S10/T10 Blazer 4WD V6-262 4.3L (1989)
REMOVE OR DISCONNECT
1. Coolant from the radiator.
2. Inlet and Outlet Hoses.
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Plug or cap the hoses to prevent spillage.
3. Rear cover and screws.
4. Brackets.
5. Core.
INSTALL OR CONNECT
1. Core.
2. Brackets.
3. Rear cover and screws.
TIGHTEN
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Screws to 3 Nm (27 lb in).
4. Inlet and Outlet Hoses. Refer to "Heater Hose Replacement".