Express 1/2 Ton Van V6-4.3L VIN X (2003)
Intake Manifold: Service and Repair
Upper Intake Manifold Replacement
Intake Manifold Replacement - Upper
Removal Procedure
Important: You do not have to remove the upper intake manifold in order to remove the lower intake manifold.
1. Remove the engine cover.
2. Remove the air cleaner assembly.
3. Remove the coolant reservoir bolt and set the reservoir aside.
4. Disconnect the positive crankcase ventilation (PCV) tube from the air cleaner outlet duct.
5. Remove the retaining nut (1) from the air cleaner outlet.
6. Remove the air cleaner outlet duct (2) from the throttle body assembly.
7. Disconnect the accelerator control cable from the throttle shaft and the accelerator control cable bracket.
8. Disconnect the cruise control cable, if equipped, from the throttle shaft and the accelerator control cable bracket.
