Grand Prix V6-204 3.4L DOHC VIN X SFI (1995)
Heater Core: Service and Repair
HEATER CORE
NOTE: The OEM service manual does not provide images for this procedure.
TOOL REQUIRED:
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J 38543 Heater Hose Clamp Tool
REMOVE OR DISCONNECT
1. Air cleaner and duct assembly.
2. Drain coolant.
3. Upper intake manifold. See: Engine/Intake Manifold/Service and Repair
4. Fuel lines. See: Engine/Cylinder Head Assembly/Fuel Pressure Release/Service and Repair
5. Upper radiator hose at engine.
6. Exhaust crossover pipe.
7. Transmission dipstick tube.
8. Both heater hoses at heater core.
9. Right and left instrument panel sound insulators.
10. Rear compartment heat duct adapter bolt/screw and adapter.
11. Heater outlet duct bolts and duct.
12. Heater core cover.
13. Heater core.
INSTALL OR CONNECT
1. Heater core.
2. Heater core cover.
TIGHTEN
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Screws to 3 NM (27 lb in).
3. Heater outlet duct and bolt/screws.
TIGHTEN
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Screws to 2 Nm (18 lb in).
4. Rear compartment heat duct adapter and bolts/screws.
TIGHTEN
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Bolts/screws to 3 Nm (27 lb in).
5. Right and left instrument panel sound insulators.
6. Both heater hoses and clamps to heater core.
7. Transmission dipstick tube.
8. Exhaust crossover pipe.
9. Upper radiator hose to engine.
10. Fuel lines.
11. Upper intake manifold.
12. Refill coolant.
13. Air cleaner and duct assembly.
TIGHTEN
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Bolts to 5 Nm (44 lb in).