Park Avenue V6-3.8L SC VIN 1 (2005)
Housing Assembly HVAC: Service and Repair
HVAC MODULE ASSEMBLY REPLACEMENT
TOOLS REQUIRED
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J 37097-A Heater Hose Clamp Tool
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J 38185 Hose Clamp Pliers
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J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Drain the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
3. Remove the evaporator hose nut from the evaporator.
4. Remove the evaporator hose and the accumulator tube from the evaporator.
5. Remove and discard the O-rings from the evaporator hose and accumulator tube.
6. Remove the heater hoses from the heater core using the J 37097-A.
7. Plug the heater core and evaporator core openings to prevent leaking into the vehicle when removing the HVAC module assembly.
8. Remove the instrument panel (I/P) assembly.
9. Remove the defroster duct screws.
10. Remove the defroster duct.