F 150 4WD Pickup V8-5.4L VIN V Flex Fuel (2006)
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Installation of a new suction accumulator is not required when repairing the air conditioning system except when there is physical evidence of
contamination from a failed A/C compressor or damage to the suction accumulator.
1. Remove the instrument panel. Refer to: Body and Frame, Interior Moulding/Trim, Dashboard/Instrument Panel, Service and Repair, See: Body
and Frame/Interior Moulding / Trim/Dashboard / Instrument Panel/Service and Repair
2. Remove the suction accumulator.
3. Disconnect the evaporator core spring lock coupling.
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Discard the O-ring seals.
4. Clamp off and disconnect the 2 heater core quick disconnect fittings.
5. Remove the 3 heater core and evaporator core housing nuts.
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To install, tighten to 9 Nm (80 lb-in).
6. Disconnect the 2 harness electrical connectors.
7. Remove the air inlet duct bracket nut.
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To install, tighten to 7 Nm (62 lb-in).
8. Remove the bolt and position the junction box aside.
9. Loosen the nut and remove the heater core and evaporator core housing.
1
Detach the clip.
2
Completely loosen the nut.
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To install, tighten to 7 Nm (62 lb-in).
3
Remove the heater core and evaporator core housing.
10. To install, reverse the removal procedure.
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Install new O-ring seals.
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Lubricate the refrigerant system with the correct amount of clean PAG oil.
11. Fill the engine cooling system.