nut sleeve from the attaching hole.

  1. Disengage the heater outlet floor duct from the heater air plenum chamber.

Installation

  1. Position heater outlet floor duct on the heater air plenum chamber and engage the lugs inside the heater outlet floor duct with their mating slots in the heater air plenum chamber. Tilt the heater outlet floor duct into place. Then, push it in to secure engagement.

  1. Start the plastic screw into the pushnut sleeve. Then, install them both through the heater outlet floor duct flange and into the attaching hole in the heater air plenum chamber. Be sure that the attachment is secure.

  1. Install vacuum hose harness into stowage slot in heater outlet floor duct.

  1. Test system for proper operation.



    Heater Floor Duct Outlet Installation