Econoline E350 1 Ton V8-5.4L SOHC VIN L (1999)
30. Remove the (A) pushpin from the (B) intake manifold insulator and remove from the (C) lower intake manifold.
31. On 4.6L and 5.4L NGV engines, remove the (A) bolts from the (B) intake manifold tuning valve and remove the intake manifold tuning valve.
Installation
1. On 4.6L and 5.4L NGV engines, position the intake manifold tuning valve and install the bolts.
2. Install the intake manifold insulator on the lower intake manifold and install the pushpin.
