Convert a 1998 Buick Century Heater Core
The heating action in your 1998 Buick Century pulls heat strength from the engine coolant and transfers it to the passenger nature. You sincere where that heat goes by adjusting the settings on the sprint. The heater core is a baby radiator that sits inside the vehicle cabin, and the settings on the sprint unfastened and lasting contradistinctive vents to government the source of air (inside or elsewhere) and where it goes (floor, windscreen, sprint). A fan endure the heater core determines how dense the air blows.
Instructions
Removing the Heater Core
1. Lift the hood and prop it cleared. Makes confident the engine is below zero. Conduct the radiator cap. Regulate the radiator void on the backside of the radiator and the two coolant drains near the oil pan. You can reuse the coolant unless it appears cloudy and contaminated. Brisk all three bleed openings once all the coolant has drained from the manner.
Disconnect the contrary battery cable with a socket wrench or box wrench. Avoid using open-end wrenches on the battery terminals, as they tend to strip the bolt heads.2. Abode a void pan under the radiator.
3. Disconnect the inlet and Issue hoses of the heater core inside the engine compartment using a socket wrench. Be prepared to capture or clean up any coolant that drips from these hoses. Extract the coolant from inside the heater core.
4. Unscrew and remove the lower instrument panel sound insulator from below the dashboard on the passenger side. Apply a socket or screwdriver to loosen and remove the screws on the heater floor Issue. Remove the clips and return absent the duct.
5. Loosen and remove the screws holding the heater core insert in dwelling. Remove the embrace.
6. Remove the retaining bolts holding the heater core in community. Remove the heater core.
Installing the Heater Core
7. Position the replacement heater core and secure the retaining bolts. Lay the contain back on the heater core and reattach the screws and clips.
8. Reinstall the floor Issue duct with its screws and clips, followed by the lower instrument panel sound insulator.
9. Reconnect the inlet and Issue hoses to the heater core In the engine compartment.
Refilling the Cooling System
10. Tighten all of the drains. Fill the radiator up to the mannequin of the radiator neck with antifreeze, reusing the fossil coolant whether it's Disinfected. Fill the coolant overflow tank up to the "FILL" aim.
11. Reconnect the anti cable on the battery and launch the engine, moulding sure you leave the radiator cap off. With the engine idling, look into the radiator and notice that the coolant level has dropped. Add coolant until the level is back up to the base of the radiator neck. Add coolant to the "FILL" mark on the overflow tank. Put the radiator cap on, making sure the arrow on it points to the overflow tank.
12. Squeeze the large return hose leading to the top of the radiator with the engine still running. The hose should begin to feel hot, indicating that the thermostat has opened and is functioning properly.
13. Check for leaks in the cooling system.
