F 450 2WD Super Duty V10-6.8L VIN S (1999)
15. Disconnect the EGR transducer vacuum lines.
16. Remove the EGR transducer bracket.
17. Position the EGR valve to exhaust manifold tube aside.
^
Disconnect the upper fitting.
^
Loosen the lower fitting.
^
Position the tube aside.
18. Disconnect the EGR valve vacuum line.