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Lincoln
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2005
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Navigator RWD
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Automatic Transmission
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Description And Operation
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Range Selection
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D4
Range Selection: D4
The D4 position provides:
automatic shifts 1-4 and 4-1.
apply and release of the torque converter clutch.
engine braking in 1-4 gears.