B250 3/4 Ton Van V8-318 5.2L VIN T FI (1992)
a. Turn the intake manifold upside down. Support the manifold.
b. Remove the bolts and lift the pan off the manifold. Discard the gasket.
Installation
1. Install the plenum pan, if removed, as follows:
a. Turn the intake manifold upside down. Support the manifold.
b. Place a new plenum pan gasket onto the seal rail of the intake manifold. Position the pan over the gasket. Align all the gasket and pan holes
with the intake manifold.
c. Hand start all bolts.
Plenum Pan Bolt Tightening Sequence
d. Tighten the bolts, in sequence, as follows:
Step 1 - Tighten bolts to 2.7 Nm (24 in. lbs.) torque.
Step 2 - Tighten bolts to 5.4 Nm (48 in. lbs.) torque.
Step 3 - Tighten bolts to 9.5 Nm (84 in. lbs.) torque.
Step 4 - Check that all bolts are tighten to 9.5 Nm (84 in. lbs.) torque.
2. Using a new gasket, install the throttle body onto the intake manifold. Tighten the bolts to 23 Nm (200 in. lbs.) torque.
