LTD Crown Victoria V8-302 5.0L VIN F FI (1986)
Heater Core Case: Service and Repair
Without Air Conditioning
REMOVAL
1. Disconnect the negative (ground) cable from the battery negative (-) terminal.
2. Disconnect the heater hoses from the heater core tubes. Plug the ends of the heater hoses to prevent coolant loss.
3. Plug the heater core tubes securely to prevent coolant leakage from the heater core during plenum removal.
4. Disconnect the control system vacuum supply hose from vacuum source and push grommet and vacuum supply hose into passenger compartment.
5. Remove the three glove compartment hinge screws, disconnect the check strap, and remove the glove compartment.
6. Loosen the right door sill plate and remove the right side cowl trim panel.
7. Remove the bolt attaching the lower right end of the instrument panel to the side cowl.
Instrument Panel Pad Removal And Installation
8. Remove the instrument panel pad.
Plenum And Air Inlet Duct Removal
9. Remove one bolt located below the windshield wiper motor attaching the left end of the plenum to the dash panel.
10. Disengage the temperature control cable housing from the bracket on top of the plenum. Then, disconnect the cable from the temperature blend
door crank arm.
11. Disconnect the vacuum jumper harness at the multiple vacuum connector near the floor air distribution duct.
12. Disconnect the white vacuum hose from the outside air door vacuum motor.
13. Remove one plastic push fastener retaining the floor air distribution duct to the left end of the plenum and remove the floor air distribution duct.
14. Remove two nuts from the two studs along the lower flange of the plenum.
15. Carefully move the plenum rearward to allow the heater core tubes and the stud at the top of the plenum to clear the holes in the dash panel. Then,
remove the plenum from vehicle by rotating the top of the plenum forward, down and out from under the instrument panel. Carefully pull the lower
