K 2500 Suburban 4WD V8-454 7.4L (1994)
REMOVE OR DISCONNECT
1. Engine coolant.
2. Rear quarter interior trim, as necessary.
3. Right rear quarter trim panel.
4. Right rear wheelhouse.
5. Auxiliary heater hoses from heater core.
6. Electrical connectors, as necessary.
7. Drain valve.
8. Bolts.
9. Nuts.
10. Heater module.
11. Blower motor, if necessary.
12. Heater case cover.
13. Heater core.
