F 150 2WD Lightning V8-5.4L SOHC SC VIN 3 (2001)
Heater Core: Service and Repair
REMOVAL
NOTE: If a heater core leak is suspected, the heater core must be leak-tested before it is removed from the vehicle. See: Testing and Inspection
1. Disconnect the battery.
2. Drain the cooling system.
3. Remove the instrument panel. Refer to: Body and Frame, Interior Trim, Dashboard/Instrument Panel, Service and Repair, Removal and
Installation, See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument Panel/Service and Repair/Removal and Installation
4. Compress the holding tabs and disconnect the heater water hoses at the heater core.
5. Remove the A/C plenum demister adapter.
1
Remove the screw.
2
Remove the A/C plenum demister adapter.
6. Disconnect the vacuum line.
