F 450 4WD Super Duty V10-6.8L VIN Z CNG (2003)
14. If equipped, disconnect the Exhaust Gas Recirculation (EGR) valve-to-exhaust manifold tube lower fitting.
15. If equipped, remove the EGR transducer bracket.
16. If equipped, remove the EGR valve to exhaust manifold tube.
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Disconnect the upper fitting.
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Remove the tube.