Intake Manifold - High Output

INTAKE MANIFOLD HIGH OUTPUT

REMOVAL - HIGH OUTPUT ENGINE

WARNING: RELEASE FUEL SYSTEM PRESSURE BEFORE SERVICING FUEL SYSTEM COMPONENTS. SERVICE VEHICLES IN WELL VENTILATED AREAS AND AVOID IGNITION SOURCES. NEVER SMOKE WHILE SERVICING THE VEHICLE.

1. Disconnect negative cable from battery.
2. Perform fuel system pressure release procedure before attempting any repairs.

WARNING: WRAP SHOP TOWELS AROUND FUEL HOSE TO CATCH ANY GASOLINE SPILLAGE.

3. Disconnect fuel supply line quick connect at the fuel tube assembly.
4. Disconnect fuel injector connector and harness from injectors and fuel rail.





5. Disconnect PCV hose from manifold (Fig. 137).
6. Remove the inlet air duct from intake manifold to throttle body.





7. Remove bolt attaching lower intake manifold to support bracket (Fig. 136).
8. Remove engine oil dipstick from housing.
9. Disconnect electrical connectors from MAP sensor and MTV actuator (Fig. 137).
10. Remove bolts attaching intake manifold to cylinder head.





11. Move manifold forward for access to wiring connections (Fig. 139).





12. Disconnect the knock sensor (Fig. 138).
13. Disconnect brake booster hose (Fig. 139).
14. Remove intake manifold.

INSTALLATION - HIGH OUTPUT ENGINE
1. Clean manifold sealing surfaces.





2. If separated, install lower to upper manifold gasket and tighten bolt in sequence shown in (Fig. 140) to 12 Nm (105 inch lbs.).
3. Position new manifold gasket on cylinder head mounting surface, piloting on the 2 attaching studs.
4. Loosely position manifold in engine compartment.
5. Insert engine wiring harness between middle intake runners.
6. Connect the knock sensor (Fig. 138).
7. Connect brake booster hose (Fig. 139).





8. Position manifold to cylinder head and install fasteners. Tighten fasteners in sequence shown in (Fig. 141) to 12 Nm (105 inch lbs.).
9. Install bolt securing lower manifold to bracket (Fig. 136). Tighten bolt to 28 Nm (250 inch lbs.).
10. Connect MAP sensor and MTV actuator electrical connection (Fig. 137).
11. Install engine oil dipstick
12. Connect inlet air duct to manifold and throttle body.
13. Connect PCV hose to manifold (Fig. 137).
14. Connect fuel injector connectors and harness to fuel rail.
15. Connect fuel supply line to fuel rail.
16. Connect negative cable to battery.