K 2500 Truck 4WD V8-454 7.4L VIN J SFI (1997)
Heater Hose: Service and Repair
Heater Inlet Hose
Heater Hose Routing
Quick Connect Heater Inlet Connector
Tool Required:
J 38723 Heater Line Quick Connect Separator
Remove or Disconnect
1. Engine coolant.
2. Inlet hose from generator bracket.
3. Inlet hose at fender clip.
4. Inlet hose clamp at heater core, water shut off valve or tee fitting.
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Loosen the clamp enough to slide the clamp away from the fitting on the inlet hose.
5. Inlet hose from heater core.
6. Push inlet hose into connector and insert J 38723 or equivalent into connector to release locking tabs.
7. Pull retainer and hose from heater inlet connector.
Inspect
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O-ring sealing surface on hose/pipe.