Navigator 4WD V8-5.4L SOHC VIN 5 (2005)
8. Disconnect the quick-disconnect fittings at the heater core.
9. Disconnect the fittings at the thermostatic expansion valve.
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Discard the O-ring seals.
10. Disconnect the A/C fittings at the evaporator core.
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Discard the O-ring seals.
11. Remove the nut.
