REMOVAL & INSTALLATION
Fig. Fig. 1 Locations of major EFI system components-8-460 (7.5L) EFI engines
Fig. Fig. 2 Exploded view of the upper intake manifold installation-8-460 (7.5L) EFI engines
Disconnect the throttle and transmission linkages at the throttle body.
Remove the two canister purge lines from the throttle body.
Tag and disconnect the:
throttle bypass valve wire
throttle position sensor wire
EGR position sensor wire
MAP sensor vacuum line
EGR vacuum line
fuel pressure regulator vacuum line
EGR valve flange nut
Disconnect the water lines at the throttle body.
Remove the 4 upper intake manifold bolts and lift off the manifold.
Installation is the reverse of removal. Always use new gaskets. Torque the manifold bolts to 18 ft. lbs. (24 Nm).