V 2500 P/U 4WD V8-350 5.7L (1987)
Heater Core: Service and Repair
Without Air Conditioning
Heater Blower Case - Exploded View
REMOVE OR DISCONNECT
1. Battery ground cable.
2. Heater hoses at the core tubes.
CAUTION: The heater core can be damaged near the tube attachment seams if force is applied on them. If the heater hoses do not come off, cut
the hoses forward of the core tubes. Cut the hose on core tubes to remove.
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Drain engine coolant into a clean pan.
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Plug the core tubes to prevent spillage.
