K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Heater Core: Service and Repair
Without Air Conditioning
BLOWER CASE/HEATER CORE REPLACEMENT
Heater Case Component View
REMOVE OR DISCONNECT
1. Negative battery cable.
2. Coolant bottle.
3. Heater hoses from the core tubes.
4. Screws.
5. Antenna cable at the mast for access.
6. Instrument panel compartment for access.
7. Wiring harness from the computer.
8. Computer.
9. Computer bracket.
10. Kick pad.
11. Right side lower dash panel bolt and nut.
12. Heater case mounting bolts.
13. Heater case from the vehicle.
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Raise the instrument panel for additional room.
14. Heater core from the heater case.
