B2300 SE Regular Cab 2WD L4-2.3L VIN D (2001)
Heater Core: Service and Repair
REMOVAL/INSTALLATION
NOTE: If a heater core leak is suspected, the heater core must be leak tested before it is removed from the vehicle.
1. Remove the instrument panel.
2. Remove the evaporator core housing.
3. Remove the powertrain control module (PCM).
4. Remove the PCM heat sink.
1. Remove the ground strap screw.
2. Remove the heat sink.
5. Remove the four nuts from the engine side of the dash panel. Position the plenum chamber on the vehicle floor.
6. Remove the heater core cover.
1. Remove the screws.
2. Remove the heater core cover.