F 150 Super Crew 4WD V8-5.4L Prop SOHC VIN Z (2003)
Heater Core: Service and Repair
Removal and Installation
REMOVAL
NOTE: If a heater core leak is suspected, the heater core must be pressure leak tested before it is removed from the vehicle.
1. Drain the radiator.
2. 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
3. Disconnect the heater core hose couplings.
4. Remove the A/C plenum demister adapter.
1
Remove the screw.
2
Remove the A/C plenum demister adapter.
5. Remove the screws and position aside the relay bracket.
